IBM AIX-AK FZK 2005 User's Manual
Contents
1. Automatitcally moves robot control to another drive in case of a failure Available for 2582 3583 3584 Enabled as an option for IBMtape driver Check the proc scsi IBMchanger file Linux host AIX AK FZK 2005 2005 IBM Corporation IBM Systems Group Tape and Disk Connected to the Same HBA Possible but not recommended Use separate switch zone too One driver for all HBAs FZK 2005 2005 IBM Corporation IBM Systems Group Questions amp Discussion More Questions What are your customers needs Contact warmuth de ibm com FZK 2005 2005 IBM Corporation Systems Group ESS DS6000 DS8000 Resources Enterprise Storage Server interoperability matrix Subsystem Device Driver SDD Fibre channel host bus adapter firmware and driver level Additional supported configurations ESS host systems attachment guide http www storage ibm com disk ess ess800 supserver htm 4 http www storage ibm com disk ds8000 supserver htm http www storage ibm com disk ds6000 supserver htm FZK 2005 2005 Corporation IBM Systems Group DS4000 Resources DS4000 Storage interoperability matrix Fibre channel host bus adapter firmware and driver level Additional supported configurations http www ibm com servers storage disk ds4000 interop matrix html DS4000 Technical Support2. FZK 2005 2005 IBM Corporation
3. DS4000 Downloads http www ibm com servers storage support disk AIX AK FZK 2005 2005 IBM Corporation Systems Group LTO Resources LTO Compatibility Information LTO ISV Matrix http www storage ibm com tape Ito compatibility html LTO Downloads http www ibm com servers storage support Ito Itodownloads html ftp ftp software ibm com storage devdrvr Linux FZK 2005 2005 Corporation IBM Systems Group Redbooks Implementing Linux with IBM Disk Storage http www redbooks ibm com redbooks pdfs sg246261 pdf Linux with xSeries and FAStT Essentials http www redbooks ibm com redbooks pdfs sg247026 pdf Implementing IBM LTO in Linux and Windows http www redbooks ibm com redbooks pdfs sg246268 pdf Linux Clustering with CSM and GPFS http www redbooks ibm com redbooks pdfs sg246601 pdf Redbooks FZK 2005 2005 Corporation IBM Systems Group White Papers FAStT and Linux HowTo http www ibm com developerworks eserver articles install fibre index html FAStT and RH AS Cluster http www ibm com servers esdd articles redhat index html ESS Attachment to United Linux 1 32 http www ibm com support docview wss uid tss 114101235 http w3 ibm com support techdocs atsmastr nsf WeblIndex TD 101235 Addendum to the Solution Assurance Process http ulrich walter de userv ibm com portal htm FZK
4. 2005 2005 Corporation IBM Systems Group Legal Notices Both Linux and Storage are rapidly changing environments This information is presented as is without any warranty of any kind Customers are responsible for determining the suitability to their respective environments Only a representative subset of the IBM offerings are presented here Products not mentioned should not be interpreted as a lack or withdrawal of support of those products Information concerning non IBM products was obtained from a supplier of these products published announcement material or other publicly available sources Questions on the capability of non IBM products should be addressed to the supplier of those products Some information in this presentation addresses anticipated future capabilities Such information is not intended as a definitive statement of a commitment to specific levels of performance function or delivery schedules with respect to any future products Such commitments are only made in official product announcements All statements regarding IBM future direction and intent are subject to change or withdraw without notice and represent goals and objectives only The information is presented here to communicate IBM s current investment and development activities as a good faith effort to help with our customers future planning Contact your local IBM business contact for details on specific products programs or servic
5. 60 Element Information 61 Position To Element 62 Element Inventory 63 Exchange Medium 64 Move Medium 70 Dump Device 71 Force Dump Back To Main Menu FZK 2005 2005 IBM Corporation Censral Commences Hs 8 dis 25 Medium Changer 527 66 68 69 Sms LOG Senge Page Mode Sense Page Switch Tape Changer Device Create Special Files Query Driver Version Commands Load Unload Medium Initialize Element Status Prevent Allow Medium Removal Initialize Element Status Range Read Device Identifiers Commands 127 Load Reset Drive Systems Group Use LTO Devices Native tools mt mtx IBMtapeutil applications cpio tar taper afio 3 party applications All major backup solutions available for Linux Attention some are only tested with parallel SCSI attachment Check ISV Martrix for LTO FZK 2005 2005 Corporation IBM Systems Group Native Library Management Linux tool for media changers mtx Linux host Media changer is addressed through SCSI generic device dev sq internal SCSI disk not relevant here dev sgl 1 SCSI tape drive dev sg2 tape robot media changer dev 893 2 SCSI tape drive FZK 2005 2005 IBM Corporation IBM Systems Group Medium Changer Failover
6. FZK 2005 2005 IBM Corporation IBM Systems Group Multipathing Scenarios Multipathing scenarios AIX AK FZK 2005 2005 IBM Corporation IBM Systems Group Multipathing Concepts FZK 2005 2005 IBM Corporation IBM Systems Group LUN Transfer to Alternate Controller DS4000 transfers LUNs to alternate controller Volumes are owned by one controller Volumes can be accessed through both controllers Volume ownership is always transferred to the controller that is used for volume access gt transfer time approx 1s Two multipathing solutions available QLogic failover driver uses Difficult to configure Potential LUN thrashing RDAC uses inband communication Self configuring Suitable for data sharing scenarios FZK 2005 2005 Corporation Systems Group LUN Thrashing Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 HBA 1 A AIX AK FZK 2005 2005 IBM Corporation Systems Group LUN Thrashing Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 HBA 1 A AIX AK FZK 2005 2005 IBM Corporation Systems Group LUN Thrashing Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 HBA 1 A AIX AK FZK 2005 2005 IBM Corporation IBM Systems Group Multipathing with RDAC Must use QLogic non failover driver Always uses current
7. INE AIX AK April 2005 ase IBM Storage with Linux 2005 Systems Group Topics What is supported The Linux SCSI subsystem Linux Kernel version 2 6 Multipathing scenarios Tape specifics AIX AK FZK 2005 2005 IBM Corporation Systems Group What 15 Supported What is supported FZK 2005 2005 Corporation IBM Systems Group IBM Storage Support for Linux Enterprise Storage Server made in P Storage Servers Linear Tape Open X 4 Network Attached Storage Enterprise Storage Virtualization FZK 2005 2005 IBM Corporation Systems Group pLinux Support Disk ESS 51 58 51 59 RH EL SDD available JS20 p5 and OP SLES9 RH EL 3 Remote boot supported DS6000 DS8000 SLES8 SLES9 RH EL 3 SDD available JS20 SLES8 SLES9 RH EL 3 p5 and OP RH EL 3 only Remote boot supported DS4000 SLES8 SLES9 RH EL 3 Emulex Multipulse driver for multipathing SLES 9 single path only Remote boot with JS20 others require RPQ AIX AK FZK 2005 gt 2005 IBM Corporation IBM Systems Group pLinux Support Tape LTO SLES 8 SLES 9 RH EL 3 Data Path for 3584 and Media Changer failover supported 359x SLES 8 SLES 9 RH EL 3 Data path failover supported for 3592 Parallel SCSI at
8. X AK FZK 2005 2005 IBM Corporation IBM Systems Group Wellknown Linux SCSI Limitations Limited Up to 256 Up to Up to 32 tape Gaps in L Limited on th Device re c FZK 2005 2005 Corporation IBM Systems Group Other Problems and Pitfalls Multiple LUN support of RH EL DS4000 Specific QLogic failover driver configuration Potential LUN thrashing UTM Access LUN ESS 056000 058000 Specific SDD and LVM ext3 Mounting PPRC targets 0 6000 Preferred Path FZK 2005 2005 Corporation Systems Group File System Ext or block size Ext er Ext3 2 kh block size Ext2 or Ext3 id kB block size Ext or Ext3 i8 block size systems with 8 pages like Alpha ReiserFS 2 5 ReiserFS 3 6 under Linux 2 4 AES IPS 512 byte block size IPS 4 kB block size 2 client side MPSS client sidet File Size Byte 23 decl 238 6 211 2 215 64 222 4 GE 290 1 263 8 293 8 EB 263 5 3 p 263 is Large filesystems support File System Size Byte 291 2 243 rH 2 16 TH 255 32 TH rH zH 16 263 a EB 239 812 252 4 253 EB 263 a EB Linux Kernel Limits file size 2 TB 2441 bytes Max file system size 8 ZB 2 73 bytes AIX AK
9. ZK 2005 2005 Corporation IBM Systems Group Preferred Path Shared Data Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 HBA 1 DS6000 AIX AK FZK 2005 2005 IBM Corporation Systems Group Preferred Path Shared Data Scenario Linux host 1 Linux host 2 0 1 0 1 FZK 2005 2005 Corporation Systems Group Preferred Path Shared Data Scenario Linux host 1 Linux host 2 HBA 0 1 0 1 FZK 2005 2005 Corporation Systems Group Preferred Path Shared Data Scenario Linux host 1 Linux host 2 0 1 0 1 FZK 2005 2005 Corporation IBM Systems Group Host Ports Independent of Controller ESS and DS8000 have independent host ports Volumes are owned by one controller All host ports can communicate with both controllers Dynamic load balancing across all ports possible FZK 2005 2005 Corporation Systems Group Independent Host Port Shared Data Scenario Linux host 1 Linux host 2 0 1 0 1 0 8000 FZK 2005 2005 Corporation Systems Group Independent Host Port Shared Data Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 1 0 8000 FZK 2005 2005 Corpora
10. es The following are trademarks or registered trademarks of the International Business Machines Corporation AIX AS 400 AS 400e CICS DB2 DB2 Universal Database e business logo Enterprise Storage Server the eServer logo ESCON FlashCopy IBM Intellistation iSeries Magstar Modular Storage Server MQSeries Netfinity NUMA Q OS 390 OS 400 Parallel Sysplex pSeries RS 6000 S 390 SANergy Seascape Sequent Sequent logo SP SP2 SSA StorWatch Thinkpad Tivoli Tivoli Storage Manager Ultrastar WebSphere xSeries zSeries Microsoft Windows Windows NT and the Windows logo are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation UNIX is a registered trademark licensed exclusively through the OPEN group LINUX is a registered trademark of Linus Torvalds Java and all Java based trademarks and logos are trademarks of Sun Microsystems Inc Red Hat the Red Hat Shadow Man logo RPM and all Red Hat related logos are trademarks or registered trademarks of Red Hat Inc Caldera Systems the C logo SCO and related logo are trademarks or registered trademarks of Caldera Systems Inc Turbolinux and lightning bolt logo are registered trademarks of Turbolinux Inc SuSE and SuSE lizard logo are trademarks of SuSE Inc Linux is a registered trademark of Linus Torvalds Other company product and service names may be trademarks or service marks of others
11. path as reported by DS4000 RDAC installation FC driver must be installed and loaded Atleast one LUN must be assigned and available Must use Host Type LNXCLS AVT turned off Must update boot loader configuration Must run mppUpdate after each configuration change Updates RDAC configuration files Rebuilds Initial RAMDisk FZK 2005 2005 Corporation IBM Systems Group RDAC Shared Data Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 A AIX AK FZK 2005 HBA 1 2005 IBM Corporation IBM Systems Group RDAC Shared Data Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 HBA 1 A AIX AK FZK 2005 2005 IBM Corporation IBM Systems Group RDAC Shared Data Scenario Linux host 1 Linux host 2 HBA 0 HBA 1 HBA 0 HBA 1 A DS4000 AIX AK FZK 2005 2005 IBM Corporation IBM Systems Group Preferred Path DS6000 uses concept of preferred path Volumes are owned by one controller Volumes can be accessed through both controllers Data is transferred to and from owning controller to requesting controller internally gt performance penalty SDD knows preferred path automatically Access only through owning controller if possible Dynamic load balancing across ports of preferred controller Other multipathing solutions theoretically possible but must still be configured manually F
12. tachment also supported Advanced IBMtape device driver IBMtapeutil FZK 2005 2005 IBM Corporation IBM Systems Group The Linux SCSI Subsystem The Linux SCSI subsystem FZK 2005 2005 Corporation IBM Systems Group Linux Device Addressing i root 1 coor 1 roor wr 1 1 1 AIX AK FZK 2005 2005 IBM Corporation disk disk disk 18 SET Slc disk 96 22 2003 03 14 2003 03 14 2003 03 14 2003 03 14 21105 03 14 2103 03 14 2103 03 14 14 14 14 14 14 14 s O7 207 50 7 0 7 5 0 7 807 dev sda dev sdal dev hda dev stO dev st0a 01 Systems Group Design User Space Kernel Space IBMTape upper level char device IBMtape o mid level lower level IEEE Parallel SCSI SAN C FZK 2005 2005 Systems Group Linux Kernel Version 2 6 Linux Kernel version 2 6 FZK 2005 2005 Corporation IBM Systems Group Storage Changes in Linux Kernel 2 6 ncreased number of SCSI devices Persistent device names Improved hotplugging Native multipathing LVM 2 Improved I O performance Larger devices and filesystems AI
13. tion Systems Group Independent Host Port Shared Data Scenario Linux host 1 Linux host 2 0 1 0 1 0 8000 FZK 2005 2005 Corporation IBM Systems Group Tape Specifics Tape specifics FZK 2005 2005 Corporation IBMtape driver Daemon IBMtaped IBM Systems Group Kernel module IBMtape o Required to utilize all LTO capabilies Provides new devices and ioctl Manages medium changer failover For download as binary rpm package G F te Wis Go G W FW CENS EW CAWN OW FWS CAWS EW CW FZK 2005 2005 IBM Corporation TOOR 1 1 1 20618 NDMC 7 ls 1 dev IBM LOOM LOOK BOO COOL BOOR 25 51 2535 2935 253 215557 2526 126 255 Bee 25 11 25 11 25 11 pl 25 11 dev IBMchangerO0 dev I 1 dev I dev I BMtape 0 BMtapeO0 BMtapel BMtapel n n IBM Systems Group IBMtape Util For download as source code Exerciser tool Software example Build and install using make Provides BMtapeutil 1 Open a Device 2 Close a Device 4 Test Unit Ready 5 Reserve Device 6 Release Device 0 Quit IBMtapeutil IBMtapeconfig
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