HP TapeAssure Service Software User's Manual
Contents
1. P root sxe3204 Leeks EY NOTE Ensure that permissions on the install directory allow writing files 5 Change directory to the location of the extracted files For example cd usr local sa_tapeassure agent 6 Configure the service by executing the Sa_TapeAssure utility in the install directory using the c option At the prompt enter the configuration parameters a IP address of the Command View TL management station b Port number of the Command View TL management station Polling interval in minutes to check for tickets The default is 60 minutes A d HP LTFS ticket store directory Default is var logs A blank entry leaves the configuration value unchanged For example r 2 root sxe3204n usr local sa tapeassure agent ETEN Ef NOTE If Command View TL is not operating the tickets will be stored on the server ready to be sent to Command View TL when it is available 7 Start the service using the Sa_TapeAssure utility with the s option root sxe3204n usr local sa tapeassure agent 12 Installation and configuration 8 Verify that the service is running by executing Sa_TapeAssure with the D option ep root sxe3204n usr local sa tapeassure agent deh Downloading and installing Command View TL The installation of Command View TL is covered fully in the HP StorageWorks Interface Manager and Command View TL user guide2. O verve Ul f d Ores pent ETTE Estimated Host Write Compression or Hostname Transfer Rate Ratio Ratio via HJ19520000 HPLIOSOHFC NELIFS 140 7 Miveec nat 11040 1 21 201 120 0 Mirec i VA uttiten OMY HELIOS OHSAS HELIFS 56 6 Mirec net 480 060 1 11 151 40 1 Meee GB f d Onto Tapes E Cortert Mp rent GE utnzsten Dis CGeoreg Tapes Fr El fa operatora ee To verify each step of the process 1 Verify that the HP LTFS driver is installed correctly and running 2 Verify that the following directories are in the install directory configuration logs utils 3 Verify that the TapeAssure LTFS service is running Use the Sa TapeAssure utility with the a option and verify that the status is Running 4 Verify that the tickets are being received by Command View TL even if the drives are not shown in the user interface by checking for the ticket in the Command View TL das_0 1og file a On the server running CommandView TL open the file C Program Files Hewlett Packard Command View TL log das_0 1log ina text editor such as Notepad b Look for an entry showing that the ticket was received EY NOTE For a full set of installation checks see Chapter 5 page 27 14 Installation and configuration Reed Compression Bodie Yruneter Last Semple Time Tue May 10 11 3239 2011 Tue May 10 16 26 24 2011 About using Command View TL with the TapeAssure service Command
3. and Windows NT are U S registered trademarks of Microsoft Corporation TapeAssure is a registered US trademark of Hewlett Packard Corp UNIX is a registered trademark of The Open Group Contents TTI ENER 7 EEE EE T E 7 FM eee a E A E e E A A E E E 7 PCT REE SE AER ENE EE eae Maan sna e 8 SUP POMS COMM EEE EEE EEES riie iniiai i oaia keisinan 9 Trees vere SE ar 9 Comparing TapeAssure and LET sncsaccessavecsusarinceiteuniddverecyncevevenstamesawebesatetareteraatsmaeiadices 10 gate ete and conmigon ion we ces aetesec seis nconctectentenecenacesteta canapeedenaeen 11 Downloading installing and starting the TapeAssure LTFS service ccsscceesceeeteeeseeeseeeeeseeeeeeeees 11 Downloading and installing Command View TL ccssciccnsaannudenvessnnedassbiailacansalaieasiiousnennnesuansdaauncniihs 13 Reporting errors and logs accasusaiaccsdneanddaneennintaninhuinenledpedion pindlbnsanliuaedatainbeaeadiar Risener iaaetanesiataceaninns 13 Verifying the installation sessioni ssc Sateen sh deat OT OE E E 13 About using Command View TL with the TapeAssure Service cccceecceeeeseeeeeeeeeeeeseeeeceeeeensseeeeaes 15 About the Command View TL Library Selection screen ccccesseceesseeeseneeeeseeeeeesseeeeeneeeenseeenenaes 15 TapeAssure OVERVIEW EEE 15 Library and serial number information aausrmssuavdkamksn e naud duadvinind ve 16 About the operation of the TapeAssure LTFS service cccccccccceseeecenceeceseeeeceaeeesseaeeec
4. 0 oo 00 80 Fri Ma 1913 6015 2 Tape capacity used is shown as a percentage different cartridge types have different absolute capacities and is the capacity used at the time of the last sample With all your tapes listed in a table it is quick to compare across all your tapes If capacity used is lower than expected you may be able to adjust your backup jobs to make more efficient use of your tapes The Data Written and Data Read columns show how much data was written or read during the sample period which shows how much use or re use of the tapes were made in that period 3 To change the sample time click on the Actions pull down list 4 Select the desired sample time and click OK Conducting a utilization assessment The overall figure for drive utilization is calculated by multiplying the performance achieved as a percentage of the drive s maximum native rate by the time based utilization For example e An HP LTO 4 Ultrium 1840 has a maximum native media rate of 120 MB s If the actual native rate achieved is 30 MB s that is a performance achievement of 25 If the time based utilization shows 20 combining these together gives you an overall utilization of 20 x 25 5 These are typical figures showing just how much potential extra utilization is available Note that assessing overall utilization is currently a manual process and not shown directly in the HP TapeAssure user interface About email alerts Comm
5. Health o Overview l Bi Orves v Actions 5 da Fitter eset GERT CRETIN i v FFS VF Performance ur z AveiwEZWS 206049 DEC7390 HPLTO4 00 OC 993 554 he tape st i BE buster C aves OEM27 HINC DEC7390 TIKLT OG 793 OG 970 5904 BiG Taree C Avain 106080 gowen2 HPLTO 4 OG 832 OG 87 4 O495d O Prevertative Heath O avsist OEMIS H731C4 DEC7390 HPLTO 4 O 955 OG 997 05960 AE Lettzation C avais ne 204035 gower HPLTO S 953 OG 997 405d D Operations C avelsl EZ 208057 3619 0122 HPLTO 4 O 975 100 0 Od Davsisirto 223044 gower2 HPLTO S OG 98 1 OG 995 575d C avaawEzwe 207042 gower6 HPLTO4 982 O 999 04550 The types of drive health information displayed in the TapeAssure tab are Read write life remaining the expected read write life remaining of the tape shown as a percentage of the expected life assuming HP recommended environmental conditions and usage This is based on the amount of tape that has passed over the drive heads and com pared with HP recommended tape usage limits If the read write life reaches 0 the tape should be retired EY NOTE Note that this is independent of the quality of the data written HP recommends that you not over use your tapes Load unload life remaining the expected load unload life remaining of the tape shown as a percentage of the expected life bas
6. Read Quality or Hostname GB19340569 HP LTO 5 FH S gowen2 last 542 0 GB GB19290344 HP LTO 5 FHF gowen6 last 147 0 GB na HU18051B18 HP LTO 4 HH 3619 0122 last 131 0 GB last 131 0 GB HU1735042F HP LTO 4 FH 5 DEC73903B3 last 770 0GB last 520 0 GB HU180S1ABC HPLTO 4 HH gowen2 last 639 0 GB last 293 0 GB About the operation of the TapeAssure LTFS service The TapeAssure LTFS service is implemented as a daemon that can be started and stopped using the Sa_TapeAssure utility under the installation directory TapeAssure transports tickets to Command View TL that are pulled by HP LTFS when a tape is unmounted The TapeAssure LTFS service is configured to check for available tickets at 60 minute intervals by default You can change this configuration to match the unmount frequency Processing overhead is very low so extending the check interval is not necessary for performance reasons It is important that the tape is not unloaded manually because it will confuse the LTFS driver and not result in a pulled ticket LTFS will normally set Prevent Media Removal to ensure this doesn t happen but power cycles and force eject can still override this Only an LTFS controlled unmount will result in a ticket that can be sent to Command View TL Some of the calculations from the tickets are estimates so writing more data between unmounts results in more accurate TapeAssure data For this reas
7. 2 20 31 59 2010 EAB Operations Check the Media Transfer rate Also known as the native transfer rate this is the rate at which the drive writes data to the tape after compression If the drives are being used at their maximum speed then this rate will line up with the native speed specifications for the drive If the drive is not operating at its maximum media transfer rate then there is a potential opportunity to make better use of the drive s performance Check the Estimated Host Transfer Rate to see what data rate the drive is experiencing from the host This is the media transfer rate multiplied by the compression ratio but it is useful to know the data rate from the host point of view This is the actual data rate of the data being received from the host to the drive and is the rate most under your control If these data rates are lower than expected the data from this screen give you the evidence needed to examine the data path between the source data and the host interface of the drive There is nearly always a significant opportunity to make better use of the high data rates the tape drives can accept though the solution is not necessarily straight forward Bottlenecks could be caused by e The source disks The SAN The host server e The host bus adaptors HBAs or other devices consuming bandwidth etc Using TapeAssure You can also use the data to see what compression ratios are being achieved This is not
8. Element Blue text Table 1 Cross reference links and e mail addresses Blue underlined text http www hp com Website addresses Keys that are pressed Text typed into a GUI element such as a box Bold text GUI elements that are clicked or selected such as menu and list items buttons tabs and check boxes Italic text Text emphasis File and directory names esi System output Monospace texi Code Commands their arguments and argument values Code variables Monospace italic text P r Command variables Monospace bold text Emphasized monospace text WARNING Indicates that failure to follow directions could result in bodily harm or death A CAUTION Indicates that failure to follow directions could result in damage to equipment or data O IMPORTANT Provides clarifying information or specific instructions EY NOTE Provides additional information TIP Provides helpful hints and shortcuts 34 Support and other resources HP product documentation survey Are you the person who installs maintains or uses this HP storage product If so we would like to know more about your experience using the product documentation If not please pass this notice to the person who is responsible for these activities Our goal is to provide you with documentation that makes our storage hardware and software products easy to install operate and m
9. HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide This document provides information about the HP StorageWorks TapeAssure LTFS service which makes it possible to monitor the health and status of your standalone Ultrium tape drives This guide is intended for storage and system administrators who monitor and manage tape devices in HP LTFS installations Part Number EH957 90937 Second edition August 2011 Legal and notice information Copyright 2010 2011 Hewlett Packard Development Company L P Confidential computer software Valid license from HP required for possession use or copying Consistent with FAR 12 211 and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein http www hp com go storagewarranty Intel Itanium Pentium Intel Inside and the Intel Inside logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries Microsoft Windows Windows XP
10. View TL is a web based application that usually runs on a separate server than the backup server Your organization might already have an installation of Command View TL for existing HP EML or ESLe libraries If so this can be used for the TapeAssure service provided it is running the latest firmware EY NOTE HP recommends using a single Command View TL management station for all TapeAssure monitored systems Command View TL is a large Java based application and can take up to five minutes to initialize and launch Using HP TapeAssure in Command View TL does not require a license The Command View TL license covers advanced library features which are not related to TapeAssure functionality About the Command View TL Library Selection screen When Command View TL starts it displays the Library Selection screen which displays information about libraries Fiamma Hemaoement Staion License Key Summary Tapeneeure Support Library Selection v actos amp Library Health Model Contact Network Name Status Humber of El TapeAssure Collector For MSL on 16 26 8231 ba MSLv1 flx7e77at emea hpocorp net Ready to Manage 0 MSL on 16 26 8 99 E MSLv1 fhc104e8d emea hpgcorp net Ready to Manage 0 Click the TapeAssure tab to view the TapeAssure data If the installation is only for the use of the TapeAssure service the other tabs can be ignored they are provided for library specific features TapeAssure overview Th
11. aintain Your feedback is invaluable in letting us know how we can improve your experience with HP documentation Please take 10 minutes to visit the following web site and complete our online survey This will provide us with valuable information that we will use to improve your experience in the future htto www hp com support storagedocsurve Thank you for your time and your investment in HP storage products HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 35 36 Support and other resources
12. and View TL enables you to set up and receive email alerts about any performance or utilization data For more information see the HP StorageWorks Interface Manager and Command View TL user guide Although not covered in this document alerts are an extremely valuable part of TapeAssure because they provide hands off monitoring of your tape drives and tapes 24 Using TapeAssure 4 Uninstalling the TapeAssure LTFS service Under the installation directory locate and execute the Uninstall executable giving the install directory asa parameter For example UnInstall usr local sa tapeassure agent Are you sure that you want to uninstall the Sa TapeAssure product y n y Uninstalling the Sa TapeAssure product from install directory usr local sa tapeassure agent Sa TapeAssure uninstalled successfully HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 25 26 Uninstalling the TapeAssure LTFS service 5 Troubleshooting the TapeAssure LTFS service The TapeAssure service requires the following processes to be working Ticket pulling via HP LTFS Sending tickets to Command View TL e Receiving accepting and processing tickets into the Command View TL database e Presenting the TapeAssure data via the Command View TL GUI The following checks guide you through a full verification of these processes enabling you to diagnose issues HP recommends that you follow them in the order listed one compatibility Verify t
13. and configuration EY NOTE These instructions assume that HP LTFS is already installed on the server For instructions on installing HP LTFS see the HP LTFS user guide available at http www hp com go Its Using TapeAssure with drives connected to a computer running a Linux or Mac operating system and managed by HP LTFS requires installation of two components the TapeAssure LTFS service and Command View TL Command View TL receives stores and analyzes the tickets and then displays the results through its browser based user interface Downloading installing and starting the TapeAssure LTFS service EY NOTE You must be logged in as root to install the TapeAssure LTFS service To download install and start the TapeAssure LTFS service 1 Download the TapeAssure LTFS service from www hp com go tapeassure a Navigate to the correct download for the required operating system b Download the install package 2 Extract the installation file from the Sa TapeAssure Package tar file package For example tar xvf lt Package tar file name gt lt Destination directory gt 3 Change directory to the directory of the extracted files For example cd usr local satapeassure install HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 1 4 Execute the Installer script For example Installer lt Install directory gt lt Extracted tar file gt In usr local satapeassure install
14. available from http www hp com support cvtl Command View TL is an enterprise library focused web based application and the use with HP TapeAssure is for only a subset of its full capabilities Reporting errors and logs The TapeAssure LTFS service provides the following output files as well as STDOUT Two files are located under logs in the install directory and can be viewed with any text editor e SA TapeAssure_Service_error for errors encountered during operation SA TapeAssure Service log for logging TapeAssure LTFS service activity Verifying the installation HP TapeAssure LTFS service requires the SA TapeAssure Service daemon to be running To verify that the service is running e Execute Sa TapeAssure d and verify that the status is RUNNING The simplest way to verify that the service is running and tickets are getting to Command View TL is to perform a normal write and unmount sequence and use the Command View TL user interface to verify that the data has been received 1 Mount a tape using HP LTFS 2 Write data to that tape 3 Unmount the tape 4 Wait for the service polling interval which is 60 minutes by default Alternatively you can stop and re start the TapeAssure service 5 Click on the Command View TL TapeAssure Drives Performance tab and verify that the drive serial number appears in the list HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 13 O Roady LB twotsnze a
15. ce HP TapeAssure requires the following configurable entities to be set e CVTL Management Station IP IP address of the Command View TL management station Port number as configured in Command View TL Polling interval time interval for checking for updated HP LTFS tickets in minutes Default is 60 minutes e Ticket store directory name of the directory in which HP LTFS is configured to place tickets D d Displays the status of HP TapeAssure service along with statistics and configuration parameters 1 Status indicating whether the service is Running or Stopped Command View TL management station IP address Command View TL management station port number Configured polling interval wb wnr Comfigured ticket store directory name HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 31 6 Number of tickets sent to the Command View TL management station since the last reset installation of the HP TapeAssure LTFS service 7 HP LTFS version information 8 Total disk space occupied by the log file and error file in MB R r Resets the counter for the number of tickets sent to the configured Command View TL management station This counter indicates the number of tickets sent since the last reset or installation of the HP TapeAssure LTFS service Zz Selectively clear the log or error file Use the interactive options to specify the file to be cleared V v Selectively view the log o
16. ckets Joe a Go st _HPURrium_3 SCSI_20100308_012129_HU10829761 td i Ba pian 3 20 D1 I A 111KB LIDFile 08 03 2010 02 23 f lmi st HPUkrium 3 5CSI 20100308 032129 HU10829761 kd 111KB LTDFile 08 03 2010 03 23 i E st HPURrium 3 SCS1 20100308 042129 HU1082976L kd 111K6 LTDFile 08 03 2010 04 23 E st HPURrum 3 5CSI 20100308 052129 HU10829761 kd 111KB LTDFile 08 03 2010 05 23 E st HPURrium 3 5CS1 20100308 062129 HU10829761 kd 111KB LTD File 08 03 2010 06 23 Tickets in this directory are not transient so it is good practice to check this folder occasionally to see if there are any new tickets which may indicate issues in the ticket processing process that should be followed up by going back through the checks above 30 Troubleshooting the TapeAssure LTFS service 6 About the Sa_TapeAssure utility Synopsis Sa_TapeAssure sScCvVzZtTdDrRhHh Description Sa_TapeAssure is a utility to manage the following functions of the HP TapeAssure service Configuration of the service Selective viewing and clearing of log error files Starting and stopping the service e Displaying the status of the service and statistical information Options SS s Starts the HP TapeAssure Service The HP TapeAssure Service is started as a background process T Stops the HP Tape Assure Service The HP TapeAssure Service process is killed with a signal from the SA_TapeAssure utility C c Configures the HP TapeAssure Servi
17. d use of standalone HP Ultrium tape drives available through the HP TapeAssure dashboard in Command View for Tape Libraries Command View TL MI 920000 HPLTOS MNFC POLIFS 148 7 Meee lest 11040 131 201 1200 Mirec Tue May 10 41 30 39 2011 Busan G019420727 HELIOS OHSAS HELIFS 96 6 Moe art 498 000 1 11 151 40 1 dre Tu May 10 1625242011 a E gt Features HP StorageWorks TapeAssure service collects operational data for the standalone tape drives and tapes being monitored The data is sent to and stored in the Command View TL database and can be viewed using the Command View TL GUI through a health performance and utilization dashboard that includes the following components Drive Health write read quality levels key drive life indicators and any service actions Drive Performance host and media transfer rates and compression ratios Drive Utilization the time the drive is in use as a percentage Tape Health effective capacity key tape life indicators and any service actions Effective capacity is a key measure of the health of the drive and tape combination The data is always written at high quality but using more tape to write the data if there are write issues making effective capacity a better measure of tape health than raw error rate Tape Utilization write and read data volumes and capacity used Detailed information about each specific drive and tape is available from its properties pag
18. e which is accessed by double clicking the appropriate row on the dashboard Benefits The information provided by HP TapeAssure enables you to Make the best use of your equipment including the ability to Know the usage levels of each drive and whether the drives are kept streaming Know which tapes are being used and how much capacity remains e Measure performance and utilization so you can tune the configuration of your systems to make best use of your investment HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 7 e Reduce total cost of ownership TCO through better utilization and reduced need for unused capacity e Justify capacity increases with real data about usage e Maintain equipment with minimum disruption by Knowing the remaining expected life of drives and tapes and planning ahead for possible maintenance and replacement Finding out the health of drives and tapes and about issues before hard failures occur e Receiving proactive advice on corrective actions Finding out about the quality of backup data and its viability for long term storage Receive timely warnings and take pre emptive action for any real issues e Reduce total cost of ownership through reduced downtime and disruption Although these are normally considered enterprise features they apply equally to all applications of tape based backup and are therefore available with all HP LTO based devices from standalone drives to
19. e LTFS Service Version 1 0 User Guide 9 Comparing TapeAssure and L amp TT The two tools work together to provide a full monitoring and diagnostic solution and are fully compatible and consistent For example a support ticket pulled as part of monitoring activity can be opened and viewed using L amp TT allowing you to see all support ticket information TapeAssure focuses on the key pieces of data in a support ticket and is therefore a subset of the complete L amp TT functionality The two tools are complementary and are focused on different use models e TapeAssure is a monitoring solution It is part of the configuration and always on All analysis is passive based on the rich detail in each support ticket which is automatically pulled at the end of each backup Analysis results reflect the real life use of the system There are no active tests carried out in a test environment so if po tentially serious issues are identified TapeAssure will recommend the use of L amp TT to run the Drive Assessment test e L amp IT is a standalone application that runs on the backup server The tool is usually run after encountering an issue or if you want to check the health of your system It offers three main capabilities as well as other utilities e Firmware update e Support ticket acquisition and analysis as per TapeAssure e Active tests the most important of which is the Drive Assessment test 10 Introduction 2 Installation
20. e directory after they are sent to Command View TL so they can still be viewed directly with L amp TT Ticket Store Directory By default HP LTFS stores the pulled tickets in the var logs directory but this can be changed by the HP LTFS user The TapeAssure LTFS service configuration must match the ticket store directory used by HP LTFS Check the TapeAssure LTFS service log for sent tickets As tickets are sent to Command View TL a log entry is made in the SA TapeAssure_Service_log file which is found in the logs folder in the install directory The entry shows the ticket name which includes the drive serial number and the time at which the ticket was created by HP LTFS ep root sxe3204n usr local sa tapeassure agent logs o Check that the TapeAssure service is running Use the Sa_TapeAssure utility to verify that the HP TapeAssure LTFS service is running Sa TapeAssure d should report that the service is RUNNING Check the TapeAssure LTFS service configuration Key configuration parameters to check are 28 Troubleshooting the TapeAssure LTFS service MANAGEMENT STATION IP the IP address of the Command View TL management station e MANAGEMENT STATION PORT the port number of the Command View TL management station Normally 8099 unless the port number has been changed using Command View TL e POLLING INTERVAL Verify that tickets are transported frequently enough to match your mount unmount model The de
21. e first item displayed in the TapeAssure tab is the TapeAssure Overview This overview lists the systems monitored by HP TapeAssure If there is data about standalone tape drives in the database then this is also referenced HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 15 TapeAssure Overview lavent MSL Libraries Registered The following MSL libraries are registered with Mis management station Command View TL does not pull TapeAssure data fom MSL libraries but does actively Esten for such data sent from MSL libraries and standalone HP drives To see if TapeAssure data is being received from these libraries view the Health Performance or Utilization pages at lef and search for library identifier s listed below 1 DEC7390383 2 3619 0122 Standalone Drives TapeAssure data has been received by this management station for one or more standalone HP drives To view this data go to the Health Performance or Utilization pages t left and either Search or Filter on the standalone server hostname For help in registenng ESL or EML libranes with this management station to actively collect TapeAssure data see help page here Library and serial number information The TapeAssure data contains references to library serial numbers or host names For tape drives managed under HP LTFS this column shows the string HP LTFS Health v actions amp riter Serial Hum Drive Type Library SH Write Quality
22. ed on HP recommended environmental conditions and usage This is based on the load unload count of the tape and compared with HP recom mended tape usage limits If the load unload life reaches 0 the tape should be retired Max internal temperature the maximum internal drive temperature at which the tape has been written Data quality can be jeopardized if the drive is too hot so this is an important measure Note that the temperature shown is internal and can get very hot before you receive any warnings Use the traffic light symbol to gauge if there are any concerns service action will also be issued if there are any actions to take Effective capacity the effective capacity of the tape based on the amount of tape being used to write data The drives always write high quality data unless they return an error but will take more tape to do so if there are error rate issues The effective capacity will be reduced if a drive is using too much tape This is a traffic light only column with service actions issued if any follow up is needed Service action If any issues or potential issues with the above fields have been identified then a service action will be listed here Multiple service actions will be concatenated if ne cessary Hover your mouse over the field to see the full explanation EY NOTE See the HP StorageWorks Interface Manager and Command View TL user guide for a complete explanation of the columns Once
23. eeeeeeeseeeesses 16 SEE EEE 19 Conducting a health assessment of drives and tapes cccscccceesecceeeseceeeenceeeeneceeseeeeceeeeeeseeeeenaes 19 Conducting a performance assessment of drives ccccececcceeseeceseseceeeceeceeceeceeeeeeeteeeeeeseeeeenseeees 22 Conducting a utilization assessment for drives oa x ccooewnicaweans wiseovsuniedsheressseadindoniedecinsavnisadsavenndawclss 23 Conducting a utilization assessment for tapes cccccceceesseeccesceeceseeeeeseeeeceeseeeeeeaeeeceeeeeeetseesenteeees 24 Conducting a utilization assessment iii aidenccais catinnsabasadal caigidedspauke anepeanstdbuunsinnntaniecawiecawmhiaieldieii 24 About email alerts ER EE EEE NE nt aeaaee een sensen 24 4 Uninstalling the TapeAssure LTFS service ccceceeeeceeeeeeeeeeeeeeeeeeeeeeees 25 5 Troubleshooting the TapeAssure LTFS service cccceeeeeeeeeeeeeeeeeeeeeeees 27 Check compatibility seseris a a EE eee aae E e 27 Check that HP LTFS is installed and running uusnnareadiaideenemenenenagareimneidt 27 Check that the TapeAssure LTFS service is running cccescccesessceeseeeeeeeseeeeeseeeecuaeesnaeeeeeneeeneaaes 27 Check the configuration EEE EE EEE 28 Check the TapeAssure LTFS service log for sent tickets ccccsseceeseeeceeeseeeeeseeeeenseeeeesseeeesteeeeeaees 28 Check that the TapeAssure service is running iscecsecscssecsceacseesseesvansndarentedsratdenstacnansstacenascementensveaenns 28 Check the TapeAssure TFS serv
24. enterprise class libraries Architecture TapeAssure incorporates HP s industry leading diagnostic tool L amp TT into the data collection solution The LTFS driver pulls an L amp TT support ticket from the drive whenever a cartridge is unmounted and uses the TapeAssure LTFS service to send it to CommandView TL Within Command View TL another form of L amp TT runs a full diagnostic analysis on the tape drive tape and data Standalone TapeAssure with LTFS Ticket data flow Browser gt Application data flow Backup Server Management Station Application TapeAssure LTFS Service CVTL TapeAssure Ticket Ticket Pr ing amp Transport Transport eee Ssg Presentation HP LTFS gt Kf Embedded driver EE LTT Ticket re an SCSI driver Parsing HBA driver Figure 1 TapeAssure architecture for standalone tape drives 8 Introduction The TapeAssure service for LTFS runs as a deamon process which can be started and stopped using the TapeAssure LTFS service management tool provided with the package Supported configurations The TapeAssure service supports The same LTO tape devices and host bus adaptors HBAs supported by HP LTFS Operating systems Redhat 5 Linux 32 e Redhat 5 Linux 64 e Redhat 6 0 Linux 32 Redhat 6 0 Linux 64 e SuSE ES11 Linux 32 e SuSE ES11 Linux 64 e MACOS x 10 5 e MACOS x 10 6 Supporting applications e HP LTFS Standalone 1 2 or later Command View TL version 2 6 o
25. fault is that all outstanding tickets pulled by the HP LTFS driver will be sent every hour Tickets are not removed from the HP LTFS ticket store directory when they are sent to Command View TL HP LTFS TICKET STORE DIRECTORY By default HP LTFS writes the tickets to the var logs directory on Linux and to the SHOME Library Logs LTFS directory on Mac The directory can be changed by the HP LTFS user The TapeAssure LTFS service configuration must match the ticket store directory used by HP LTFS Check the TapeAssure LTFS service log for sent tickets When the TapeAssure LTFS service sends a ticket to Command View TL is makes a log entry in the SA TapeAssure Service log file which is located in the installation directory The entry includes the ticket name which references the drive serial number and time when the ticket was created by HP LTFS Check the Command View TL Device Analysis Service log for received tickets As tickets are received by Command View TL entries are made in the das_ 0 9 log Device Analysis Service file which is found in the log folder in the Command View TL install directory C Program Files Hewlett Packard Command View TL log There can be multiple log files starting with das 0 10g and working up to das 9 log This is done to limit disk usage and you must identify which of these is the most recent file sort by Date Modified to find the most recent log entries The log is very detailed and records a
26. hat the installed version of HP LTFS is version 1 2 or higher 2 Verify that the TapeAssure LTFS service is installed on the same server as HP LTFS 3 Verify that the server hardware and operating system is supported by the TapeAssure LTFS service 4 Verify that Command View TL is version 2 6 or later and is installed on a supported server configuration 5 Verify that the drives to be monitored are supported by HP LTFS EY NOTE There is no workaround for incompatible hardware Check that HP LTFS is installed and running Use 1tfs v to check the status of HP LTFS Check that the TapeAssure LTFS service is running Use the SA_TapeAssure utility script to verify that the TapeAssure service is running Execute Sa_TapeAssure d and verify that the status is Running HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 27 Check the configuration Use the Sa_TapeAssure d option to check the key configuration parameters e CVTL Management Station IP Command View TL management station IP address Port number Command View TL management station port number Most likely this will be 8099 but it can be changed using Command View TL Polling Interval verify that tickets are checked frequently enough to match your mount unmount model The installation default is that all outstanding tickets are pulled by the HP LTFS drive are sent every hour Tickets are not removed from the HP LTFS ticket stor
27. ice configuration vunanadsmmeinsisemin dimmer 28 Check the TapeAssure LTFS service log for sent tickets rrrnrsnrnnrrnnvvrrronrrrrrrrrnerrernnrrrrnnnrrsrnnnersnnnnen 29 Check the Command View TL Device Analysis Service log for received tickets ccceceseesseeeeeeees 29 Check the Command View TL Device Analysis log for rejected tickets ccccecececeseeeeesteeeenteeeeaes 29 6 About the Sa_TapeAssure utility rrrrrrrrrrrrrnnnrnnnrrrrrrrrrrrrrrrrrvrvnnnnnnnnn 31 HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 3 7 Support and other resources cccssseseescccescceeeeeeeeeeesssseeseeeeeeeeeeeeees 33 Contacting HP sscoicsecisnieessedaguved iovsag pias nndncdelubandungndenexdvendis R anmedeaneasenpuetgedvaanasdexisdededaeasaavads 33 TN Service saisies ceins enie eae iane ea ta aaia E airaa aaia aia ia ideie E E EN aia 33 Related Hs ERE EEE 33 EEE EE EE 33 ASV 19 9 Leg ER PRE ERE NA 34 HP product documentation survey uurekegtuetnvdneregeaGRGJEGAMGA GA denete degn 35 Figures 1 TapeAssure architecture for standalone tape drives cccceecceceeeceeeeesceeeeeteeeeeseeeesseees 8 HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 5 Tables 1 Document conventions 1 Introduction This guide provides information about the TapeAssure service monitoring software for LTFS installations The TapeAssure service makes previously unavailable information about the health an
28. ining for the drive head shown as a percentage of the expected drive head life based on HP recommended environmental conditions and usage This measure is based on the amount of tape that has passed over the head over the lifetime of the drive e Reposition life indicates the expected life remaining of the tape path mechanics shown as a percentage of the expected life based on the number of repositions that have occurred assuming HP recommended environmental conditions and usage Lower reposition life is only likely to be an issue if the host transfer rates are very slow and the drive is not streaming e Load unload life displays the expected life remaining of the load unload mechanics shown as a percentage of the expected life based on the number of load unload cycles that have occurred assuming HP recommended environmental conditions and usage Service action If any issues or potential issues that have been identified a service action will be listed in the Service Action field Multiple service actions will be concatenated if ne cessary You can hover your mouse over the field to see the full explanation EY NOTE See the HP StorageWorks Interface Manager and Command View TL user guide for a complete explanation of the columns 20 Using TapeAssure 3 To view tape health data from the TapeAssure tab select Tapes gt Health from the navigation pane uma sencion Managemen S n oe Sot ai Topeaseure
29. large number of low level steps but if you can see the drive tickets referenced in that file they are being received by Command View TL Tt a i 0 0 ute OG r ot ETT LON I see tie Gm yt Yow oop 23 a 3333333 33g 22929299 SOGGSS 24242 vi Canta lys is tervtce le Check the Command View TL Device Analysis log for rejected tickets Each received ticket is checked for completeness and for any corruption Incomplete or corrupt tickets are rejected to avoid inconsistencies in the database If a ticket is rejected it is recorded in the da log file Device Analysis which is found in the log folder in the Command View TL install directory C Program Files Hewlett Packard Command View TL log HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 29 The fields that are incomplete or corrupt are listed in the log entry which might help isolate the root cause of the problem Ele Edt Format Yew Help 5 Comm TiNsuphortt ickat proact ivelog st mPUltrium4 4 5C 1 20100301 225812 HU18051818 ltd ve Mar 2 08 57 06 2010 If a ticket is rejected it is moved into a holding folder so that it can be viewed with L amp TT and checked C Program Files Hewlett Packard Command View TL log tickets C Program Files Hewlett Packard Command View TL log tickets Ble Edt yew Favortes Toos Help a Qe O P seach Foes gt XO Address 3 C Program Fles Hewlett Packard Command view TLyog ti
30. on some TapeAssure calculations will only be performed when at least 4 GB has been written between unmounts 16 Installation and configuration The assumed time of the pulled ticket is based on when it is received by Command View TL This avoids inconsistency with time zones and incorrectly set clocks In normal operation this works well because tickets are received within an hour of being pulled based on the transport interval configuration but if the connection to Command View TL is lost for a period of time and then recovered the tickets waiting to be sent will all be received at the same time These tickets will then have very similar time stamps causing an unexpected increased in calculated utilization for that time period HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 17 18 Installation and configuration 3 Using TapeAssure Conducting a health assessment of drives and tapes Unless L amp TT has been used regularly this may be the first health assessment that has been performed on the tape drive which might trigger warnings and indicate service actions amp NOTE You should be prepared to address possible warnings and or service actions such as clean drive or retire tape the first time you use HP TapeAssure Following the first backup Command View TL will display TapeAssure health data for the drive and tape To view the data 1 In Command View TL click the TapeAssure tab HP StorageWorks Ta
31. peAssure LTFS Service Version 1 0 User Guide 19 2 Select Drives gt Health from the navigation pane HP TapeAssure displays a summary of all drive health information in the right hand pane SS See Ee El lad Topeassure Health O Overview Bi owe v Actions G P Fier PP Hean Y Performance Py rop HJI7ISNAF HPLTO 4 FH DEC7390363 lst 8000 Past 5200 OG 995 1000 97 GE ization GB19290346 HPLLTO 5 FM gowen nie re 1000 GUM OM Did Tees GB19340568 HP LTO 5 FH _ gowen2 met 496 0 fet 400 100 0 1000 O 99 Of Operations HJ18051B18 HPLTO 4 HH gowen6 O mst320 088320 996 O 1000 Of 97 HUIBOSIABC HPLTO 4 HH gowen2 amp last 1220 fast 1020 OG 933 OG 231 92 Cian drive The types of drive health information displayed in the TapeAssure tab are Write quality displays how well the drive writes data to the tape Note that data is always written at high quality unless the drive returns an error but it may take more tape to do so if there is an error rate problem The system displays the amount of data written since the tape was last loaded e Read quality displays how well the drive is able to read the data from the tape This takes account of error correction statistics and any required retries The system displays the amount of data read since the tape was last loaded e Head life indicates the expected life rema
32. r 143522 2010 GE razon MJIOONBAK OSQMSAS cps 0 00 Wed Mar 3 10 49 26 2010 E bi Operations GBI 9200044 HPLTOS ENO goweb 3 1 Frimar 14 34 27 2010 BY expottocsy MUITSOAR HPLTO4 PHSCS 0607300383 4 414 Thu Mar 42055302010 To select the sample time click on the Actions pull down list Click OK and the Utilization data will be refreshed based on the new sample period You can also see the following data about sampling e The Sample Size column displays the number of unique tickets pulled during the sample period and the last sample time the time of the last ticket Note that a unique ticket is one with a unique tape load count In this example the sample time has been set to a rolling window of 24 hours and only the last two drives listed have been used during that time but these have been used quite a bit The first of these has been used 66 1 which is approximately 16 hours over the last 24 Depending on the utilization data you should consider the following e If drive utilization is generally lower than expected the there is an opportunity to make better use of the drives That may be achievable through for example different scheduling of backups e If drive utilization is uneven you can spread the load across all your drives which is preferable for longer drive life e If drive utilization is very high that is also good to know It shows that good use is being made of the equipment and it is also a potential
33. r error file Use the interactive options to specify the file to be viewed H h Displays the command line help information 32 About the Sa_TapeAssure utility 7 Support and other resources Contacting HP For worldwide technical support information see the HP support website http www hp com support Before contacting HP collect the following information e Product model names and numbers Technical support registration number if applicable e Product serial numbers e Error messages Operating system type and revision level Detailed questions Subscription service HP recommends that you register your product at the Subscriber s Choice for Business website http www hp com go e updates After registering you will receive e mail notification of product enhancements new driver versions firmware updates and other product resources Related information The following documents and websites provide related information HP StorageWorks Interface Manager and Command View TL user guide available from http www hp com support cvtl HP websites For additional information see the following HP websites http www hp com http www hp com go storage hitp www hp com service locator htto www hp com support manuals e htto www hp com support downloads HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 33 Typographic conventions Table 1 Document conventions Convention
34. r later EY NOTE Command View TL is only supported on Windows requiring a mixed installation of Linux MAC and Windows servers for TapeAssure support The Windows server can be any server accessible via the LAN from the server running HP LTFS firewalls permitting Typical configurations TapeAssure is very flexible in the configurations it can support HP recommends using a single Command View TL management station to consolidate the data HP TapeAssure supports the following configurations Single server single tape drive This is a very common configuration In this case the TapeAssure service should be installed on the server Command View TL can be installed anywhere that the TapeAssure service can access across your company intranet including the backup server itself Single server multiple tape drives This is similar to the single drive configuration The TapeAssure service monitors all the drives on the server Multiple servers multiple tape drives This is a common configuration for larger businesses and often applies to businesses with multiple sites In this case the TapeAssure service should still be installed on each of the backup servers but Command View TL should be installed on a server best placed for centralized monitoring This can be anywhere on the intranet This is an ideal use for TapeAssure where backups are automated in many locations and monitored from a central location HP StorageWorks TapeAssur
35. something that can normally be changed but it is useful to know how well the user data is actually compressing This information is not usually available yet has a significant impact on how much data can be written to a tape and the potential host data rates that can be accommodated Note that the write and read compression ratios can be different if different data sets are used such as when a full volume backup is followed by a partial read verify Conducting a utilization assessment for drives Once you measure how much your tape drives are used you can make improvements 1 Determine the sample period over which you want to measure utilization Different jobs for backups restores archival or other needs will show different utilization behavior Select a representative time period such as a week which covers a typical cycle such as a full backup followed by a week of incremental backups To view drive utilization data from the TapeAssure tab select Drives gt Utilization from the navigation pane Utilization appears under the column Utilization in sample time trary Setection Management Station ore o Overview Bis Orives P nat VF Pertormance z Ga a Mut0829761 HPLTO SOMSAS ary 2 00 FriMar 5 142341 2010 MJ18051818 HPLTOS HMSCS gowen 1 00 FriMar 14 34 29 2010 aid Tepes MUIDE22HKR HPLTO I0SCS gowen 1 00 Frimar 5143521 2010 9 Heath MU180S1 ABC HPLTO4 SCS gowen 2 00 Frima
36. warning that a capacity increase may be needed along with the evidence needed to support that request HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 23 Conducting a utilization assessment for tapes Tape utilization is an assessment of the efficiency of tape use 1 To view tape utilization data from the TapeAssure tab select Tapes gt Utilization from the navig ation pane Utilization is shown under the column Capacity used at last sample along with two other measures Data Write and Data Read in sample time bray Selection Mangemer Staion ene oe sert MEG rapeassure Utilization Q Overview DE ore w Actions L Fiter Selected Semple Time Last 24 Hours Weert Seureh Criterio Tapez 1to8 f Pp Haa Ebrar aa Bata for Ha Type Mns in sampl Viret T Aventina 2230040 gomen HPLTO S amp 1818 2916 GB 20 Mon Mar 22 14 52 untratien Dlavedationte 2060358 goeens HPLTOS 5 35 TB 2878 930 Moner 221454 teres avsette r a 1050300 gowen2 HPLTO 4 3 750208 392208 230 Mon Mar 22 14 52 Y Hean C avesatie ezv 2060453 OEC73S09 HP LTO 4 2 9177 GB 6405 GB 30 Mon Mar 22 20 31 GE utzation C avslstle OEM HTIC43 DECT3903 HPLTO4 1 1282 GB 398 GB 180 Mon Mar 22 15 05 O l orations C Avedatie EZW9 2070424 goevend HPLTO 4 1 187 08 187 GB 30 Mon Mar 22 09 45 o Avedatie OEM27 HTANCJ DEC73903 TOK LTO 4 0 oo oo 80 Sat Mar 20 07 45 3 CO avsatte EZ 2080573 3619 0122 WP LTO 4
37. you complete the service actions you can be confident that your drives tapes and most importantly your backup data are in good health HP StorageWorks TapeAssure LTFS Service Version 1 0 User Guide 21 EY NOTE You can obtain additional help by hovering your mouse cursor over the appropriate field and or clicking on Help Conducting a performance assessment of drives Conducting a performance assessment of tape drive is important because 22 HP s Ultrium tape drives are extremely fast and if you utilize them at the fastest transfer rates backup windows will be shorter making better use of the equipment If the drives are not kept streaming drive life may be limited by reposition life This could result in premature drive retirement Once the first backup is complete HP TapeAssure generates performance data to view Select Drives gt Performance from the Navigation pane SS Soe Ee o Overview gjores v Actions gt P Fier fin Tane VF Performance HJIBOSTABC HPLTO 4 gowen 405 Miec 401 MEVsec 101 101 Mon Mar 22 14 52 30 2010 BE Untzation GB19340669 HPLTO 5 gowen2 739 MB sec 1372 M isec 201 181 Mon Mar 22 14 52 27 2010 mg Tees GB19290044 HPLTOS gowen6 nts nis ne rie Mon Mar 22 14 54 08 2010 Op Hew HJ18051618 HPLTO 4 gowen 63 5 Mevsec 113 0 Mevsec 17 1 171 Mon Mar 22 09 45 44 2010 gE Utilization HH 73IS0ATF HP LTO 6 DEC7390383 704 M isec 697 Meisec 101 101 Mon Mar 2
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