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IBM System Storage DCS9900 Storage Manager Reference Guide

1. Interrupting a Rebuild Operation If you need to interrupt a rebuild operation for any reason use these functions Figure 51 e Tier Pause pauses the current rebuild operations e Tier Resume releases the paused rebuild operations e Tier Stop aborts all the current rebuild operations Right Click on TIERs Icon to Display Menu am did Convert Tier Made ae Changemap Displaymap H i 4 Disk Defect List i Disk List 4 Disk Rebuild FE Tier Config Tier Properties E i Tier Pause Unit 1 Tier Pause Unit 2 Tier Resume Unit 1 Tier Resume Unit 2 2 Tier Stop Unit 1 Tier Stop Unit 2 4 Disk Scan Unit 1 Disk Scan Unit 2 Figure 51 TIERS Menu NOTE Rebuild operations can be started either automatically or with the DISK Rebuild function IBM System Storage DCS9900 Storage Manager Reference Guide 27 Using the Management Tool 2 3 3 28 Couplet Configuration Cache Non Cache Coherent There are two primary couplet configurations cache coherent and non cache coherent Cache Coherent firmware version 2 02 and above In this configuration each unit only owns tiers This is only for disk failures and rebuilds Spare drives are owned by individual units according to tier ownership Each IBM DCS9900 can access all LUNs Each user regardless of physical connection can see all mapped LUNSs Non Cache Coherent firmware version 1 06 and above In this confi
2. Lun ooo Lun oo1 Lun 002 Lun 00S Lun 004 Lun 005S Lun 006 Lun O07 Lun 00S Lun 009S Lun O10 Lun 011 Lun 012 Lun 013 Lun 014 Lun 015 Lun 016 Z Lun 017 x biam NIS C Read only Eaj LUN List Zaj Lun 002 Clun2 ES Lun 004 Cuna 5 Lun 005 duns 5 Place Holder Cancel Figure 117 Edit Zoning Screen 3 3 To set zoning on Port 2 e Select Lun 001 from LUN List e Select Lun 000 from Port2 e Click Insert The screen is updated to show the new mapping Figure 118 e Click Apply to save it IBM System Storage DCS9900 Storage Manager Reference Guide 61 Configuration Examples Q Edit Zoning for DEMO 192 168 12 81 Read only s i Porti 43 LUN List Lun 002 lun2 Ellun 001 S El Lun 004 a EAE on 004 n4 Ex Lun 002 3 Lun 005 lun5 Lun 003 3 Place Holder Fl Lun 004 E Lun 005 E Lun 006 E Lun 007 3 Lun 008 Ex Lun 008 Es Lun 010 Ellun O11 Ex Lun 012 Es Lun 013 al Lun 014 Lun 015 il Lun 016 Fal Lun 017 i DM n n8 Figure 118 Edit Zoning Screen 4 4 Toset zoning on Port 3 e Select Lun 002 from LUN List e Select Lun 000 from Ports Click Insert The screen is updated to show the new mapping Figure 119 e Click Apply to save it Q Edit Zoning for DEMO 192 168 12 81 Read only a f Porti s LUN List Z Lun 002 tuna Ellun 001 S El Lun 004 am 3 Lun 002 3
3. 2 Select the LUN s to be deleted from the Delete LUN screen list Figure 45 Delete LUN hoose a LUN you want to delete i u i E LUN Label Owner Unit Capacity Block Size Status Serial Number Tiers Tier Add Tier list un 1 16 512 Ready osocec6ioooz 2 00000800 56 4 lnd 1 48 512 Ready O030CF7670004 6 X O00000000 123478 5 lus 1119840 512 Unformatt 030CF7460005 1 00001000 5 Figure 45 Delete LUN Screen Automatic Drive Rebuild The DCS s automatic drive failure recovery procedure that is Drive Rebuild ensure that data integrity is assured while operating in degraded mode In the event of a drive failure the system will automatically initiate a drive rebuild using a spare drive if the Autorebuild function has been enabled You may use the TIERs Properties function Figure 46 to display the current setting Right Click on TIERs Icon m os Display Menu A TIERS Convert Tier Made ae Changemap Displaymap d Disk Defect List i Disk List Disk Rebuild g i Tier Config Tier Properties af Tier Pause Unit 1 Tier Pause Unit 2 U Tier Resume Unik 1 Tier Resume Unit 2 5 Tier Stop Unit 1 Tier Stop Unit 2 4 Disk Scan Unit 1 a Disk Scan Unit 2 Figure 46 TIERs Menu IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool The Rebuild operation can take up to several hours to complete depending on
4. Add DCS CUN song Remove DES tk M Load DCS Config Colt Save DCS Config Ctri 5 NA DCSx cfg NA DCS cfg Exit Ctrl g Figure 39 DCS Load Configuration Menu 20 IBM System Storage DCS9900 Storage Manager Reference Guide 2 2 12 Version Information To obtain the version information of the Management Tool select About from the Help menu Figure 40 Using the Management Tool IBM System Storage DCS Storage Manager File Action Monitor View Download Basis z Open File Ef Save File 4 Refresh M About Ctrl B Help Topics Ctrl H Figure 40 Help Menu 2 3 LUN Management 2 3 1 Configuring the Storage Array In couplet configuration LUNs are owned by the unit on which they are created You can add and remove LUNs without affecting system operations Click on the LUN icon K to display the current LUN status Figure 41 IBM System Storage DCS Storage Manager File Action Monitor View Download Help EE Open File Save File Refresh No Refresh vw mB My Desktop Ei DCSO DEMO Uniti Unit2 EM DCS9900 1 192 168 12 81 Uniti EM DCS9900 2 192 168 12 82 Unit2 ES Luw2 dunz BS Lua duns BS LUNS uns 9 TIERS m USERS aa FAULTs 53 LUN 2 Label lun2 HSTD Owner 1 Status Ready Capacity Mbytes 16 Block Size 512 Tiers 2 Tier List 8 Tier5 Tier6 SS LUN 4 Label lund HSTD Owner 1 Status Ready Capacity Mbytes 48
5. E 3 DCSO DEMO Uniti Unit2 Firmware Version 5 01 pre 4 LE 0c59900 1 192 168 12 81 Uniti Firmware Date Oct 16 2008 15 37 56 IEEE ULA Number D005020C e mE DCS9900 2 192 168 12 82 Unit2 icd Serial Number ae ES LUNs Platform IBM DCS9900 F 3 TIERS MAC Address 00 01 ff 05 03 0c IP Address 192 168 12 81 Cache Installed Mbytes 2560 0 Cache Segment Size Kbytes 1024 m USERS Diskcode Versions Z FAULTS Channel A Chip Rev 3 0x3 Firmware Darwin t1 pre 4 Channel B Chip Rev 3 0x3 Firmware Darwin 1 01 pre 4 Channel C Chip Rev 3 0x35 Firmware Darwin 1 01 pre 4 Channel D Chip Rev i3 x35 Firmware Darwin 1 01 pre 4 Channel E Chip Rev 3 0x3 Firmware Darwin 1 01 pre 4 Channel F chip Rev 3 0x3 Firmware Darwin 1 01 pre 4 Channel G Chip Rev a 0x3 Firmware Darwin 1 01 pre 4 Channel H Chip Rev 3 0x3 Firmware Darwin 1 01 pre 4 Channel P Chip Rev 3 Ox3 Firmware Darwin 1 01 pre 4 Channel S Chip Rev 3 0x3 Firmware Darwin 1 01 pre 4 AVR Version Information 04 00203 601 T megal 52 0027 1 002 03 01 00 01 19 2008 RCM API Version 1 52_pre_3 lt Figure 13 Overview of System 2 2 2 LUN View Click on the LUN icon ES to obtain the current status of all the LUNs in the system Figure 14 The list shows the capacity owner block size and status of each LUN Ready indicates that the LUN is in go
6. Update OCS sh Date Time every 8 hrs w update Doss Date Time when system starts Figure 36 Date Time Screen 2 2 10 Saving the Configuration You may save the IP addresses of all the units that have been added to the Management Tool This allows you to reload your network configuration easily without having to manually add units every time you restart the Management Tool The network that you accessed last will be loaded when you restart the Management Tool 1 Select the Save DCS Config function from the File menu Figure 37 2 Select the destination folder and enter a file name By default the data is saved in the Gui DCS_gui config folder with a cfg file extension Figure 38 Action Monitor View Download Help Add DCS COHN Lo Remove DCS k Load BCS Config cur 2 Save DCS Config Ctri 5 NA DCSx cfg NADCS cfq Exit Ctrl g l Figure 37 Save Configuration Menu IBM System Storage DCS9900 Storage Manager Reference Guide 19 Using the Management Tool wen TEE E DCS cfg ind DCSGUL property Recent 52 DCSx cfig Desktop My Documents ieg File name iCSx cfg My Network Places Files of type All Files Figure 38 Saving a Configuration 2 2 11 Loading a Configuration A previously saved DCS configuration can be loaded 1 Select File gt Load DCS Config from the menu Figure 39 2 Select the configuration to be loaded Action Monitor View Download Help
7. A DEF ABCDE DEF BC 1119856 1119848 AB DEF ABCDE AB DEF CN 1119856 8 AB DEF ABCDE 4B DEF CN 1119856 1119848 4B DEF ABCDE AB DEF CN 1119856 1119848 B DEF ABCDE AB DEF CN 1119856 1119848 ABCDE ABCDE ABCDE Not Ava Not Ava Not Ava Not Ava Not Ava Not Ava Not Ava Not Ava Not Ava Net Ava Not Ava Not Ava BiB HH RRR Z2 2 2 2 2 2 2 2 Z2 2 2 2 2 2 2 2 ot Ava Not Ava Not Ava Not Ava Not Ava Not Ava Figure 19 Tier Configuration Screen Disk Information To obtain detailed information of a disk click on the corresponding tier icon amp Figure 20 or the individual disk icon o IBM System Storage DCS9900 Storage Manager Reference Guide Lo IBM System Storage DCS Storage Manager File Action Monitor View Download Help g Open File Save File Refresh No Refresh v e WEM DCS9900 1 192 168 12 81 uniti ish EN DCS9900 2 192 168 12 82 Unit e BY Luns ES Lune una ES LUN una BY LUNS uns E Ka TIERS Disk 14 Disk 1B Disk 1C Disk 1D Disk 1E Disk 1F Disk 1G Disk 1H Disk 1P Disk 1S ps amp s DISK 1A Check Condition Log PLS Unit 1 PLS Unit2 Defect List Status Missing Capacity Mbytes 140272 Block Size 512 Write Cache Disabled AL P 00 Vendor ID FUJITSU Product ID MAX
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9. 1 3 Click Yes to proceed A message is displayed when the user has been deleted Figure 82 Figure 81 Delete User Screen 2 IBM System Storage DCS9900 Storage Manager Reference Guide 43 Using the Management Tool 4 Click OK Fma i User 210000E08B057183 has been deleted Figure 82 Delete User Screen 3 Editing Information of an Existing User To edit a user s information 1 Select Edit USER from the USERs menu Figure 77 2 At the Edit User screen Figure 83 select the user from the USER box 3 Enter the new information and or new mapping s 4 Click OK to save the new settings Edit USER USERA User 02 USER2 User 03 LISER3 User 04 4a World Wide Mame 64 bits a 0000E0B051383 Alias up to 12 chars user 04 fone the Host Porte Mo Active Ports for HSTDA e a 1 2 3X Active Ports for HSTD2 e g 1 2 3X Unigue LUN Mapping ves E Internal LUN USER Os Cancel Figure 83 Edit User Screen Editing LUN Mapping of an Existing User To edit a user s LUN mapping 1 Select Edit USER LUN Mapping from the USERs menu Figure 77 2 At the User LUN Mapping screen Figure 84 double click on the user to be edited 44 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool User Lun Mapping File rz E Ti Remove All Read only Insert Perna USER List z i i fff USER ofLiser 01 Ea Lun 000 i Ff US
10. 2 9 2 Automatic Drive Rebuild 2 c 00046 cece ee reverse ns 24 2 3 3 Couplet Configuration Cache Non Cache Coherent 28 2 4 Performance Management 0 0 00 eee e eee eere 30 2 4 1 Optimization of I O Request Patterns 005 30 2 4 2 System Performance Statistics 0 0 000 ccc cence ees 33 2 4 3 Resources Allocation 0 e 34 2 5 Security Administration 0 0 0 0 eee ees 37 2 5 1 Host FOr ZOLDITIS i22 antes Renee Gees RS 38 2 5 2 User Authentication 46 55 4424 b RE e E EET RE Ox REPRE RI 41 2 6 Momit rme the Syste ss rerien oui ep x RE eaaa s 45 2 6 1 Email NoUftCatiOh iiiv v br Rx YO b ERR EE Cope ERES 46 2 6 2 Message E095 c2 ceste bii ea Sd esutobiad eb ate Eo a us cde x eu vag 47 2 6 3 Displaying Configuration Data 0 0c cece eee 48 2 6 4 System and Drive Enclosure Faults 0005 49 2 6 5 Dial CC Statisties o oor oho cas aide monet aded iaa dE E 50 2 6 6 Disk ConditlobrLDO9 o5 vedo Sube ws oae ek SE Pss 51 aed Download Firmwares 2245s ves edd ede VI EDRLAU SERE ER EIE ES es 52 3 Configuration Examples s ereere 53 9 1 EUN CREAN 34 d atletas ER epat md ate ro ehe pedi Edo oa woes 53 3 2 Cache Configuration 2n gie CACERES TERCER Sees Rae ea oe 57 9 9 Host Port Zoning and Adding USers 0 0 00 eee ee eee 60 9 9 1 HOSE POL ZOIIS eresze rtre Pu deat ar beso pisos news adus 60 3 3 2 Adde USCIS sc c
11. Best Management Practices for Perchlorate Materials This product part or both may include a lithium manganese dioxide battery which contains a perchlorate substance Taiwan contact information 85 IBM System Storage IBM Taiwan Product Service Contact IBM Taiwan Corporation 3 4F No 7 Song Ren Rd Taipei Taiwan Tel 0800 016 888 A IBM f rin lb 55 fet 73 zv EE BABS PY OR Dite Ie 13 PR FH EJERCER ii 0800 016 888 ll DCS9900 Storage Manager Reference Guide Readers Comments We d Like to Hear from You IBM System Storage DCS9900 Storage Manager Reference Guide Publication No GA32 0615 00 We appreciate your comments about this publication Please comment on specific errors or omissions accuracy organization subject matter or completeness of this book The comments you send should pertain to only the information in this manual or product and the way in which the information is presented For technical questions and information about products and prices please contact your IBM branch office your IBM business partner or your authorized remarketer When you send comments to IBM you grant IBM a nonexclusive right to use or distribute your comments in any way it believes appropriate without incurring any obligation to you IBM or any other organizations will only use the personal information that you supply to contact you about the issues that you state on this form Comments Thank you for your support
12. m Download Help p OCS Configuration Data Ctl Log Check Condition Log Disk Detect List Stats System Uptime Ctrl Ctr Kk Ctrl J Ctr T Col u Fil Figure 95 View Menu Check Condition Log for DEMO 192 Check Condition Log DCSOMEMO 192 168 12 81 OQ DCSD DEMO 192 168 12 82 Q ES Figure 96 Check Condition Log Screen 1 168 12 81 Date Time Jul 3 11 47 09 Disk 14 Serial Number DOOOP6COOLMY Sense Key 6 Unit Attention ASC ASCQ 2902 SCSI Bus FRU oo INFO 00000000 Sense oooo00 Jul 3 11 55 03 14 DODOPS6COOLMY 6 Unit Attention 2902 SCSI Bus oo 00000000 000000 Jul 3 12 05 02 24 3kKN2MSM2 6 Unit Attention 2902 SCSI Bus D2 RESET 02 00000000 000000 Jul 3 12 31 25 24 3kKN2MSM2 6 Unit Attention 2902 SCSI Bus D2 RESET 02 00000000 000000 Jul 3 13 18 50 2 3KN2MSM2 6 Unit Attention 2902 SCSI Bus IB2 RESET 02 00000000 000000 Jul 3 15 15 11 14 DODOP6COOLMY 6 Unit Attention 2902 SCSI Bus oo 00000000 000000 Jul 3 15 18 14 14 DODOP6COOLMY 6 Unit Attention 2902 SCSI Bus oo o0000000 000000 Jul 3 15 56 58 14 DQOOPSCOOLMY 6 Unit Attention 2902 SCSI Bus 00 o0000000 000000 Jul 3 16 00 10 14 DOQOOP6CODLMY
13. oss SNMP Enabled SNMP Trap IP Address nono Syslog Disabled Syslog IP Address 0 0 0 0 TRE Syslog Port 514 Limited SMMP trap OFF Cancel Figure 30 Network Properties Screen If the unit is coupled with a second unit and set up for dual mode both units in the system will share the same syslog destination IP address but each unit can specify a different destination port Valid Syslog_port values are 0 to 32768 Note however that the results may be unpredictable if the port number chosen is already in use on this unit by either the TELNET or GUI facilities Default port number is 514 To ping the specified destination with a single packet 1 Select the Network Ping function Figure 31 2 Enter the IP address and click OK A message will be displayed if a reply is received Figure 31 Network Ping E x Ping f 72 16 02 Cancel reply received from 172 16 0 2 Figure 31 Network Ping Screen Please refer to the IBM System Storage DCS9900 Installation Service and User Guide for information on how to set up Telnet and SNMP functionality on your host computer 16 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool 2 2 8 Restarting Shutting Down the IBM DCS9900 System Restart To restart a unit 1 Select the Restart DCS function from the Action menu Figure 32 ma Monitor View Downlo Restart DCS C
14. zi Lun 004 Lun 005 5 Lun 006 Lun 007 Lun 008 Lun 009 Lun 010 zi Lun 011 5 Lun 012 zi Lun 013 zi Lun 014 21 Lun 015 21 Lun 016 21 Lun 017 w Liin 018 Read only 3 LUN List 5 un 004 lun4 x Lun 005 lun5 w Place Holder Figure 74 Edit Zoning Screen 3 After you have created all the mappings for one port click Apply to save them Click OK to close the window when you have completed mappings for all ports Read Only Option To enable the read only option after a mapping is created 1 Select the mapping 2 Check the Read only option box 3 Click Insert Remove a Mapping To remove a mapping select the mapping to be removed and click Remove To remove all mappings on one port select the port and click Remove All Figure 75 Q Edit Zoning for DEMO 192 168 12 81 ER Porti Ex Lun 000 Lun 001 E Lun 002 Es Lun 003 Ex Lun 004 3 Lun 005 Bi Lun 006 3 Lun 007 Lun 008 Ex Lun 009 E Lun 010 ExXLun O11 Sl Lun 012 EX Lun 013 Ex Lun 014 BS Lun 015 Fal Lun 016 Bl Lun 017 H Fallin nig Read only Ex LUN List H Lun 002 lun2 H Lun 004 lun4 3 Lun 005 lun5 w Place Holder Figure 75 Edit Zoning Screen 4 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool 2 5 2 User Authentication This second level of protection provides supe
15. EE S EE DCS9900 1 192 168 12 81 Unit amp WEN DCS9900 2 192 168 12 82 Unit2 o ee LuNs H riens P3 nne nes fas Iss We Qon om By isi EE Figure 91 Example System Faults Screen 1 2 6 4 System and Drive Enclosure Faults Click on the FAULTS icon to display a list of all current disk system and drive enclosure faults or failures Figures 91 and 92 OX IBM System Storage DCS Storage Manager Ele Action Monitor View Download Help zr Open File Save File A Refresh No Refresh Bl wy Desktop DCS 9900 2 192 168 12 82 E DCSO DEMO Unit1 Unit2 EE DCS9900 1 192 168 12 81 unit1 E ZONING amp EE DCS9900 2 192 168 12 82 Unit2 amp EM LuNs S TIERS mg USERs Unit s failed or offline Unable to retrieve SES info Uniti no bus parity error recorded Unit2 no bus parity error recorded Uniti no memory error recorded Unit2 no memory error recorded Figure 92 Example System Faults Screen 2 49 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool 2 6 5 Dual CC Statistics To display the dual CC statistics select CCSTATS from the individual unit menu Figure 93 The Dual CCStats screen displays the current readings Figure 94 Right Click on Individual DCS Icon to Display Menu md eee NN Kia NR Fm NE KR NR m0 Ji 7 Ad ministrative Comm a
16. LUN creating file systems volumes and so on that you would use to access a standard disk drive Each LUN has several properties e LUN number This is a number from 0 to 119 for up to 120 LUNs in total assigned to the LUN when you create the LUN It is an internal number that is seen by the IBM DCS9900 e Capacity Each LUN has a fixed amount of space The capacity is set when you create the LUN e Number of tiers LUNs can be created on one or more tiers The number of tiers is determined when you create the logical unit e Tier selection LUN can be created on any tier s and can be specified when you create the logical unit e Dlock size e LUN label can contain up to 12 characters LRC Loop Resiliency Circuit Circuits within the I O modules which provide loop resiliency in the event of a drive failing or being unplugged LUN Logical Unit or Logical Unit Number See Logical Unit Parity Parity is additional information stored along with the data that allows the IBM DCS9900 to reconstruct lost data RAID Redundant Array of Independent Drives Rebuild Rebuild is the process of using data and parity on all operational drives within a tier to regenerate the data on a replacement drive or a hot spare drive Rebuild occurs when you replace a failed drive in a degraded logical unit a degraded logical unit has suffered a drive failure but is still operable The rate of rebuild is determined by the TIER DELAY setting The sett
17. Link Error Status Blocks Link Sync Signal PSPE ITA CRC Frit Fi Rec Falnit e c gcoucsccccuoucst FaRec Figure 22 Disk RLS Log Screen Defect List Click on Defect List to display the defect information of that disk Figure 23 Figure 23 Disk Defect List Screen Disk Scan The DISK Scan function Figure 24 will check each disk channel in the system for any new disks and verify that the existing disks are in the correct location This will also start a rebuild operation on any failed disks that pass the disk diagnostics 12 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Right Click on TERS TR Icon TIERS to Display Menu Convert Tier Mode aati Td Changemap Displaymap 4 Disk Defect List Disk List 4 Disk Rebuild a Tier Canfig Tier Properties ia Tier Pause Unit 1 Tier Pause Unit 2 ia Tier Resume Unit 1 Tier Resume Unit 23 4 Tier Stop Unit 1 Tier Stop Unit 2 3 Disk Scan Unit 1 m Disk Scan Unit 2 Figure 24 TIERs Menu 2 2 5 Tier Mapping for Enclosures The IBM DCS9900 system supports various drive enclosures When the system is first configured it is necessary to select a tier mapping mode so that the position of the tiers in the system are changed to conform with the layout of your drive enclosures The tier map information also allows the system to properly light the enclosure s fault LEDs If your drive enclosures
18. Performance Management LUN Management Security Administration and Firmware Update Management This chapter describes the features and functions of the Management Tool Configuration examples are given in Chapter 3 2 1 Getting Started 2 1 1 Initial Login 1 Launch the Management Tool 2 The Management Tool Start Up screen appears Figure 3 For initial set up of the Management Tool you will need to add units see Section 2 1 2 before you can access the system IBM System Storage DCS Storage Manager BE mj File Acton Monitor View Download Help No unit in network Figure 3 Start Up Screen NOTE The Management Tool has an online HELP system To access HELP at any time select Help Topics from the Help menu Figure 4 The Help system is intuitive with Table of Contents Index and Search options IBM System Storage DCS9900 Storage Manager Reference Guide 3 Using the Management Tool IBM System Storage DCS Storage Manager Fie Action Monitor View Download E5 t Open File Bf Save File A Refresh N About ctrl E Help Topics COl H Figure 4 HELP Topics Menu 2 1 2 Adding Units 1 From the File menu Figure 5 select Add DCS Acton Monitor View Add cs Ctrl M Remove DCS CHR Load DCS Config Ctri L Save DCS Config Ctrl 5 Exit cm Figure 5 File Menu 2 At the Add DCS screen Figure 6 enter the information Dual Mode If you have dual units select YES Enter
19. Storage Appliance Manager E E x File Action Monitor wiew Download Help EJ t Refresh F minutes AVR Version Informat on vy Computer ee E S240 S24 System B pos S24 1 L ZONING REI AP varsien i EE S2A 2 145 pre 3 Eg uns Port Goodi 32A i2 00001832911 408 ur M TERS Port2 Good 215 i2 0101892211405 i Dum Port3 Good x1B 2101001632210705 aa FAULTS Porta Good x2B 2100001632010705 Figure 121 User Connections Screen 2 To add a user select Add USER from the USERs menu Figure 122 Right Click on USERs Icon Add USER to Display Menu Delete USER FAULTS Edt USER Edit USER LUN mapping USER List Figure 122 USERs Menu 3 At the Add USER screen enter the settings for User 01 Figure 123 e World Wide Name 210000E08B057183 e Alias User 01 e Zone the Host Ports No e Unique LUN Mapping Yes e Click on 0 in the External LUN column Type 000 and press Enter e Click OK to save new settings 64 IBM System Storage DCS9900 Storage Manager Reference Guide Add USER for Demo 192 166 2 36 192 1 X Check current login users Unit 1 Unit 2 World Wide Mame 64 bits 21 0DDEUGBOS 7133 Alias up to 12 chars zone the Host Ports Active Ports For Uniti e gf1 2 3 Active Ports For Unite e g 1 2 3 Unique LUN Mapping External LUN Figure 123 Add User Screen 1 Configuration Examples 4 To add User 02 s
20. System Storage DCS9900 Storage Manager Reference Guide HSTD Owner 1 Status Unformatted Capacity bytes 56 Block Size 512 Tiers 1 HSTD Owner 1 Status Unformatted Capacity Mbytes 1119792 Block Size 512 Tiers 1 Pause Resume Stop E 3 LUN format Complete 24 LUN format Complete 24 LUN format Complete 34 LUN format Complete Figure 109 LUN Format Progress Monitor Screen 2 10 Upon completion the LUN status will change to Ready Figure 110 11 To format LUN 1 and LUN 2 repeat Step 9 above IBM System Storage DCS Storage Manager File Action Monitor View Download Help f Open File Save File 4 Refresh No Refresh Ex LUN 0 Label HSTD Owner 1 Status Ready Capacity Mbytes 56 Block Size 512 Tiers 1 E DCSO DEMO Unit1 Unit2 Tier List B Tier1 EM DCS9900 1 192 168 12 81 Unit1 m My Desktop ES LUN 1 Label HSTD Owner 1 Status Unformatted Capacity Mbytes 1119792 Block Size 512 Tiers 1 amp EM DCS9900 2 192 168 12 82 Unit2 Tier List Tier1 3 TIERS M ZONING H LUN 2 Label lun2 HSTD Owner 1 Status Ready Capacity Mbytes 16 Block Size 512 Tiers 2 fa USERs Tier List 8 Tier5 8 Tier6 3 FAULTS HJ LUN 4 Label lund HSTD Owner 1 Status Ready Capacity Mbytes 48 Block Size 512 Tiers 6 Tier List 8 Tier1 Tier2 8 Tier3 Tier4 Tier Tiers E LUN 5 Label lun5 HSTD Owner 1 Status Unformatted Cap
21. configuration data 1 Select DCS Configuration Data from the View Menu The Configuration Data screen Figure 90 will be displayed 2 Access the log screen by selecting View gt Log at the main screen 3 Select the unit whose configuration data you want displayed To save configuration data 1 Select Save As from the File menu 2 Enter the path and file name for the configuration file you are saving 3 Click Save Configuration Data 192 168 11 30 baltimore 132 168 19 16 baltimore Configuration Data for Unit 192 168 11 30 Firmware Version 3 11 pre 5 Firmware Date Mov 30 2007 11 37 45 IEEE ULA Number MWiROOZ6G Platform 9550 Mac ddress 00 01 ff 043 0a dz IP Address 192 165 11 30 Cache Installed Mbytes 2560 0 Cache Segment Size Kbytes 2046 Channel Oxy Chip Rev Firmware Inferno 3 31 pre 5 Channel B Oxy Chip Rev Firmware Inferno 3 31 pre 5 Ox Chip Rev Firmware Inferno 3 31 pre 5 Ox Chip Rev Firmware Inferno 3 31 pre 5 Ox Chip Rev Firmware Inferno 3 31 pre 5 Ox Chip Rev Firmware Inferno 3 31 pre 5 lili Figure 90 Configuration Data Screen 48 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool IBM System Storage DCS Storage Manager File Action Monitor View Download Help f Open File Save File 4 Refresh No Refresh Bl wy Desktop DCS 9900 1 192 168 12 81 E DCSO DEMO Unit1 Unit2 j
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23. instructions and enter the information required NOTE You caninstall the Management Tool on Linux with Java bundled if Java 1 4 is not running on your system without Java bundled if Java 1 4 X has been previously installed 4 The progress of your installation will be displayed Upon completion the Install Complete screen will appear Click Done to close the Installer window The Management Tool is ready Please refer to the procedures given in Section 2 1 for initial set up information Configuration Enabling the API Server 1 Login as admin on the system 2 Enter command NETWORK 3 Check that the API Server is enabled If not enter the command NETWORK API SERVER ON 4 Enterthe RESTART command to restart the unit for the changes to take effect Configuring Access Passwords The default password for the administrative and general purpose users is password Only users with administrator rights are allowed to change the configuration It is recommended that you change the administrator password 1 Login as admin on the system 2 Enter command password 3 Enter and confirm the new password at the prompt IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool 2 Using the Management Tool The IBM DCS9900 provides a set of management tools that enable administrators to centrally manage storage and network resources These tools include Configuration Management
24. settings in the Add USER screen Figure 126 Add USER E x World Wide Mame B4 bits T OOOOEOSBOS1 3 Alias up ta 12 chars user 4 Zone the Host Ports No M Active Ports for HSTD1 e a 1 2 3X Active Ports for HSTD2 e g 1 2 3X Unique LUN Mapping ves T OR Cancel Figure 126 Add User Screen 4 e World Wide Name 210000E08B051383 e Alias User 04 e Zone the Host Ports No e Unique LUN Mapping Yes e Click on 0 in the External LUN column Type R000 and press lt Enter gt Type R001 and press lt Enter gt Type R002 and press Enter Click OK to save new settings 66 IBM System Storage DCS9900 Storage Manager Reference Guide Configuration Examples 7 The User Connections list is updated Figure 127 IBA System Starage DCE Storage Manager Bm X File Action Monitor View Download Help t Refresh p minutes w A R Version Information O 001 75 102 i SSO DEMO dili AJ ie A megal6 Oc ER csa 9216312 0 rie 3 5384MH2 i 02 00 07 et aie E EL 10 14 2005 poe Wad I E 1 1 4 17 Hz prp EMEN i 1 43 prs 3 m Forti Gand mg Y Jkon x2 2100001B832011435 B MES ERG m Port nod fi Y Akon x1 C2101001B832211435 m _SERS Ports 00d FA Y Akon x1B t 101001B3ce 107705 A za AULT3 Port4 Good tm Y Akon x2B 2100CO183201D705 Figure 127 Updated User Connections Screen 8 Clicking on the USERs icon will also display the list of curr
25. systems management director extensions actengmrg html Product recycling and disposal This unit must be recycled or discarded according to applicable local and national regulations IBM encourages owners of information technology IT equipment to responsibly recycle their equipment when it is no longer needed IBM offers a variety of product return programs and services in several countries to assist equipment owners in recycling their IT products Information on IBM product recycling offerings can be found on IBM s Internet sites at http www ibm com ibm recycle us index shtml and http www ibm com ibm environment products index shtml Esta unidad debe reciclarse o desecharse de acuerdo con lo establecido en la normativa nacional o local aplicable IBM recomienda a los propietarios de equipos de tecnolog a de la informacion TI que reciclen responsablemente sus equipos cuando stos ya no les sean utiles IBM dispone de una serie de programas y servicios de devolucion de productos en varios pa ses a fin de ayudar a los propietarios de equipos a reciclar sus productos de Tl Se puede encontrar Notices 82 oroductos de IBM en el sitios web de y http www ibm com ibm informacion sobre las ofertas de reciclado de IBM http www ibm com ibm recycle us index shtml environment products index shtm Notice This mark applies only to countries within the European Union EU and Norway Appliances are labell
26. the size of the disk and rate of rebuild The speed of the rebuild operation can be adjusted with the Delay and Extent parameters Figure 47 See Section 2 4 3 on page 34 for information on how to optimize the rate of rebuild to match your user load TIER Properties Auto Rebuild This parameter enables and disables the automatic disk rebuild when a Failed disk is replaced by a new disk AUTO REBUILD Extent This parameter sets the system rebuild extent in Mbytes EXTENT 1 128Mb 128 Delay This parameter sets the system rebuild delay in Deciseconds DELAY 0 100005 o SMART Rebuild This parameter enables and disables an automatic disk replace when a disk indicates a SMART event has triggered 4 disk will only be replaced by a spare disk if it SMART trips AUTO REBUILD is ON and SMART REBUILD is on SMART REBUILD Changing the TIER Extent Delay will change the DISK rebuild rate Figure 47 Tier Properties Screen A disk will only be replaced by a spare disk if it fails and Autorebuild is ON the default setting This function should always be enabled so that data can be reconstructed on the spare drive when a drive failure occurs After the failed drive is replaced data will be automatically copied from the spare drive to the replacement drive see Section 4 1 on page 69 for further information on drive failure recovery Manual Drive Rebuild To initiate a rebuild on a specific drive 1 Select the DISK Rebu
27. x26 Ex Lun ni S Lunai Londo 4 Lunoos Figure 76 USERs Current Settings IBM System Storage DCS9900 Storage Manager Reference Guide 41 Using the Management Tool Displaying List of Users and Information The USER List function Figure 77 will display the detailed user information Figure 78 Each user is identified by its 64 bit World Wide Name and is given a unique user ID number The Ports column indicates the host ports on each unit to which the user is allowed to login The LUN Zoning column indicates which internal LUNs the user will have access to with read only and read write privileges and where the internal LUN will appear to the user t Add USER Right Click on Delete USER M USERs Icon sa FAULTs Edt USER to Display Menu Edit USER LUN mapping USER List Figure 77 USERs Menu Ix USER LIST Alias world Vide Mame Ports 7 2 LUM Zoning External LUM Internal LUNJ 0 User 04 210000ED8B057183 1 1234 000 000 1 User 2 z10000ED8BDg9414 1 31234 Q0D00D 2 User 3 Z210000EDSEO51583 1 1234 Q000002 3 LUser 4 2100006066051363 12341234 ono000 001 001 no2002 Figure 78 User List Screen Adding a New User To add a new user to the unit and define its right of access 1 Select Add USER from the USERs menu Figure 77 2 Atthe Add User screen Figure 79 Enter the user s World Wi
28. your selected management machine Please see your local network administrator to resolve this network issue e To check the connection across networks to your IBM DCS9900 perform a ping From the command prompt on your management machine attempt to ping the unit to which you want to connect for example ping 192 168 0 x The reply you get from the ping test will give you an idea if your management machine can see the unit that you want to manage If your ping test fails and your cabling and IP address is correct then see your local system administrator to resolve this issue IBM System Storage DCS9900 Storage Manager Reference Guide Glossary A Glossary AL_PA Arbitrated Loop Physical Address Each Fibre Channel Arbitrated Loop can accommodate up to 126 devices Every device on the loop must have a unique AL_PA The IBM DCS9900 uses an address value of 1 Cache Cache memory is memory on the IBM DCS9900 used for intermediate storage of read and write data By Memory using cache you can increase system performance because the data for a read from the host may already be in the cache from a previous operation thus eliminating the need to access the drive itself and a write operation is completed once it is written to the cache rather than to the drives When you create a logical unit you can specify various caching parameters for the LUNs If you need to change any caching parameters after LUN creation use the CACHE comman
29. 0000000 Sense 000000 Jul 23 11 DOOOP6COO 2 Mot Ready 0411 00000000 000000 Jul 23 11 DOOOPSCOO 2 Not Ready 0411 Booooooo0a 000000 Jul 23 DOOOP6COO 2 Mot Ready 0411 00000000 000000 Jul 23 DOQOOPOCOQO 2 Mot Ready 0411 Dooo000000 000000 Jul 23 DOOOPSCOO 2 Mot Ready 0401 Logic 00000000 000000 Jul 23 DOOOPOCOO 2 Mot Ready 0401 ogic oo0000000 000000 Jul 23 DOOOPSCOO 2 Mot Ready 0401 Logic 00000000 000000 Jul 23 DOOOP6COO 2 Mot Ready 0401 Logic 00000000 000000 Jul 23 DOOOPSCOO 2 Mot Ready 0401 Logic 00000000 000000 Jul 23 DOOOPSCOO 2 Not Ready 0401 Logic oo0000000 000000 Jul 23 DOOOP6COO 2 Mot Ready 0401 Logic ooo000000 000000 Jul 23 DODOPOCDO 2 Mot Ready 0401 Logic oo0000000 000000 Jul 23 DOOOPSCOO 2 Mot Ready 0401 Logic 00000000 000000 Jul 23 11 RLS Click on RLS to display the RLS information of that disk Figure 22 IBM System Storage DCS9900 Storage Manager Reference Guide JpooorPecoo 2 Mot Ready DO401 0 oaic Qooo00000 Figure 21 Disk Check Condition Log Screen nOo0000 11 Using the Management Tool Disk 1A RLS EE xj Disk 14
30. 2012 Enclosure 1x12 SF 4012 Enclosure 2x6 SF 2016 Enclosure 1x16 SF 4016 Enclosure 2x8 Cancel Figure 27 Tier Mapping Mode Setup Screen 14 IBM System Storage DCS9900 Storage Manager Reference Guide 2 2 6 2 2 7 Using the Management Tool 3 Select Restart DCS Figure 28 from the Action Menu for the changes to take effect ma Monitor View Downlo Restart DOS cCirl e Shutdown DCS Alt Shift x Date Time Ctrl D Figure 28 Action Menu NOTE The Changemap function should only be used when the system is first configured Changing the mapping mode will alter all the tier information making LUN information inaccessible Adding Removing Storage Assets The IBM DCS9900 supports up to 120 tiers As your storage demand grows new tiers can be added without affecting system operations After you have installed the disks for a new tier use the DISK Scan function See page 12 to check each disk channel in the system for any new disks New tiers are automatically added to the system when the disks are detected A tier will automatically be deleted if it is not in use by any of the LUNs and all of the disks in the tier are removed or moved to another location System Network Configuration Telnet amp SNMP The Network Properties function Figure 29 will display the current network settings of the unit of which you are inquiring Figure 30 You may change the settings at this screen The system must be restarted before th
31. 3147RC Product Rev 0104 Serial Number DOOOPSCODLR2 Global ID 5000OOEO13ACDDF3 o DISK 1B Check Condition Log PLS Unit 1 PLS Unit2 Defect List Status Missing Capacity Mbytes 140272 Block Size 512 write Cache Disabled AL P 00 Vendor ID FUJITSU Product ID MAX3147RC Product Rev 0104 Serial Number DOOOP6COOLR1 Global ID 500000EO13ACDDD3 o DISK 1C Check Condition Log PLS Unit 1 PLS Unit2 Defect List Status Missing Capacity Mbytes 140014 Block Size 512 write Cache Disabled AL P 00 Vendor ID SEAGATE Product ID ST3146854SS Product Rev 0003 Serial Number 3KN2MRSH Global ID 5000 C500000FCDO6 y DISK 1D Check Condition Log PLS Unit 1 PLS Unit2 Defect List Status Missing Capacity Mbytes 140014 Block Size 512 write Cache Disabled AL P 00 Vendor ID SEAGATE Product ID ST3146854SS Product Rev 0003 Serial Number 3KN2N20S Global ID SOOOCSOOO00FE942 y DISK 1E Check Condition Log PLS Unit 1 PLS Unit2 Defect List Status Missing Capacity Mbytes 140014 Block Size 512 write Cache Disabled AL P 00 Vendor ID SEAGATE Product ID ST3146854SS Figure 20 Disk Status Screen 1 Check Condition Log Using the Management Tool Clicking on Check Condition Log will bring up the condition log of that disk Figure 21 Disk DQOOP6COOLR2 Check Condition Log Date Time Jul 3 16 09 Serial Nu DOOOP6COO Sense Key ASC ASCO 6 Unit Attenti P202 SCSI INFO 0
32. Block Size 512 Tiers 6 Tier List 3 Tieri 3 Tier2 SJ Tier3 S Tiera 3 Tier Tiers Hj LUN 5 Label lun5 HSTD Owner 1 Status Unformatted Capacity Mbytes 1119840 Block Size 512 Tiers 1 Tier List 8 TierS Figure 41 LUN Status Screen Creating and Formatting a LUN To adda LUN 1 Select Add LUN from the LUNs menu Figure 42 2 Enter all the required information at the Add LUN screen Figure 43 3 Click OK to create LUN IBM System Storage DCS9900 Storage Manager Reference Guide 21 Using the Management Tool A LUN creation example is provided in Section 9 1 on page 53 Right Click on LUNs Icon to Display Menu Adjust v Settings Adjust Cache Settings Change LUM Label Fay Format LUN Verify LUN Delete LUN LUN Properties View AV View Cache Settings View LUM Config View LUN Verify Figure 42 LUNs Menu Add LUN LUN Owner LUN Id o 127 v Configured LUN List LUM Labeliup to 16 characters Create a LUN Group Number of LUNS in grauptz 64 LUN Capacibytin Mbytes Enter Oto request all available capacity Number of Tiers For LUN 1 8 1 w Available TIER List Tiers For LUN e g 1 2 3 LUN Block Size Cancel Figure 43 Add LUN Screen 22 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool LUN Format for DEMO Choose LUNs you want to format Al LUN lun23 1 E LUNA lund 1 U
33. C50 DEMO DCSOSOO 192 168 142 847 DCcsogsnDD z 192 158 12 82 Cache Coherency OFF Figure 9 Main Screen Displaying Available Functions 2 1 3 Removing Units 1 To remove any existing units from the Management Tool select Remove DCS from the File menu Figure 10 Acton Monitor View Add cs Ctrl M Remove DCS CHR Load DCS Config Ctri L Save DCS Config Ctrl 5 Exit Ctrl Q Figure 10 File Menu 2 Select the unit that you want to remove from the list and click OK Figure 11 Remove DCS x haose DSS vau want to remove DCSO DEMO 182 168 12 81 192 158 12 82 Uniti Unite Figure 11 Remove Units Screen 1 3 You will be asked to confirm Figure 12 6 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Remove DCS Figure 12 Remove Units Screen 2 2 2 Configuration Management The IBM DCS9900 provides uniform configuration management across heterogeneous SAN The status of host ports and storage assets are continually monitored 2 2 1 System Overview Clicking on the individual unit icon will display an overview of the system Figure 13 The screen displays the list of LUNs and tiers on the system the hardware information and the host port status with user connection information IBM System Storage DCS Storage Manager File Action Monitor View Download Help G Open File Save File A Refresh No Refresh m My Desktop 3 LUNs 8 TIERS
34. Configured LUN List LUN Labelfupto12 characters elume 3 Create a LUN Group jo Mumber of LUNS in groupr2 647 LUM Capacityrin Mbytes Enter Oto request all available capacity Mumber of Tiers for LUM T 125 Y Available TIER List Tiers for LUN e g 1 2 3X LUM Block Size Cancel Figure 106 Add LUN Screen for LUN 2 Click OK The main screen is updated to show LUN 2 Figure 107 BM System Storage DCS Storage Manager File Action Monitor view Download Help m My Desktop E LUN 0 Label E 1 DCSO DEMO Uniti Unit2 EE DCS9900 1 192 168 12 81 Unit1 Ex3 LUN 1 Ei ZONING Label Tier List 8 Tier1 H Ew DCSs900 2 192 168 12 82 Unite Tier List Tier1 eS LUN 2 H S TIERS ERA M 3 Label lun2 HSTD Owner 1 Status Ready Capacity bytes 16 Block Size 512 Tiers 2 ma USERS Tier List Tier5 3 Tiere zs FAULTS Figure 107 Screen Updated to Show New LUN 2 The next step is to format all the LUNs Select Format LUN from the LUNs menu At the LUN Format Progress Monitor screen Figure 108 select LUN 0 and click Start The screen will display the current percentage of completion Figure 109 LUN Format Progress Monitor for Demo Choose LUN S vou want bo Format Unit 1 Resume All Unit 1 Stop All Unit 2 Pause All Not Available Unit 2 Resume All tart Format Unit 2 Stop All Figure 108 LUN Format Progress Monitor Screen 1 IBM
35. ER 4 Liser 02 ES Lun 001 il Ff USER 2 Liser 03 Ea Lun 002 m f USER User 04 Fl Place Holder OK Apply Cancel Figure 84 Edit User LUN Mapping Screen 1 3 The current mapping is displayed Figure 85 You may remove existing mappings or create new mappings User Lun Mapping E 1 0 x File E En Remove All Read only Insert Fremimnar Elf user oruser 01 al Lun ooo EF Ex Lun 000 Read only ES Lun 000 l kuno EF Lun 001 Ea Lun o a Lun oo SP Es Lun ooz Lun 002 Lun ogs i Wa Place Holder OK Apply Cancel Figure 85 Edit User LUN Mapping Screen 2 4 Click Apply to save the new settings for that user 5 Click OK when you are finished 2 6 Monitoring the System The System is equipped with an email notification alert feature to alert you in the event your system experiences difficulties To configure the email alert feature select Email Alerts from the Monitor menu Figure 86 File Action Bre View Download Help tar Open File Email Alerts CtrhM 1 No RefrE Figure 86 Monitor Menu IBM System Storage DCS9900 Storage Manager Reference Guide 45 Using the Management Tool 2 6 1 46 Email Notification At the Email Alerts screen Figure 87 enter the following Email Server Thename orIP address of yourlocalemailserver Notification Sender Your email address or the email address of the system administrator Outgoing se
36. Fe LE Adjust Cache Settings Change LUN Label gs LI Format LUN Verify LUN ES LL Delete LUN VS LUN Properties View Av a trp View Cache Settings view LUN Config View LUN Verify mci Figure 15 LUN Menu 8 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool SE LUN Configuration for test 197 168 11 30 192 168 19 16 baltimore1 baltimore Label Owner Unit Capacityt Black Size Status Serial Number Tiers Tier Start Tier list 100000 Ready D pz142000606 Don 1234 mem o si Resp MOnDWR 2 NR 56 gt XQ Si2 Ready cancirsmano 8 onetaeo 1234567 3 w dd i 588 SZ Ufameied oapacarcnaoa 1 UDESsD 1 SSS Sa SS URL LLLA LLL CL ee Figure 16 LUN Configuration Screen 2 2 3 Tier View Click on the TIERs icon Ed to display the current status and configuration of the tiers in the system Figure 17 IBM System Storage DCS Storage Manager File Action Monitor View Download Help tf Open File Save File lt Refresh No Refresh b m My Desktop HSTD Owner 1 Capacity Mbytes 1119856 fu TIER 1 Space Available Mbytes 1119848 Disk Status ABCDEFGHPS ES DCSO DEMO Uniti Unit2 LUN List x Lun4 Ew DCS9900 1 192 168 12 81 Unit1 A B C D E F G UE DCS9900 2 192 168 12 82 Unit2 amp Ss SJ Ss Ss o Ss d 3 Lun
37. IBM System Storage DCS9900 Storage Manager Reference Guide E The following paragraph does not apply to any country or region where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states or regions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you Order publications through your IBM representative or the IBM branch office serving your locality No part of this document covered by copyright may be reproduced in any form or by any means graphic electronic or mechanical including photocopying recording taping or storage in an electronic retrieval system without prior written permission of the copyright owner Copyright International Business Machines Corporation 2008 US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp PC LAGOS tek STRIP a a aan a e a a aa E i 1 Installing the Management Tool iissuses 1 1 1 IriStallattOT 3 baud ae eee nein peed a hae eee es eee X 1 1 1 1 Installing on Microsoft Windows 0c eee eee eens 1 1 1 2 mstalling on OMU asus eee sor Rn SAU REPAS ER cues
38. L PA for FC8 across all ten or six channels are put on the same tier The tier that contains the drives with the highest AL PA value is recognized as Tier 1 You may connect up to 120 tiers to the IBM DCS9900 Tiers are automatically added to the system when the disks are detected A tier will automatically be removed if it is not in use by any of the LUNs and all of the disks in the tier are removed or moved to another location IBM System Storage DCS9900 Storage Manager Reference Guide 73 74 This page intentionally left blank IBM System Storage DCS9900 Storage Manager Reference Guide Index A access to data controlling 28 60 Action Menu 15 Action menu 17 Add Counters screen 34 Add DCS screen 4 Add LUN function 55 Add LUN screen 53 adding units 4 Adjust Cache Settings function 30 administrative utility using 3 alert system 46 AL PA definition 71 displaying 14 anonymous user adding 38 API server enabling 2 array configuring 53 controlling access to 60 C cache adjust 30 coherency 28 memory definition 71 multiplication factor setting 31 prefetch setting maximum 31 segment size definition 71 setting 32 settings 30 writeback setting 31 cache settings 57 CC Statistics 50 ccstats dual 50 Index changemap 14 15 Changemap function 14 15 channel definition 71 Check Condition Log function 51 client server i Command Line Interface CLI 4 compatibility list 13 configuration loading 20 sav
39. Lun 005 lun5 1 Lun 003 W Place Holder j Lun 004 3 Lun 005 x Lun 006 5 Lun 007 3 Lun 008 5 Lun 009 Lun 010 zi Lun 011 Lun 012 3 Lun 013 Lun 014 Ellun 015 3 Lun 016 Ex Lun 017 H Alinne v Figure 119 Edit Zoning Screen 5 5 Click OK to close Edit Zoning window 6 The main screen is updated to show all the new mappings on the host ports Figure 120 62 IBM System Storage DCS9900 Storage Manager Reference Guide IEM Eystem Starage DECE Storage Manager My eskiy dm Z250 DEMO LLANE aom COSSCC 1 92 162 12 01 Cari ee pans HERE S2 eee Figure 120 Zoning Screen with New Host Port Zoning IBM System Storage DCS9900 Storage Manager Reference Guide Configuration Examples 63 Configuration Examples 3 3 2 Adding Users This example illustrates how to add 4 users to a system containing 3 LUNs numbered 0 1 2 e User 01 has access to LUN 0 which is mapped to internal LUN 0 e User 02 has access to LUN 0 which is mapped to internal LUN 1 e User 03 has access to LUN 0 which is mapped to internal LUN 2 e User 04 has read only access to LUNs 0 1 and 2 which are mapped to internal LUNs 0 1 and 2 respectively 1 Select an individual IBM DCS9900 icon to display the currently connected users Figure 121 Unauthorized users are considered anonymous and granted the Zoning access for the host port to which they are connected s a Silicon
40. M DCS9900 pairs independent of the operating system This function keeps track of the current status of the connections and can perform the switch over without any changes in the operating system Each unit is assigned specific LUN s to service If one unit fails the other takes over the failed unit s assigned LUNs Hot Spare Ahotspare isa drive containing no data that acts as a standby in case a drive fails in a tier The hot spare drive adds another level of redundancy to your disk array If a drive fails the hot spare takes over for the failed drive until you replace it Once you replace the failed drive data is copied from the spare drive to the replacement drive the hot spare then returns to a standby status A hot spare drive is not dedicated to a specific tier but instead can be used for any failed drive in the disk array with the same or smaller capacity The hot spare drives on the IBM DCS9900 are global hot spares Logical A logical unit called a LUN is the basic structure you create on the disk array to retrieve and store your data Unit On the IBM DCS9900 a LUN can be as small as part of a tier See definition of Tier on page 73 or as big as IBM System Storage DCS9900 Storage Manager Reference Guide 71 Glossary the whole disk array Each LUN is seen by the host operating system as one drive The host system accesses each logical unit in the same way it accesses a new disk drive and you must follow the same procedures on the
41. N mapping e Select an internal LUN to be mapped and the external LUN Enable Read only option if needed Click Insert The left pane will be updated with the new mapping Figure 73 Edit Zoning for DEMO 192 168 12 81 pr oes ae Remove All c usas 3 Lun 000 Lun 001 Lun 002 Lun 003 Lun 004 Lun 005 Lun 006 Lun 007 Lun 008 Lun 009 Lun 010 Lun 011 Lun 012 Lun 013 Lun 014 Lun 015 Lun 016 Lun 017 F rm EF EF F al EF FE FP F FE ro rm EF Luis EF FE Lal iL rin NIS Read only 3 LUN List 3 Lun 002 lun 3 Lun 004 lund 3 Lun 005 luns 3 Place Holder Cancel Figure 73 Edit Zoning Screen 2 e Drag an internal LUN icon to be mapped and drop it onto the external LUN icon e For multiple and sequential mappings such as mapping LUNs 000 001 002 003 to external LUNs 000 001 002 003 respectively Use lt Control gt click to select the four LUNs from the right pane Select the first external LUN 000 in the sequence Figure 74 Enable Read only option if needed Click Insert The left pane will be updated with the new mappings IBM System Storage DCS9900 Storage Manager Reference Guide 39 Using the Management Tool 40 Q Edit Zoning for DEMO 192 168 12 81 g F Porti E Lun 002 tuna BlLun 001 Z2 zl Lun 004 5 Lun 002 5 Lun 003
42. NFO INT EF INFO INT GH INFO INT PS lt 10217 oN 10 17 A S PUSE 18 17 10 17 T1D 13 10S 14 10 17 TU T3 11 40 08 gi i os Da i Tae Le a Da Be Ee a Le Ose 11 40 14 11 40 14 11 40 14 11 40 14 11 40 14 sequence 00000 0 DP_CTRL DP_CTRL DP_CTRL DP CTRL DP CTRL DP CTRL DP CTRL DP CTRL DP CTRL DP CTRL DP CTRL Mele L21 40 19 DE CTRL TUSI 1171740 19 DB CTRL 10 17 11 40 19 DP CTRL Uae 11 40 19 DB CTRL Figure 89 System Log Screen 00 00 00 00 00 00 00 00 00 00 00 31 37 43 TapDelay6 TapDelay TapDelay TapDelay TapDelay TapDelay TapDelay8 TapDelay8 TapDelay8 TapDelay8 TapDelay8 gt 00000040 200000T00 gt O000000t P 0000 000 Ge700000fT 0 Q 000070 P 0000t0 gt 00000t0 o ee DODDEO p DDOOTO DCC CC SYNC STATE INVALID DCC CC SYNC STATE TRIGGER Uns 00 36 DCC GC Sync 0000 36 DCC GC Sync OOF 00736 DOC GC Syne OG 00 36 DCC CC Sync IBM System Storage DCS9900 Storage Manager Reference Guide Sequence Sequence Sequence Sequence Started Started Started Started 47 Using the Management Tool To clear the log of all previous messages click CLEAR To save the system log 1 Access the log screen by selecting View gt Log at the main screen 1 Select File gt Save As at the Log screen 2 Enter the path and file name for the log file 2 6 3 Displaying Configuration Data To display system
43. OOLR2 2 Not Ready 0401 Lagical U oo 00000000 000000 Jul 23 11 37 34 1B DQOOP6COOLR2 2 Not Ready D401 Logical U oo o0000000 000000 Jul 23 11 37 34 1B Figure 97 Check Condition Log Screen 2 DOQOOP6COOLR2 0401 Logical U 00 00000000 000000 Refer to Section 2 2 4 on page 10 for information on how to display the condition log for an individual disk IBM System Storage DCS9900 Storage Manager Reference Guide 51 Using the Management Tool 27 Download Firmware Upgrading firmware for the IBM DCS9900 system is accomplished using the Download menu option To download firmware 1 Select Download Firmware from the Download menu Figure 98 IBM system Storage DCS Storage Manager Fie Action Monitor View Bis NESE Help Download Firmware Ctrl F z Open File GR Save File Figure 98 Download Menu 2 A Download Firmware dialog window opens Figure 99 Make the appropriate selection Download Firmware for 8 2 192 168 11 1 Select a Download Firmware File Mise 300 fsh The download firmware path cant exceed 80 characters Figure 99 Download Firmware Dialog 3 A Download Firmware dialog window opens Figure 99 Make the appropriate selection 4 The System will ask you to confirm your selection Figure 100 5 System will display status prog
44. Ol E Shutdown GSS Alt 5hift X Date Time Ctri D Figure 32 Restart Shutdown Menu 2 Select the unit s to be restarted Figure 33 This function will prepare the system to be restarted The system will halt all I O requests and save the data to the disks before restarting The restart process may take several minutes to complete Restart DCS X hoose DCS you want to restart DCSO DEMO 192 168 12 81 DCSo pEMO 192 168 12 82 Figure 33 Restart Screen When you change the unit s IP address for example you must restart the unit to initialize the new values Any changes you make will not take effect until you perform a restart NOTE If cache coherency is enabled restarting a unit will cause the partner IBM DCS9900 to fail the unit Once the reboot is complete the user will have to heal the IBM DCS9900 unit System Shutdown To shutdown the unit 1 Select the Shutdown DCS function from the Action menu Figure 32 2 Select the IBM DCS9900 unit s to be shutdown Figure 34 IBM System Storage DCS9900 Storage Manager Reference Guide 17 Using the Management Tool Shutdown DCS x hoose DCS you want to shutdown DCSD DEMO 192 168 12 81 DCSO pEMO 192 168 12 82 0 Figure 34 Shutdown DCS Screen To power down the system use the Shutdown DCS function prior to shutting off the power This will cause the system to immediately flush cache abort all format and rebuild operations and proceed with a
45. Pack 4 or higher Windows 95 98 2000 XP NOTE Java 1 6 X or later is required to run GUI You will see errors if you attempt to run GUI using Java 1 3 X 1 4 X 1 5 X 1 Fromthe installation CD locate the installer Figure 1 eT e install Figure 1 Windows Installer Icon 2 Double click the icon to start the installation process Wait until the Introduction screen displays 3 Follow the on screen instructions and enter the information required Upon completion the Install Complete screen will display NOTE You caninstall the Management Tool on Microsoft Windows with Java bundled if Java 1 6 x is not running on your system without Java bundled if Java 1 6 x has been previously installed 4 Click Done to close the Installer window Your Management Tool is ready Refer to the procedures given in Section 2 1 for initial set up information 1 1 2 Installing on Linux Operating System requirements Linux Redhat 7 3 and 9 0 kernel NOTE Java 1 6 x is required to run the Management Tool You will see errors if you attempt to run GUI using Java 1 3 x or Java 1 5 x IBM System Storage DCS9900 Storage Manager Reference Guide Installing the Management Tool 1 2 1 2 1 1 2 2 1 From the installation CD locate the install bin icon Figure 2 J install bin 39 3 MB Figure 2 Linux Installer Icon 2 Double click the icon to start the installation process 3 Follow the on screen
46. ache Segment Size kbytes 1024 vi Cache Coherency This parameter enables and disables the cache coherency CACHE COHERENCY lof v TIMEOUT This parameter will set the cache coherency timeout for cache node requests TIMEOUT 0 255s O Figure 59 DCS Properties Screen IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool 2 4 2 System Performance Statistics The system monitors pre fetch and cache efficiency request distribution transaction and transfer rates by port The Stats function will display the performance statistics for the host ports 1 Select Stats from the View menu Figure 60 2 Select the unit to be monitored IBM System Storage DCS Storage Manager Stats Eq aM Download Help DCSOMDEMO 192 169 12 91 6 bcs Configuration Data Ctrl I PCSO DEMO 192 168 12 62 Q Log col s Check Condition Log Ctl k a Disk Defect List Ctl stats COl T System Uptime Cms x EE DCSSSOD I 192 158 12 81j UnitL T Figure 60 Stats Function For first time set up you will need to add the counters Click Add at the System Performance Statistics screen Figure 61 Q System Performance Statistics for DEMO 192 168 12 81 Average Minimum Maximum Duration Scale Action Ports Figure 61 System Performance Statistics Screen At the Add Counters screen Figure 62 1 Select the item and the port to be monitored 2 Click Add to ad
47. acity Mbytes 1119840 Block Size 512 Tiers 1 Tier List 8 Tier5 Configuration Examples Figure 110 Main Screen Showing LUN 0 Ready 3 2 Cache Configuration The IBM DCS9900 manages the pre fetch and cache efficiency by LUN You can specify which LUN s to change Select Cache Settings from the IBM DCS9900 system menu Figure 111 to display the current cache settings Figure 112 IBM System Storage DCS9900 Storage Manager Reference Guide 57 Configuration Examples Right Click on DCS System Icon to Display Menu AE iust AV Settings View AV Adjust Cache Settings d View Cache Settings Adjust SMART Settings E Adjust Spare Settings Adjust SES SESID SESID OFF SESSHOW SESSHOWALL SESSHOWDEVICES Login Unit Lo Remove DCS Rename GCS Dual Properties Tii Figure 111 System Menu Cache settings Current Cache settings Write Caching Maximum Prefetch Prefetch Ceiling Read Priority Write Priority 0 Enabled 65535 Enabled 65535 Enabled 65535 1536 0 Mbytes of Cache Installed 8192 Segments of 128 Kbytes Figure 112 Current Cache Settings Screen To change the cache settings for each LUN in the system 1 Select Adjust Cache Settings from the system menu 2 Select the LUN and enter the new settings Figure 113 3 Click OK to save 58 IBM System Storage DCS9900 Storage Manager Reference Guide Configuration Examples Adjust Cache Setting
48. amp Unit Attention 2902 SCSI Bus 00 00000000 ooo000 Jul 10 16 45 18 7 DQOOP6COOLPT 2 Not Ready D401 Lagical U oo 00000000 000000 Jul 10 16 45 18 7A DQOOP6COOLPT 2 Not Ready 0401 Logical U oo 00000000 000000 Jul 23 11 37 25 1B DOOO0P6CODLR2 2 Not Ready 0411 oo 00000000 000000 Jul 23 11 37 25 1B DOQOOP6CODLR2 2 Not Ready 0411 oo oo000000 oo0000 Jul 23 11 37 25 1B DQOOP6COOLR2 2 Not Ready 0411 oo 00000000 000000 Jul 23 11 37 28 1B DQOOP6COOLR2 2 Not Ready 0401 Logical U oo o0000000 000000 Jul 23 11 37 28 1B DOQOOP6COOLR2 2 Not Ready 0401 Lagical U 00 00000000 000000 Jul 23 11 37 28 1B DOQOOP6COOLR2 2 Not Ready 0401 Lagical U 00 00000000 000000 Jul 23 11 37 28 1B DQOO0PSCODLR2 2 Not Ready D401 Lagical U 00 00000000 000000 Jul 23 11 37 30 1B DQOOPECOOLR2 2 Not Ready 0401 Logical U oo o0000000 000000 Jul 23 11 37 30 1B DQOOP6COOLR2 2 Not Ready 0401 Lagical U oo 00000000 000000 Jul 23 11 37 32 1B DQOOP6COOLR2 2 Not Ready 0401 Logical U oo 00000000 000000 Jul 23 11 37 32 1B DQOOP6COOLR2 2 Not Ready D401 Lagical U oo 00000000 000000 Jul 23 11 37 32 1B DOQOOP6C
49. amples Add LUM LUN Owner ad LUN IdiD 127 o Configured LUM List LUM Labelfup to 16 characters Create a LUN Group Number of LUNs in grouptz 54 LUM Capacitytin Mbytes Number of Tiers For LLUIN 1 8 Y 1 Tiers For LUN e g 1 2 3 LUM Block Size 512 Enter 0 En request all available capacity Available TIER List v Cancel Figure 102 Add LUN Screen for LUN 0 3 Click OK The main screen is updated to show the newly added LUN 0 Figure 103 IBM System Storage DCS Storage Manager File Action Monitor View Download Help iz Open File Save File Refresh No Refresh m My Desktop 3 SS DCSO DEMO Unit1 Unit2 Ss DCS9900 1 192 168 12 81 Unit1 RH ZONING Se DCS9900 2 192 168 12 82 Unit2 9 TIERS ma USERs zm FAULTS v H LUN O Label HSTD Owner 1 Status Unformatted Capacity bytes 56 Block Size 512 Tiers 1 Tier List 8 Tier1 Figure 103 Screen Updated to Show New LUN 4 To create LUN 1 select the Add LUN function and enter the following information in the Add LUN screen Figure 104 e LUN Owner 2 enter 1 for single unit configuration e LUN Id 1 e LUN Label IBM DCS9900 Volume 2 e Create a LUN Group No e LUN Capacity leave it empty to use all available capacity e Number of Tiers for LUN 1 e Tiers for LUN 2 e LUN Block Size 512 54 IBM System Storage DCS9900 Storage Manage
50. an ot 1 1 2 COD IgUFALIOT su euo RE RH toe eee eee Ru wea Ed E ass 2 1 2 1 Enabling the API Server 0 0 0 0 ccc cece teen ee eees 2 122 Configuring Access Passwords 00 esl eee eens 2 2 Using the Management Tool 0 00 cece eens 3 2 1 Gerne Slated 4 6 s ios y omvecialeag wey AURA Sa nee ates cess 3 2 1 1 Mial EOS ITE ecol ved end ne ele a GIG wees uet sweat sau gode 3 2 1 2 PNOGING E DIS etes doro itd et anal eme e bd dd 4 2 1 3 ReMmOVING UIS o coeur e uU tud beue eias 6 2 2 Configuration Management 00 eee eens T 22 1 System Overview susseleeeeee esee 7 2 22 LUN repre T 2 2 9 TICE VOW oon os birbedto tuae om ird tut atate qim s etude ad auton aes 9 2 2 4 Disk IMPOMMAION 2250 the dhn de ates D osi ea dle ieu dtd 10 2 2 5 Tier Mapping for Enclosures 0 0 ccc cece eee 13 2 2 6 Adding Removing Storage AssetsS 000 0c cece cee eens 15 2 2 1 System Network Configuration Telnet amp SNMP 15 2 2 8 Restarting Shutting Down the IBM DCS9900 LL 17 ZU Setting the System Date and Time uueluusslsesss 18 2 2 10 paving the Configuration i1 2ss ese ee eg D das 19 2 2 11 Loading a Configuration 0 0c c ccc ccc een neces 20 2 2 12 Version nformation er eee ea EH o exer Ri eres 21 2 3 ELUN Managemen areni o rao D ERR RAO SCHON ae ER 21 2 9 1 Configuring the Storage AYray 0 cece eens 21
51. aname for your system Enter the IP address es and port number s of your unit s Click OK Add DCS Dual Mode Enter a name for Unit 30 Characters Maximum IP Addressi DNS namel IP Addressz DNS names Porti Portz Figure 6 Adding Units Screen 3 You will be prompted to login Figure 7 The factory configured username and password for the administrative account are admin and password respectively If you have selected dual mode in the previous step you will be asked to login twice The user name and password can be changed using the Command Line Interface CLI 4 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool LOGIN IP 192 168 19 11 USERNAME imbeatthy Figure 7 Login Screen 4 Ifyou have logged in successfully the main screen will be updated to show your System s icon Figure 8 IBM System Storage DCS Storage Manager File Action Monitor View Download Help Ge Open File SE Save File A Refresh No Refresh v DC50 DEMO E DESO DEMO Uniti Unit2 I a Figure 8 Main Screen 5 Click on the icons to obtain more information related to that function Figure 9 IBM System Storage DCS9900 Storage Manager Reference Guide 5 Using the Management Tool IBM System Storage DCS Storage Manager File Action Monitor View Download Help Ga Open File BF Save File 4 Refresh D
52. are not on the IBM DCS9900 compatibility list the system will still be able to monitor the status of your enclosures Component failures such as power supply fan and drive will be reported However visual indication of the drives tiers and LUNs will not be supported To display the current mapping mode for the disks in the array select the Displaymap function from the TIERs menu Figure 25 IBM System Storage DCS9900 Storage Manager Reference Guide 13 Using the Management Tool EELIE 00 to Display Menu Changemap Display map 4 Disk Defect List ai Disk List 4 Disk Rebuild E 4 Tier Config 3 Tier Properties af Tier Pause Unit 1 J Tier Pause Unit 2 E Tier Resume Unit 1 4 Tier Resume Unit 2 4 Tier Stop Unit 1 ad Tier Stop Unit 2 4 Disk Scan Unit 1 Disk Scan Unit 2 Figure 25 TIERs Menu The list of 120 tiers are also displayed Figure 26 TIER Displaymap E x Current mapping made Standard Enclosure Figure 26 Current Mapping Mode and AL PA Values for Tiers To change the current tier mapping mode for the disks in the array 1 Select the Changemap function from the TIERs menu Figure 25 2 Select the appropriate mapping mode for your SF enclosures and click OK Figure 27 For other enclosures select Standard Enclosure TIER ChangeMap x Current mapping made Standard Enclosure Choose the new mapping made Standard Enclosure SF
53. below is an example for adding LUN zoning to the host ports e External LUN 0 will be mapped to internal LUN 0 with read only access on Host Port 1 e External LUN 0 will be mapped to internal LUN 1 on Host Port 2 e External LUN 0 will be mapped to internal LUN 2 on Host Port 3 1 Right click on the Zoning icon and select the Edit Zoning function The Edit Zoning screen displays all available LUNs in the system Figure 115 loj xi File aff Read only Insert Remove H LUN List F1 Lun ooo et Lun OC E 3 Lun O02 i FA Place Holder OK Apply Cancel Figure 115 Edit Zoning Screen 1 2 To set zoning on Port 1 e Select Lun 000 from LUN List e Select Lun 000 from Port1 e Select Read only option Figure 116 60 IBM System Storage DCS9900 Storage Manager Reference Guide Edit Zoning for DEMO 192 168 12 81 o Porti v7 EH Lun ooo x Lun O01 Z Lun 002 53 Lun 003 x Lun 004 Z Lun 005 53 Lun 006 Z Lun O07 Lun 008 Z Lun 009 Z Lun 010 Z Lun 011 Z Lun 012 Lun 013 xlLun 014 x Lun 015 Lun 016 Lun 017 E Lim 18 Read only Taj LUN List 3 Lun 002 lun25 3 Lun 004 luna ES Lun 005 uns a Place Holder Cancel Figure 116 Edit Zoning Screen 2 Configuration Examples Click Insert The screen is updated to show the new mapping Figure 117 e Click Apply to save it Edit Zoning for DEMO 192 168 12 81 Remove alf
54. can Unit 23 Figure 64 TIERS Menu TIER Properties X r Autabuild This parameter enables and disables the automatic disk rebuild when a failed disk is replaced by a new disk AUTOREBUILD OM r Extent This parameter sets the system rebuild extent in Mbytes Extent U 1 28MEby 32 r Delay 1 This parameter sets the system rebuild delay in Millisecands Delay 0 1 000f 2 feo Cancel Figure 65 Tier Properties Screen The Rebuild Delay parameter controls the amount of time to wait before rebuilding the next segment of data This parameter slows down the rebuild and format operations so they will not affect the performance of the system Delay 0 will remove all delays so the rebuild and format operations will go as fast as possible but this will significantly affect the performance of the system NOTE Adelayvalue smaller than 1 is not recommended This value is in 100 millisecond increments The range is O to 1000 The default setting is 30 which is 3 seconds The Rebuild Extent parameter determines how much data to rebuild or format at one time A small Extent value will slow down the rebuild and format operations so they will not affect the performance of the system Increasing the Extent value will allow more data to be rebuilt in a single pass The recommended setting is to use the default value of 32 MBytes and only adjust Delay to match your user load The ra
55. d The following cache options are available e Write Caching Allows write operations from the host to be stored in the system s cache memory The use of write caching increases overall performance because a write operation from the host is completed when data is put in the cache instead of when the data is actually written to the drive itself e Write Cache Coherence Allows both units in a couplet configuration to simultaneously access the same drives This enables users connected to either unit to read write any LUN in the system Cache See Segment Size Segment Size Channel Each IBM DCS9900 unit uses ten or six independent drive channels to manage data distribution eight or four data channels A through H one parity channel P and one optional spare channel S See also Tier Couplet Two single units can be set up as a couplet That is if one unit fails the other unit in the pair takes over the failed unit s functions and the system continues to operate You can then replace the failed unit often without shutting down the system to resume normal operation This feature involves more than just the IBM DCS9900 It concerns the entire data connection the route data takes from the host system to the system If any part of the connection fails for example if the cable connecting the two units fails the redundancy feature reroutes I O to the remaining good connection The couplet feature will control the data flow to the IB
56. d have downloaded Java from the internet it may be necessary to restart your computer as older versions of Microsoft Windows need to be restarted to complete the Java installation This should not be the case with Windows 2000 or Windows XP 4 3 Can t Connect to the IBM DCS9900 Here are the most common reasons that you may be unable to connect to the Management Tool from your selected system e Incorrect IP address or DNS name for the system you wish to manage e No Ethernet connection This includes connecting your private Ethernet port that is used to connect the two units together as a partner unit and your Ethernet connection to your LAN See your system configuration documentation e Using a cross over cable for your Ethernet connection Your IBM DC 89900 comes with both a straight through and a cross over cables The cross over cable supplied should be used to connect the two units together when using a system as a dual and should be considerably shorter than the straight through cable that was supplied with your system IBM System Storage DCS9900 Storage Manager Reference Guide 69 Troubleshooting 70 e Trying to connect across networks The IP address of your IBM DCS9900 resides on a different network than your management machine For example your IBM DCS9900 has an IP address of 192 168 0 x however your Management Tool resides on 10 1 0 x in this case you have to take a few extra steps to manage your IBM DCS9900 from
57. d in the U S A IBM may not offer the products services or features discussed in this document in other countries Consult your local IBM representative for information on the products and services currently available in your area Any reference to an IBM product program or service is not intended to state or imply that only that IBM product program or service may be used Any functionally equivalent product program or service that does not infringe on any IBM intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any non IBM product program or service IBM may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to IBM Director of Licensing IBM Corporation North Castle Drive Armonk N Y 10504 1785 U S A For additional information visit the web at http www ibm com ibm licensing contact The following paragraph does not apply to the United Kingdom or any other country where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some
58. d that counter The data is collected and displayed in graphical format Figure 63 IBM System Storage DCS9900 Storage Manager Reference Guide 33 Using the Management Tool Add Counters Figure 62 Performance Statistics Add Counters Screen 3 Close the Add Counters screen after you have added all the counters To remove a counter select the counter and click the EJ icon System Performance Statistics for DEMO 192 168 12 81 rapp 3 Add Counters E x Write MB s All Ports Total MB s All Ports Read lO s All Ports Figure 63 System Performance Statistics Screen 2 2 4 3 Resources Allocation Background Format Rebuild Operations Format and rebuild operations are background processes and their rates can be adjusted to minimize their impact on system performance The TIERs Properties function Figure 64 allows you to display and change the rebuild parameter settings for all the tiers in the system Figure 65 34 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Right Click on p di TIERs Icon m to Display Menu do riens Convert Tier Mode ae Changemap Displaymap H i 4 Disk Defect List i Disk List 24 Disk Rebuild TR Tier Config Tier Properties E i Tier Pause Unit 1 Tier Pause Unit 2 Tier Resume Unit 1 Tier Resume Unit 2 2 Tier Stop Unit 1 Tier Stop Unit 2 4 Disk Scan Unit 1 Disk S
59. de Name Assign an alias name of up to 12 characters To specify host port zoning select Yes at the Zone the Host Ports box and enter the ports to be active To specify unique LUN mapping for this user select Yes at the Unique LUN Mapping box Select an external LUN and type in the internal LUN to be mapped Hit Enter after each entry For a read only LUN type R in front of the LUN number You may edit this mapping later using the Edit User LUN Mapping function as described on page 44 42 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Add USER for Demo 192 166 2 36 192 1 X Check current login users Unitfi LInik z World Wide Name 64 bits Alias up to 12 chars fone Ehe Host Ports Active Parks For Uniti e g ri 2 3 Active Ports For Unite e g ri 2 3 Linique LOUN Mapping External LUM Figure 79 Add User Screen 3 Click OK to add the new user Refer to Section 3 3 2 on page 64 for an Add User example Deleting an Existing User from the System To delete an existing user from the unit 1 Select Delete USER from the USERs menu Figure 77 2 At the Delete User screen Figure 80 select the user s to be removed and click OK You are prompted for confirmation Figure 81 ES x Choose USER you want ta remove LU sER L Ier 01 USER User 02 USER2 User 03 USER S User 04 OK Cancel Figure 80 Delete User Screen
60. e changes will take effect Right Click on Individual RN DCS Unit Icon T to Display Menu L ERES EAS Date Time Disk PLE Commands Uptime Host Commands Download Firmware Z View Check Condition Log Dual Configuration View Disk Defect List Dual Stats View Log Fail Unit View Spare List Heal Unit Stats Commands seal Unit i LUNS uns SelfHeal Unit Network Properties TIERS Network Ping l Restart DCS 2 TIER1 892 shutdown DCS i fe Shutdown Restart DCS LAE nick 1A So Srenner Srp Figure 29 Individual DCS Menu To change the Telnet capability temporarily during the current power cycle refer to the TELNET ENABLE DISABLE CLI command IBM System Storage DCS9900 Storage Manager Reference Guide 15 Using the Management Tool NOTE Thetext used in Telnet connections are clear text If Telnet connections are used you may expose passwords to third parties For higher security we recommend that you turn off Telnet access if it is not required Valid Telnet port values are 0 to 32768 Note however that the results may be unpredictable if the port number chosen is already in use on this unit by either the GUI or Syslog facilities The default port number is 23 Network Properties 1 X IP Address f 0 0 254 254 Gateway fioo10 10 Nethdask 255 255 0 0 Mac Address n ot t 61 00 ae Telnet Enabled Telnet Port ossa AFI Server Enabled 7 API Server Port
61. ed in accordance with European Directive 2002 96 EC concerning waste electrical and electronic equipment WEEE The Directive determines the framework for the return and recycling of used appliances as applicable throughout the European Union This label is applied to various products to indicate that the product is not to be thrown away but rather reclaimed upon end of life per this Directive Remarque Cette marque s applique uniquement aux pays de l Union Europ enne et la Norv ge L tiquette du syst me respecte la Directive europ enne 2002 96 EC en mati re de D chets des Equipements Electriques et Electroniques DEEE qui d termine les dispositions de retour et de recyclage applicables aux systemes utilis s a travers l Union europ enne Conform ment la directive ladite tiquette pr cise que le produit sur lequel elle est appos e ne doit pas tre jet mais tre r cup r en fin de vie HE C0wv 27I amp 4 EU BBB KV Jv 2r Izd8b CO v3 FH Tux TORII EU d E Cox ORE aT T m dH dT 2002 96 EC WEEE DIF 7v 23 B DANT WET COBGIL EUMHICMAT o fi HAAR RS OO BI U V Z VOU T ZED TV EF OFNI HARA RICHES CO TELUR T 545820 52 c6x All 5 5 Te OIE OM MICH OS TMCWET In accordance with the European WEEE Directive electrical and electronic equipment EEE is to be collected separately and to be reused recycled or recovered at end of life Users of EEE with the WEEE marking per Annex IV of the WEEE Directive as sho
62. ed properly IBM System Storage DCS9900 Storage Manager Reference Guide About this Guide e Check the power switches to make sure that the system is turned on e Use the troubleshooting information in your system documentation and use the diagnostic tools thatcome with your system Using the Documentation Information about the DCS9900 product is available on a documentation CD that comes with your product You can also access documents using the IBM Publications Center http www ibm com shop publications order How to Send Your Comments Your feedback is important in helping us to provide the most accurate and high quality information If you have comments or suggestions for improving this publication you can send us comments electronically by using the following address Internet starpubs us ibm com You can also mail your comments by using the Readers Comments Form in the back of this manual or direct your mail to International Business Machines Corporation Information Development Dept GZW 9000 South Rita Road Tucson AZ 85744 0001 U S A T IBM System Storage DCS9900 Storage Manager Reference Guide Installing the Management Tool I Installing the Management Tool This chapter provides information installing and configuring the Management Tool on Microsoft Windows and Linux operating systems 1 1 Installation 1 1 1 Installing on Microsoft Windows Operating System requirements Windows NT 4 0 with Service
63. elect Add USER from the USERs menu and enter the settings in the Add USER screen Figure 124 World Wide Name 210000E08B0994143 Alias User 02 Zone the Host Ports No Unique LUN Mapping Yes Click on 0 in the External LUN column Type 001 and press lt Enter gt Click OK to save new settings Add USER for Demo 192 166 2 36 192 1 X Check current login users Unit 1 Unit World Wide Name 64 bits 21000E08609934143 Alias up to 12 chars Zone the Host Ports Active Ports For Uniti e g 1 2 3 Active Ports Far Unite e g 1 2 3 Unique LUN Mapping External LLIM 0 1 Figure 124 Add User Screen 2 5 To add User 03 select Add USER from the USERs menu and enter the settings in the Add USER screen Figure 125 e World Wide Name 210000E08B051583 IBM System Storage DCS9900 Storage Manager Reference Guide 65 Configuration Examples e Alias User 03 e Zone the Host Ports No e Unique LUN Mapping Yes e Click on 0 in the External LUN column Type 002 and press Enter e Click OK to save new settings X world Wide Mame 64 hits z QOOO0E0SBO051 5 amp Alas upto 12 chars user 03 zone the Host Ports io i Active Ports for HSTD1 ea 1 2 3x m Active Ports for HSTD2 e g 61 2 3X Unique LUN Mapping ves External LUM Internal LUM OK Cancel Figure 125 Add User Screen 3 6 To add User 04 select Add USER from the USERs menu and enter the
64. ensive monitoring and reporting capability 2 4 1 Optimization of I O Request Patterns Display Change Cache Settings for the LUNs Select Cache Settings from the S2A system menu Figure 55 to display the current cache settings for each LUN in the system Figure 56 Right Click on DCS System Icon mee to Display Menu Adjust Av Settings Yew AV Adjust Cache Settings View Cache Settings Adjust SMART Settings t Adjust Spare Settings Adjust SES See Ti SES ID OFF SES SHOW SES SHOWALL SES SHOWVWDEVICES Login Unit Remove DCS Rename DCS Dual Properties Figure 55 System Menu Cache settings Current Cache settings Write Caching Maximum Prefetch MF Bit me Ceiling Read Priority write Priority Enabled 55535 high high Enabled 55535 Enabled 55535 1536 0 Mbytes of Cache Installed 8192 Segments of 128 Kbytes Figure 56 Current Cache Settings Screen To change the cache settings for each LUN in the system 1 Select Adjust Cache Settings from the system menu 2 Select the LUN to change and enter the new settings Figure 57 30 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Writeback Cache Settings Writeback caching allows the system to increase the performance of handling write I O requests by storing the data in cache and saving the data to the disks at a later time The Write Caching default setting is Enabled Adjust Cache Settin
65. ently defined users and their LUN mappings Figure 128 IBM System Starage DCE Storage Manager jr mj E File Action Monitor View Download Help zn Ej t Refresh b minutes wr al Lungoo Se 4 Lunoo ff sec Yukon x14 c m 2250 DEMO iui LAN ilz 5 Lunon 5 E Luno 3 Lunooo z El Lunoos 83 Lunoo1 C2 23 Lungi Luna 4 Lune aj Lunda E Ex Lunni2 Fal Lunood Ez Ex Lun n4 Ex Lunto1 SES Lunot4 f Luna E E Lunas j Luni EX Lun is m LISERO Yukon x14 l a Luntnn 7 H Lunde Figure 128 New USERs List 5 ES ECNI 592 162 12 0D Grit Roms ESSC 29216212 01 Crit Ef usert Yukon xii ee Fue 4 poe V4 I1 T4 15412 2 Cr ii Userz Yukon x24 am f LIserz Yukon xzBI f Userd Zapata x1A T IBM System Storage DCS9900 Storage Manager Reference Guide 67 68 This page intentionally left blank IBM System Storage DCS9900 Storage Manager Reference Guide Troubleshooting 4 Troubleshooting If you are experiencing difficulties with your system please review the following problems and their solutions If you find you are still unable to resolve your issue s contact your authorized distributor or IBM Networks Technical Support Technical Support information is listed at the end of this manual 4 1 Drive Failure Recovery If you should encounter a drive failure the IBM DCS9900 system is equipped to handle it By default the IBM DCS9900 will automatically
66. eries and accumulators are labeled to indicate that they are to be collected separately and recycled at end of life The label on the battery may also include a chemical symbol for the metal concerned in the battery Pb for lead Hg for mercury and Cd for cadmium Users Notices 84 For California of batteries and accumulators must not dispose of batteries and accumulators as unsorted municipal waste but use the collection framework available to customers for the return recycling and treatment of batteries and accumulators Customer participation is important to minimize any potential effects of batteries and accumulators on the environment and human health due to the potential presence of hazardous substances For proper collection and treatment contact your local IBM representative This notice is provided in accordance with Royal Decree 106 2008 of Spain The retail price of batteries accumulators and power cells includes the cost of the environmental management of their waste Este aviso se proporciona de conformidad con adem s de otros requisitos el Real Decreto espanol 106 2008 El precio de venta al p blico de las bater as los acumuladores y las celdas de potencia incluye el coste de la gesti n de su desecho Perchlorate Material special handling may apply See www dtsc ca gov hazardouswaste perchlorate The foregoing notice is provided in accordance with California Code of Regulations Title 22 Division 4 5 Chapter 33
67. fication scheme that applies to all host ports Figure 69 Internal LUNMap 9 1 2 3 4 5 6 7 S WWN 1 WWN 1 External ee Figure 69 Mapping Internal LUN s to External LUN s LUN mapping Figure 69 indicates which internal LUNs the user will have access to and where the internal LUN will appear to the user that is as its external LUN The Port mapping indicates those ports through which the user may gain access to the unit The read only and read write privileges can also be specified for each LUN and for each user The place holder LUN feature allows the system administrator to map a zero capacity LUN to a host or group of hosts via zoning or user authentication The administrator can then create a real LUN and map it to the host s to replace the place holder LUN in the future In most cases the host will not have to reboot since it already mapped to the place holder LUN NOTE Support of place holder LUNs is dependent upon the operating system the driver and the HBA IBM System Storage DCS9900 Storage Manager Reference Guide 37 Using the Management Tool 2 5 1 Host Port Zoning This type of configuration provides the first level protection LUN mapping can be customized for each host port Any unauthorized user accessing the system will be considered anonymous and granted the zoning rights for the host port to which they are connected Click on the corresponding Zoning icon to disp
68. gs E LUM 100 Write Caching Enabled Max Prefetch 0 655235 Multiplication Factor Bit On Prefetch Ceiling 0 65535 65535 Read Priority Write Priority Writeback Limit Cache Size se O Cache Segments 2768 Cache Segment Size 64 Cache Error Ino EN Figure 57 Adjust Cache Settings Screen Prefetch Settings When the system receives a request it can read more data than it has been requested to read Prefetch tells the system how much data for which to look ahead This will improve performance if your system needs to perform sequential reads For random I O applications however use the smallest prefetch value The Max Prefetch parameter sets the maximum prefetch ceiling in blocks for prefetches on read commands for the specified LUN Valid range is 0 to 65535 Default setting is 65535 If the MF Multiplication Factor bit is OFF the system will only prefetch the number of blocks specified by PREFETCH after every read command If the MF parameter is ON then the system will multiply the transfer length of the command by the prefetch value to determine how much data will be prefetched A prefetch value of less than 8 is recommended when the MF parameter is ON The Prefetch Ceiling parameter sets the maximum prefetch ceiling in blocks for prefetches on read commands It sets an upper limit on prefetching when the MF parameter is ON The system will automatically limit the amount of prefetching if the system is ru
69. guration each unit owns LUNs and tiers Spare drives are owned by individual units according to tier ownership In healthy situations one unit cannot access LUNs or tiers owned by the other unit However if the other unit is failed the healthy unit will have access to all LUNs and tiers Users via mapping can be assigned any combination of LUNs In a healthy environment the users will only see LUNs owned by the unit to which they are connected Displaying and Changing the Settings The Configuration function will display information about couplet system configuration To enable disable the cache coherency between the two units in couplet configuration 1 Select the Properties function from the individual IBM DCS9900 menu Figure 53 2 select the new setting The Timeout parameter allows you to set the cache coherency timeout for cache node requests in hundreds of milliseconds Valid range is 2 to 255 hundred milliseconds Default setting is 200 milliseconds Adjust AY Settings View AV Adjust Cache Settings View Cache Settings Adjust SMART Settings Adjust Spare Settings Adjust SES SES ID SES D 0FF SES SHOW SES SHOW ALL SES SHOWDEVICES Login Unit Remove DCS Rename DCS Dual Properties Figure 52 System Menu IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool DCS Properties Cache Restart Click on button to restart cache Cache restart Cache Segment Size Thi
70. hanging 15 management tools 3 ping with single packet 16 restore other unit 29 SNMP functionality enabling 15 SNMP trap IP address changing 15 syslog capability enabling 15 syslog packets IP address changing 16 syslog packets port number changing 16 telnet capability enabling 15 telnet port number changing 16 installation CD 1 installer 1 2 Linux 1 troubleshooting 69 Windows 1 IP address changing 15 J Java requirements 1 L Linux Redhat 1 requirements 1 Linux installation on 1 log disk condition 11 51 system 47 Log function 47 logical unit definition 71 login initial 3 loop resiliency circuit 72 LRC 72 LUN configuration display 8 controlling access to 60 creating 21 definition 71 deleting 24 formatting 23 53 pause 23 maximum number supported 71 ownership of 28 place holder 37 read only setting 38 40 41 42 reconstruction 72 see also disk rebuild status checking 7 verify operations 36 LUN format progress monitor 56 LUN Format Progress Monitor screen 56 LUNs Properties function 36 Index M Management Tool i Java based GUI RAID client server application manager i using 3 version 21 mapping tier 13 mapping create zoning 39 message log 47 Microsoft Windows 1 multiplication factor setting 31 N netmask changing IBM DCS9900 netmask changing 15 network ping 16 Network Ping function 16 network properties 15 notification email 46 O onl
71. ild function Figure 48 2 Enter the tier number and channel of the disk to be rebuilt Figure 49 and click OK This operation will reconstruct data on the replacement drive and restore a degraded LUN to healthy status IBM System Storage DCS9900 Storage Manager Reference Guide 25 Using the Management Tool Right Click on Individual DISK Icon to Display Menu am TIER1 84 2 P amp Em Defect List pi DISKIA Diag Disk1 A Fail Disk Disk14 Rebuild Disk1 4 Replace Dick Disk1A RLS Unit 1 Disk1A RLS Unit 2 Disk Disk1 4 RLSREL Unit 1 Disk14 RLSREL Unit Z Diski A PLS Lini I Disk skl4 tLirik 23 Disk Disk Properties SMART Disable Dislk14 Dick SMART Enable Diski A Figure 48 Individual DISK Menu Rebuild DISK x Enter the TIER to be rebuilded Enter the CHANNEL to be rebuilded Cancel Figure 49 Rebuild Disk Screen 26 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Manual Drive Replace A Replace operation can be used to temporarily replace a failed disk with a healthy spare disk To replace the specified failed drive with a spare drive 1 Select the DISK Replace function from the TIERs menu Figure 48 2 Enter the tier number and channel of the disk to be replaced Figure 50 and click OK Heplace DISK X Enter the TIER to be replaced Enter the CHANNEL to be replaced Cancel Figure 50 Replace Disk Screen
72. ine help i 3 ownership of LUNs and tiers 28 P parity definition 72 password configuring 2 default 2 pause LUN format 23 pause rebuild 27 performance statistics 33 ping 16 network ping function 16 place holder LUN 37 IBM System Storage DCS9900 Storage Manager Reference Guide 77 Index 78 port forwarding 2 prefetch ceiling parameter 31 settings 31 problem solving 69 Properties function 28 Properties menu 32 R RAID level definition 72 rate refresh 36 read only LUN setting 38 40 41 42 read only zoning 40 rebuild automatic 12 25 definition 72 delay setting 35 extent setting 35 manual initiate 25 27 Redhat Linux 1 refresh rate 36 Remove DCS command 6 replace manual drive replace 27 requirements operating system Linux 1 operating system Windows 1 requirements Java 1 Restart DCS function 15 restarting 17 resume LUN format 23 resume rebuild 27 RLS disk 11 RS 232 terminal set up 3 IBM System Storage DCS9900 Storage Manager Reference Guide S SAN Storage Area Network definition 72 SCSI Enclosure Services 72 security setting data 37 60 segment size definition 72 setting 32 serial port set up 3 SES SCSI Enclosure Services definition 72 SF enclosures 14 shutdown 17 SNMP functionality 16 SNMP functionality enabling 15 SNMP trap IP address changing 15 spare drive 24 SSAM 18 statistics counters add 33 performance 33 remove counter 34 stop LUN format 23 stop reb
73. ing 19 couplet definition 71 create LUNs 53 D data controlling access to 37 60 date changing system 18 date setting system 18 DCS shutting down 17 DCS restarting 17 defect list 12 Defect List screen 12 delete a LUN 24 disk channel definition 71 scanning 15 status 10 check condition log 11 condition log 51 find all 12 rebuild pause 27 starting 12 25 27 RLS information 11 scan 12 status 9 Disk Rebuild function 25 IBM System Storage DCS9900 Storage Manager Reference Guide 75 Index 76 Disk Replace function 27 disk scan 12 Displaymap 13 drive enclosures compatibility list 13 SF enclosures 14 dual ccstats 50 dual configuration 28 E Edit USER function 44 Edit Zoning function 38 Email Alerts function 45 email notification 46 enclosure display failure on 49 enclosures 13 event log 47 example adding user 64 cache configuration 57 host port zoning 60 LUN creation 53 extent verify extent value 36 F Fail Unit function 29 failure display list of 49 faults system 49 firmware downloading 52 upgrading 52 Format LUN function 23 format LUNs 53 G glossary 71 IBM System Storage DCS9900 Storage Manager Reference Guide GUI i H Heal Unit function 29 help i 3 menu i topics 3 host port zoning 60 hot spare definition 71 I IBM DCS9900 cache coherency 28 compatibility list 13 configuring 53 failing the other unit 28 29 healing the other unit 28 IP address c
74. ing defines how long to wait before rebuilding the next block of data The smaller the delay the faster the rebuild occurs but the slower system I O is serviced Recon See Rebuild struction Segment Segment size is the size of a cache node It is given in KBytes You can adjust the performance of Size the system by changing the cache segment size to match the size of the host I O requests A large cache segment size may give better performance for large I O requests and a small cache segment size may give better performance for small I O requests For the best performance the cache segment size should be larger than the average host I O request size SAN Storage Area Network A storage area network is a computer network dedicated to data storage It uses Fibre Channel transport and switch technologies to provide new storage capabilities including server clustering and scalable storage expansion SES SCSI Enclosure Services SCSI Enclosure Services is an industry standard protocol used to evaluate and detect a number of different environmental conditions including the presence of drives in the enclosure fan control and usage 72 IBM System Storage DCS9900 Storage Manager Reference Guide Glossary Tier Tiers are the basic building blocks of the IBM DCS9900 One tier contains up to ten drives four or eight data drives Channels A through H one parity drive Channel P and an optional spare drive Channel S Drives that have the same A
75. lay the current settings for the host ports on the unit Figure 70 The screen shows which internal LUNs the users will have access to with read only and read write privileges and where the internal LUN will appear to the users LS IBM System Storage DCS Storage Manager Um File Action Monitor View Download Help tf Open File Save File Refresh No Refresh v m My Desktop amp E DCSO DEMO Uniti Unit2 gee DCS9900 1 192 168 12 81 Uniti Porn amm e ES DCS9900 2 192 168 12 82 Unit2 FY Luns ow BM LUN2 lun2 LUNG Cuna E a LUNS luns S 3 TIERS E TIER1 8 2 Ls n Disk 14 no Disk 1B no Disk 1C n Disk 1D n Disk 1E pad n Disk 1F Ss Disk 1G Figure 70 Current Zoning Configuration Screen The Edit Zoning function Figure 71 lets you change the mappings for the host ports Right Click on ZONING Icon __ ee toDisplay Menu Se oo00 1 192 168 10 1 ZONING i m Ob Edit zoning ay Figure 71 Zoning Menu 38 IBM System Storage DCS9900 Storage Manager Reference Guide Edit Zoning for DEMO 192 168 12 81 Using the Management Tool 3 Lun 002 lun2 x3 Lun 004 luna x Lun 005 lun5 3 Place Holder Figure 72 Edit Zoning Screen 1 The left pane Figure 72 contains the four 4 host ports and lists the external LUNS the right pane displays all the LUNS in the system Create New Mapping There are several methods to create a new LU
76. ll pause after it reaches the verify extent This parameter slows down the Verify operation so that it will not affect the performance of the system except in the case where it is set to 0 as described below Note that DELAY 0 will remove all delays so that the Verify operation will go as fast as possible however this will slow down the performance of the system This value is in 100 millisecond increments The range is 0 to 1000 Default setting is 30 Refresh Rate You may select the refresh rate for the Management Tool main screen Available settings are shown in the pull down menu Figure 68 Default setting is to update the screen every 2 minutes To immediately update the screen click the Refresh button IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool ki IBM System Storage DCS Storage Manager Fle Acton Monitor View Download Help ce Onen File E Save File A Refresh No Refresh w Ho Refresh E My Desktop DC50 DEMO 10 minutes 30 minutes 1 192 168 12 81 Uniti g wes OCS9900 2 192 168 12 82 Unit ES LUNs Figure 68 Refresh Rate Setting 2 5 Security Administration The IBM DCS9900 s dual level non host based security is maintained with scalable features including restricted management access and authentication against authorized listing No security software is required on the host computers Each authorized user will have its customized LUN identi
77. n orderly shutdown All hosts and users actively using the system should be safely shut down before using this command The system will halt all I O requests and save the data to the disks It will then ask if the disks should be spundown Disks should be spundown before they are moved The unit can be safely turned off after using this command NOTE Be sure to use Shutdown DCS whenever you need to power down the system for maintenance Shutdown flushes any data left in the cache and prepares the system for an orderly shutdown For dual configuration issue the Shutdown DCS command to both units 2 2 9 Setting the System Date and Time To display or change the system s date and or time select the Date Time function from the Action menu Figure 35 meu Monitor view Dowrnlo Restart DES Ctri E Shutdown DES Alb Shift X Date Time Ctri D Figure 35 Date Time Menu This dialog Figure 36 displays changes the current system date time A valid date format is mm dd yyyy A valid time format is hh mm ss System date time can be updated with local machine s date time periodically and when SSAM starts 18 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool Date Time Set Date Time OCSO EMO 192 168 12 61 O DCSO0 Eero 192 168 12 52 O Date Current date Enter new date Time Current time Enter new time Automatically update unit s Date Time with local machines Date Time
78. nable Disk Check Condition Notification Check Conditions in Total Check Conditions _ Enable Bus Parity Error Notification Upto 1 Bus Parity Error Emailis in 1 hour Enable Array Parity Error Notification Lp to Array Parity Error Emails in Enable Memory Error Notification Up ta Memory Error Emails in Include check conditions in the email alert Maximum number of check conditions in each email D ALL bo Disable Email alerts Append Notification Sender to Email Title Append Unit IP address DNS name to Email Title Figure 87 Email Alerts Screen IBM System Storage DCS9900 Storage Manager Reference Guide 2 6 2 Message Log Using the Management Tool All system events are logged and saved in non volatile memory The log will automatically roll over when it is full To display the log of previous system messages select Log from the View menu Figure 898 In the Log screen select the unit to display the corresponding log Figure 89 m Download Help E Log Check Condition Log Disk Defect List Stats System Uptime DCS Configuration Data Ctrl Ctrl Ctrl k Ctr Ctrl T Ctrl T SATAA TAAT ATT Figure 88 View Menu 00 00 25 TapDelay6 41 INT_CD INT_GH INT_AB INT_EF INT PS INT CD INT GH INT AB INT EF INT PS INT CD Perform DCC CC Sync DCC CC SYNC SEQUENCE gt State DCC CC SYNC SEQUENCE gt State INFO INT CD I
79. nds d Date Time Disk PLS Commands Uptime Host Commands Download Firmware B View Check Condition Log __ Dual Configuration z View Disk Defect List BEI i 4 View Spare List Heal Unit A USERS SelfHeal Unit F Network Properties E FAULTS Network Ping Restart DCS Shutdown DCS Shutdown Restart DCS Figure 93 Unit Menu num lost sync p num msgs per frame 1 p num ack frames sent p SUI LENSES SEP eae EN num retries removed o WHO BI TEMEER 528 num invalid acka p Mte z num double acks p PE ae B num mszsgs per frame S p num rec frame multiple LESEN UME d el ete i num retry failures p num mzgs per frame p dual hstd xmit chars p num msus per frame a p dual hstd rec chars p nium mags per frame p dc incoming seg cnt f num mags per frame Ol fo dc eutgoing seq ent f num mzgs per frame 11 Ethernet Messages sent p Mu cT EISE p Ethernet Messages received p TENES Ethernet Messages output fo See pee eae anode naei EN num mzgs per frame 14 p num node retries 1 p num mzgs per frame 15 p num node retries 2 p num msgs per frame 15 p Figure 94 Dual CCSTATS Screen 50 IBM System Storage DCS9900 Storage Manager Reference Guide Using the Management Tool 2 6 6 Disk Condition Log To display the condition log for all disks in the system 1 Select Check Condition Log from the View menu Figure 95 2 Select the unit Figure 96 The corresponding log is displayed Figure 97
80. nge is 1 to 128MBytes Default setting is 32 MBytes IBM System Storage DCS9900 Storage Manager Reference Guide 35 Using the Management Tool 36 Background LUN Verify Operations The LUNs Properties function Figure 66 lets you display and change the settings for background verify on all LUNs Figure 67 Right Click on Lent LUNs Icon T LUNs to Display Menu Add LUN q Adjust AV Settings Adjust Cache Settings Change LUN Label Format LUM zz Verify LUN Delete LUN H I LUM Properties View AV View Cache Settings view LUN Config view LUN verify Figure 66 LUNs Menu LUN Properties X r Extent This parameter sets the system verify extent value in MEntes Extent 128MEby 32 r Delay This parameter sets the system verify delay value in Millisecands Delay 0 1 0001f 2 feo Cancel Figure 67 LUN Properties Screen The Extent parameter sets the system Verify Extent value in Mbytes The Verify Extent determines how much data can be verified before the Verify operation must pause This parameter slows down the verify operation so that it will not affect the performance of the system Increasing the extent value will allow more data to be verified in a single pass The range is 1 to 128 Mbytes Default setting is 16Mbytes The Delay parameter sets the system Verify Delay value This value determines how long a Verify operation wi
81. nit 1 Resume All x LuNSQunsy 1 Unit 1 Stop All Unit 1 Pause All Unit 2 Pause All Unit 2 Resume All Unit 2 Stop All Figure 44 Format LUN Screen NOTE Each LUN is owned by the unit where it is created Hosts will only see the LUNs on the unit to which they are connected unless cache coherency is used A LUN must be formatted before it can be used This will perform a destructive initialization on the specified LUN by over writing all the data on the LUN with zeroes 1 Select the Format LUN function Figure 42 to format the LUNs after they are created 2 Select the LUN to be formatted from the list and click OK Figure 44 The screen will display the current percentage of completion The rate of format can be adjusted using the Delay and Extent parameters of the TIER properties see Section 2 4 3 on page 934 for more information Interrupting a LUN Format Operation If you need to interrupt a format operation for any reason use these functions at the LUN format Progress Monitor screen Figure 44 e Pause pauses all the format operations e Resume releases all the paused format operations e Stop aborts all the active format operations IBM System Storage DCS9900 Storage Manager Reference Guide 23 Using the Management Tool 2 3 2 24 Deleting a LUN WARNING This operation will erase all the data on the LUN To delete a LUN 1 Select Delete LUN from the LUNs menu Figure 42
82. nning low on resources IBM System Storage DCS9900 Storage Manager Reference Guide 31 Using the Management Tool Cache Segment Size Setting System performance can be optimized by changing the cache segment size to match the size of the host I O requests A large cache segment size may give better performance for large I O requests and a small cache segment size may give better performance for small I O requests For the best performance the cache segment size should be larger than the average host I O request size The cache segment size should not be changed during heavy I O conditions because the system will temporarily halt all I O requests while the changes are taking effect Valid segment sizes are 64 128 256 512 1024 and 2048 The default value is 128 To display change the current cache segment size setting select Properties from the IBM DCS9900 system menu Figure 58 Right Click on DCS System Icon to Display Menu 4 Adjust AV Settings View AV i Adjust Cache Settings View Cache Settings Adjust SMART Settings Adjust Spare Settings Adjust SES SES ID SES IO 0FF SES SHOW SES SHOWALL SES SHOWDEVICES Login Unit Remove DCS Rename DCS Dual Properties Figure 58 System Menu In the Properties screen select the new setting Figure 59 32 DCS Properties Cache Restart Click on button to restart cache Cache restart Cache Segment Size This parameter sets the cache segment size C
83. od condition The percentage of completion is displayed if the LUN is being formatted or rebuilt A status of Unavailable may result from multiple drive failures Ready GHS indicates that a spare drive has been successfully swapped for one of the drives in the LUN IBM System Storage DCS9900 Storage Manager Reference Guide 7 Using the Management Tool LS IBM System Storage DCS Storage Manager File Action Monitor View Download Help tf Open File Save File A Refresh No Refresh SS LUN 2 My Deskto E P Label lun2 HSTD Owner 1 Status Ready Capacity Mbytes 16 Block Size 512 Tiers 2 eS DCSO DEMO Unitz Unit2 Tier List SJ TierS amp amp Tiere H E DCS9900 1 192 168 12 81 unit1 amp E DCSO900 2 192 168 12 82 Unit2 i 3m BM Lun2 quz EY Luna dung s LUN 4 2 Label lund HSTD Owner 1 Status Ready Capacity Mbytes 48 Block Size 512 Tiers 6 Y LUNS luns amp 3 TIERs a USERs FAULTS Tier List Tieri Tier2 J Tier3 W Tier4 J Tier SJ Tiers Label lun5 HSTD Owner 1 Status Unformatted Capacity Mbytes 1119840 Block Size 512 Tiers 1 Tier List 8 Tier5 Figure 14 Logical Unit LUN Status Screen LUN Configuration The LUN Config function Figure 15 will display the configuration information about all the valid LUNs in the system Figure 16 Right Click on LUNs Icon to Display Menu L Adjust AV Settings l
84. ograms Highlights of Accomplishments Between 1990 and 2007 IBM s energy conservation efforts avoided more than 3 2 million metric tons of CO2 emissions through conserving 4 6 billion kilowatt hours of electricity and the use of 3 6 million MMBTUS of fuel These totals are calculated by adding the annual energy conservation savings reported by IBM First in our industry to set a specific PFC emissions reduction goal 1998 From 2000 to 2006 IBM reduced the PFC emissions from its semiconductor manufacturing processes by 55 BM exceeded its the World Wildlife Fund Center for Energy and Climate Solutions Climate Savers commitment by achieving an average annual reduction or avoidance of 5 796 in CO2 emissions between 1998 and 2004 BM exceeded its Climate Leaders goals at year end 2005 achieving an annual average reduction or avoidance of 6 296 in CO2 emissions from 2000 to 2005 and an absolute reduction in PFC emissions of over 50 over the same time period Annual corporate environmental reports released every year since 1990 U S Dept of Energy s Voluntary Greenhouse Gas Emissions Reporting for 13 years since inception Reported to the Carbon Disclosure Project for 5 years since inception 81 IBM System Storage DCS9900 Storage Manager Reference Guide e Independent verified greenhouse gas emissions through WWF Climate Savers Center for Energy amp Climate Solutions U S EPA Climate Leaders and Chicago Clima
85. opean Union Note This mark applies only to countries within the European Union EU Batteries or packaging for batteries are labeled in accordance with European Directive 2006 66 EC concerning batteries and accumulators and waste batteries and accumulators The Directive determines the framework for the return and recycling of used batteries and accumulators as applicable throughout the European Union This label is applied to various batteries to indicate that the battery is not to be thrown away but rather reclaimed upon end of life per this Directive Les batteries ou emballages pour batteries sont tiquet s conform ment aux directives europ ennes 2006 66 EC norme relative aux batteries et accumulateurs en usage et aux batteries et accumulateurs us s Les directives d terminent la marche suivre en vigueur dans l Union Europ enne pour le retour et le recyclage des batteries et accumulateurs us s Cette tiquette est appliqu e sur diverses batteries pour indiquer que la batterie ne doit pas tre mise au rebut mais plut t r cup r e en fin de cycle de vie selon cette norme Au T UJ amp el Mrs T U BOr u r i nk EU BRIT ARES dip ow fa 2006 66 EC OSAILAPAEMTCHET COSI uT U e EEH BE CE T U Eu Mdenzocdd of mii SRR ivt U LEE HOWE Ut m WT TEBUUDO46 4 g0Dc tEUsSBI 417 2cmmHEnmzY COIS emgdelruzof sLmerccoooNEZASEY SBEMHSCE HALES OAT CBSA T In accordance with the European Directive 2006 66 EC batt
86. or is not configured correctly The character r indicates that the disk was failed by the IBM System Storage DCS9900 Storage Manager Reference Guide 9 Using the Management Tool 2 2 4 10 system and replaced by a spare disk An exclamation mark indicates that the disk is in the wrong location A flashing n icon indicates that the disk has failed but has not been replaced by a spare disk A flashing amp ej icon indicates that the disk has failed and has been replaced by a spare disk Tier Configuration The Tier Config function Figure 18 will display configuration information about all of the tiers in the system Figure 19 Right Click on TIERs Icon et Display Menu eue Convert Tier Made EM Changemap Displaymap a i Disk Defect List A Disk List TEL Disk Rebuild af Tier Config l Tier Properties E O Tier Pause Unit 1 Tier Pause Unit 2 a t 5 Tier Resume Unit 1 P Tier Resume Unit 2 Tier Stop Unit 13 ai Tier Stop Unit 2 7 Disk Scan Unit 1 Disk Scan Unit 2 Figure 18 TIERs Menu TIER CONFIG for DEMO 192 168 12 81 192 168 12 82 Owner Capa Spac Disk Instal Healt Failed Repla Spar Spare Spar Spar Repla 1119856 1119548 ABCDE ABCDE ABCDE N ot amp va Mot Ava Not Ava 1119856 1119848 A DEF ABCDE A DEF BC ot amp va Mot Ava Not Ava 1119856 1119848
87. r Reference Guide m My Desktop EZ DESO PEMO uel ees Tier List Tier1 Configuration Examples Add LUN LUN Owner LUN Idi 127 Canfigured LUN List LUN Label up to 16 characters Ps Create a LUN Group Number of LUNs in groupiz 64 E LUM Capacitytin Mbytes Enter 0 to request all available capacity Number of Tiers Far LUMIT 8 E d Available TIER List Tiers Far LUM e g 1 2 3 1 LUN Black Size Figure 104 Add LUN Screen for LUN 1 Click OK The main screen is updated to show LUN 1 Figure 105 ExS LUN O Label HSTD Owner 1 Status Unformatted Capacity bytes 56 Block Size 512 Tiers 1 ws 0CS9900 1 192 168 12 81 Uniti ES LUN 1 Label HSTD Owner 1 Status Unformatted Capacity Mbytes 1119792 Block Size 512 Tiers 1 Qs DCS9900 2 192 168 12 82 Unit2 Tier List Tier1 cm ZONING S TIERS m USERS FAULTS Figure 105 Screen Updated to Show New LUN 1 To create LUN Z select the Add LUN function and enter the following information in the Add LUN screen Figure 106 e LUN Owner 1 LUN Id 2 LUN Label IBM DCS9900 Volume 3 for example Create a LUN Group No LUN Capacity leave it empty to use all available capacity Number of Tiers for LUN 1 Tiers for LUN 3 LUN Block Size 512 IBM System Storage DCS9900 Storage Manager Reference Guide 55 Configuration Examples f 8 9 56 LUM Gerner LUM Id D 127
88. replace the failed disk within your system with drives from your spare tier where available and then automatically attempt to rebuild the failed disk This feature is enabled by default however you may disable it Also based on the parameters you have set the rebuilding of the failed disk can start automatically or manually It is important to consider when and how you choose to rebuild a disk As mentioned in Section 2 3 2 of this document rebuilding a disk can slow down your system so choose your options carefully 4 2 Can t Launch the Management Tool There are a few reasons that you may be unable to run the Management Tool from your selected management workstation terminal Here are the most common issues e Your selected machine does not meet the system requirements needed to run the IBM DCS9900 Management Tool see Section 1 1 of this manual e You do not have the proper version of Java installed on the management machine To confirm your version type java version from your command prompt Java updates are free and can be downloaded from www java com see Section 1 1 for system requirements e Make sure that you are running the bat batch file from the location where you have unzipped the files If you created a shortcut on the desktop please ensure that the shortcut is pointing to the proper directory on the management machine e f you are running on a older version of Microsoft Windows such as Windows 95 or Windows 98 an
89. ress bar during download and will indicate when it has finished QD WARNING This requires Failing and restarting this unit Do you want to continue G M Figure 100 Download Firmware Confirmation 52 IBM System Storage DCS9900 Storage Manager Reference Guide Configuration Examples 3 Configuration Examples This chapter provides information on configuring a new system Examples given include e LUN creation e Cache configuration e Host port zoning and adding users NOTE The configuration examples provided in this chapter represent a general guideline and should not be used directly to configure your particular system 3 1 LUN Creation Given below is an example for creating three LUNs e LUN 0 on Tier 1 e LUN 1 on Tier 2 e LUN 2 on Tier 3 1 At the Management Tool main screen select Add LUN from the LUNs menu Figure 101 Right Click on LUNs Icon Ex LUMs to Display Menu Add LUM Delete LUM Format LUN LUM Config Properties Figure 101 LUNs Menu 2 At the Add LUN screen enter the LUN information Figure 102 For LUN 0 LUN Owner 1 LUN Id 0 only available LUN IDs are displayed LUN Label IBM DCS9900 Volume 1 Create a LUN Group No LUN Capacity leave it empty to use all available capacity Number of Tiers for LUN 1 Tiers for LUN 1 only available Tiers are displayed LUN Block Size 512 IBM System Storage DCS9900 Storage Manager Reference Guide 53 Configuration Ex
90. rior security for your SAN storage The System creates correspondence between users World Wide Name storage LUNs and permissions The system can store configurations for up to 512 users in total and the settings apply to all host ports Each authorized user will only have access to its own and allowed to share data according to its customized LUN identification scheme The Administrator can also restrict users access to the host ports and their read write privileges to the LUNS Click on the USERs icon tg to display a summary of the current settings for all authorized users Figure 76 IBM System Storage DCS Storage Manager mE BOIX File Action Monitor View Download Help nem F Lundoo S E Lunai Fa Luno i al Lundii fa LISERO Yukon x14 Ex mj Ba Lundoo 2 4 Lunoos m t LISER1 Yukon x16 E m Userl Yukon m t LISERZ Yukon x24 l I LIserz Yukon t LISER3 Yukon x2B H Lunon C Luno Ms Lunai S Luno1s 4 Lundoo S E Lunooz a Lundod Ez S Lunnna i Tm t USER A Zapata 14 m Users Yukon x25 Ba Lund E 4 Lund m Pup eam eee A Lunon S E Lunoos P m User4 Zapata x14 s t LISER6 Zapata x24 Ma Luno 2 Lunas t USER Zapata x2B F Lundoo S 4 Lun n m UserS Zapata x16 Lundo E Fs Lundis t USERS Zapata Ex zl 4 Lundoo S Lunoor t USERS Zapata m User Zapata x24 be t LISER10 Apollo ii m User Zapata
91. rver SMTP required authentication Consult your system administrator whether this option should be enabled User Name The login name you use to sign on to your email account on the server Password The password for the email account you entered above Notification Recipients List of recipients separated by commas this can include any email account cell phone or pagers with alpha numeric ability Test Email This button gives you the option to test your email notification settings to assure the notification will be delivered in the event of alert Email Title Enter the title for the notifications Enable Component Failure Notification Enable this option if needed Enable Disk Check Condition Notification Enable this option if needed and select your settings for the triggers Trigger 1 If enabled select the number of checks to perform in your specified time frame Trigger 2 If enabled select the number of checks to perform before notification is sent Include Check Conditions in the Email Alert Enable this option if needed and select the maximum number of check conditions in each email Enter exact number 0 or All Email Alerts Email Server postoffice xxxx xxx Notification Sender useri My outgoing server SMTP requires authentication Notification Recipients Seperate multiple recipients by comma Test Email Email Title Email Event Notification Enable Component Failure Notification E
92. s ALL LLINs LUN 100 Write Caching Enabled Max Prefetch 0 655351 Multiplication Factor Bit Prefetch Ceiling 0 65535 Read Priority Write Priority wW riEeback Limit Cache Size Cache Segments E T z a cr Cache Segment Size Cache Error Figure 113 Adjust Cache Settings Screen IBM System Storage DCS9900 Storage Manager Reference Guide 59 Configuration Examples 3 3 Host Port Zoning and Adding Users 3 3 1 Host Port Zoning One zoning configuration is supported for each of the host ports Any unauthorized user accessing the system will be considered anonymous and granted the Zoning access for the host port to which they are connected To display the current settings click on the Zoning icon Figure 114 Q IEM System Starage DCS Storage Manager File Action Monitor View Download Help wo Refresh h minutes v B My eski Porti Lun0 maps to Lun Read only 1 Lun maps to Lunt 2 E 2250 DEMO tni LAN itz Z3 Lun2 maps to Lun2 0 3 Lun3 maps to Lun2 1 Lung maps to Lun2 2 LunS maps to Lun2 3 Co eee cozacc 1 292 169 12 01 Crit ZONING Port2 zx Lund maps to Place Holder d ES 08 2 1 T2 nT BY Conil E Ports zu LunO maps to Lunt Read only 8 3 ERS 3ER3 Port4 Lun0 maps to Lun2 0 Read only 1 Lun1 maps to Lun2 1 3 Lun2 maps to Lun2 2 3 Lun3 maps to Lun2 3 Sa AULT Figure 114 Zoning Screen Given
93. s HSTD Owner 1 Capacity Mbytes 1119856 fi TIER 2 Space Available Mbytes 1119848 Disk Status ABCDEFGHPS E LUN2 lun2 5 a LUN List 3 Lun4 YS LUN dun A E D E E S ES LUNS duns Ss Ss Ss Ss Ss SS SJ i e HSTD Owner 1 Capacity Mbytes 1119856 lt 2 ppm S TIER 3 Space Available Mbytes 1119848 Disk Status ABCDEFGHPS m USERS LUN List 3 Lun4 ma FAULTS 2 s s 2 s 2 a HSTD Owner 1 Capacity Mbytes 1119856 TIER 4 Space Available Mbytes 1119848 Disk Status ABCDEFGHPS LUN List 3 Lun4 A B cC D E F G E S E E d d dy HSTD Owner 1 Capacity Mbytes 1119856 E TIER 5 Space Available Mbytes 8 Disk Status ABCDEFGHPS LUN List 3 Lun2 53 Luns Figure 17 Tier Status Screen A flashing icon indicates that a disk has failed but has not been replaced by a spare disk on that tier icon indicates that a disk has failed and has been replaced by a spare disk on that tier A flashing The right pane displays the ownership ofthe tiers the tiers total and available capacities the list of LUNs that are created using that tier and the disk status Disk Status shows the status of each disk on the tier A letter lt ABCDEFGHPS gt represents a healthy disk at that location A space indicates that the disk is not present nor has been detected A period denotes that the disk was failed by the system A question mark indicates that the disk has failed the diagnostic tests
94. s parameter sets the cache segment size Cache Segment Size kbytes 1024 vw Cache Coherency This parameter enables and disables the cache coherency CACHE COHERENCY Off v TIMEOUT This parameter will set the cache coherency timeout for cache node requests TIMEOUT 0 255s D Figure 53 Properties Screen Fail Restore the Partner Unit in the Couplet Pair To fail the partner unit in the system for example to perform maintenance select the Fail Unit function from the healthy unit Figure 54 The healthy unit will take ownership of all the LUNs tiers from the failed unit Dx ministrative Co mm Paes Date Time i Disk PLS Commands Uptime Host Commands Download Firmware View Check Condition Log Dual Configuration View Disk Defect List Dual Stats View Log Fail Unit Wew Spare List Heal Unit Stats Commands sefralunit 4 5s LUNS uns SeltHeal Unit Network Properties 4 TIERS Network Ping 3 Restart DCS 1 TERI 8 2 Shutdown DES as Shutdown Restart GCS i AZ Mick 14 Sanne STB Figure 54 Individual DCS Menu To restore the partner unit in the system to healthy status after failure recovery select the Heal Unit function Ownership of LUNs tiers are transferred back to the partner unit IBM System Storage DCS9900 Storage Manager Reference Guide 29 Using the Management Tool 2 4 Performance Management The IBM DCS9900 system offers great flexibility in optimizing performance with ext
95. states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to yOu This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements and or changes in the product s and or the program s described in this publication at any time without notice Any references in this information to non IBM web sites are provided for convenience only and do not in any manner serve as an endorsement of those web sites The materials at those web sites are not part of the materials for this IBM product and use of those web sites is at your own risk IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any performance data contained herein was determined in a controlled environment Therefore the results obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measurements will be the same on generally available systems Furthermore some measurement may have been Copyright IBM Corp 2008 80 Trademarks estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific
96. te Exchange Launched industries first Energy Efficiency Certificate EEC program with Neuwing Energy Ventures IBM s Environmental Characteristics of Products IBM has developed processes to ensure that its products and processes meet all applicable regulations including environmental and product legislation Meeting legislation is a minimum requirement for IBM and IBM is using requirements which may go even beyond the legislation How IBM Can Help You Go Green Hecently IT discussions of cost savings have evolved to concerns over energy efficiency Faced with the issue of an energy efficient data center businesses are looking for ways to optimize their computing environments to the benefit of their bottom line and our planet IBM believes the two efforts are complimentary IBM offers a comprehensive approach to helping businesses develop energy efficient and environmentally responsible green data centers We can answer your questions on how to get started and we are interested hearing about your own plans for a Green Data Center Please send a note to GOGREEN Q us ibm com so we can help provide you with additional information that matches your needs Additional Weblinks Corporate Energy and Climate Brochure http www ibm com ibm environment climate climatebroch nov2007 pdf IBM Project Big Green http www 03 ibm com systems optimizeit cost efficiency energy efficiency Active Energy Manager http www 03 ibm com
97. uild 27 syslog 16 syslog capability enabling 15 syslog packets IP address changing 16 syslog packets port number changing 16 system information 7 system performance 33 system performance statistics 33 T telnet capability enabling 15 telnet port number changing 16 TIER Properties 24 tier adding 15 configuration checking 9 configuration display 10 mapping mode selecting 13 ownership of 28 removing 15 status checking 9 view 9 tiers number supported 15 TIERs Properties function 34 Timeout parameter 28 time system time changing system 18 troubleshooting 69 U user Add USER function 65 adding new 42 example 64 delete a 43 display list of 42 edit information 44 edit mapping 44 summary 41 user connections list 67 USER List function 42 users passwords 2 USERS icon 41 V verify delay verify delay value 36 Verify Delay value 36 Index Verify Extent value 36 version Management Tool 21 W Windows versions 1 Windows installation on 1 world wide name 41 42 write cache mirroring 71 write cache mirroring definition 71 write caching definition 71 writeback cache setting 31 Z zoning create new mapping 39 Edit Zoning function 38 60 example 60 host port display 38 read only option 40 remove mapping 40 zoning configuration 60 Zoning icon 38 IBM System Storage DCS9900 Storage Manager Reference Guide 79 Notices This information was developed for products and services offere
98. uota ebur Shes REA LER IAEA pb wat ces 64 4 Ieoubleshoolng 45034552 4 659 durus divemU URS matta aate e op bep Sed 69 4 1 Drive Failure Recovery 00 cece eee eee nnee 69 IBM System Storage DCS9900 Storage Manager Reference Guide 4 2 Can t Launch the Management Tool 0 00000 eee 69 4 3 Can t Connect to the IBM DCS9900 eene 69 Appendix A Glossary uuuuuesessssesesee e 71 Index cor rte tuc Lu S E LE MAE AM RE LEA AC E 75 IBM System Storage DCS9900 Storage Manager Reference Guide About this Guide Preface About this guide This user guide contains information regarding features and functions of the IBM DCS9900 Management Tool It also provides step by step instructions on how to install the Management Tool on your host computer system and how to configure the system using the Management Tool NOTE While every effort has been made to ensure that all information in this document is accurate and up to date at the time of printing the Management Tool that you receive may include new features that are not covered by this user guide Access the Management Tool s HELP menu for Help topics not covered in this guide Who should use this guide This user guide assumes you have a working knowledge of your host operating system and its conventions as well as a working This guide assumes that you have a working knowledge of the SAS environment into which you are attaching the product If
99. wn above must not dispose of end of life EEE as unsorted municipal waste but use the collection framework available to customers for the return recycling and recovery of WEEE Customer participation is important to minimize any potential effects of EEE on the environment and human health due to the potential presence of hazardous substances in EEE For proper collection and treatment contact your local IBM representative Battery return program 83 This product may contain sealed lead acid nickel cadmium nickel metal hydride lithium or lithium ion battery Consult your user manual or service manual for specific battery information The battery must be recycled or disposed of properly Recycling facilities may not be available in your area For information on disposal of batteries outside the United States go to http www ibm com ibm environment products index shtml or contact your local waste disposal facility IBM System Storage DCS9900 Storage Manager Reference Guide For Taiwan In the United States IBM has established a return process for reuse recycling or proper disposal of used IBM sealed lead acid nickel cadmium nickel metal hydride and other battery packs from IBM equipment For information on proper disposal of these batteries contact IBM at 1 800 426 4333 Please have the IBM part number listed on the battery available prior to your call t BEE xL wA Please recycle batteries For the Eur
100. you do not have these skills or are not confident with the instructions in this guide do not proceed with the installation NOTE Notall information contained in the following sections will pertain directly to your particular product model About the Management Tool The Management Tool is a Java based GUI RAID client server application manager It provides a user friendly graphical user interface GUI for configuring and monitoring the IBM DCS9900 systems Getting Information Help and Service If you need help service or technical assistance or just want more information about IBM products you will find a wide variety of sources available from IBM to assist you This section contains information about where to go for additional information about IBM and IBM products what to do if you experience a problem with your IBM System Storage DCS9900 product and whom to call for service if it is necessary Support Information For online support information for your IBM System Storage DCS9900 product visit the following website www ibm com support For telephone support information in the United States contact IBM at 1 800 IBM SERV 426 7378 In other countries visit the following web site for support telephone numbers www ibm com planetaria Before you call Before you call make sure that you have taken these steps to try to solve the problem yourself Check all cables on your hardware to make sure that they are connect

IBM System Storage DCS9900 Storage Manager Reference Guide

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