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HP StorageWorksAuto LUN XP user guidefor the XP12000/XP10000Part number: T1715-96006Sixth edition: September 2007

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Auto LUN XP user guide for the XP12000/XP10000 111 Auto LUN XP for the XP12000/XP10000Auto LUN XP monitors resources in disk arrays and hosts connecte

12 Auto LUN XP for the XP12000/XP10000Reserve volumesThe reserve volume function reserves target volumes for automatic and manual migration operations

Auto LUN XP user guide for the XP12000/XP10000 13Figure 2 Data Flow after an Auto LUN XP operationNOTE: Immediately after a source volume and a target

14 Auto LUN XP for the XP12000/XP10000group B will probably decrease and I/O response time for parity group A might increase, while the overall throug

Auto LUN XP user guide for the XP12000/XP10000 15The auto migration function can move a high-usage volume to a higher HDD class group, forcing a low-u

16 Auto LUN XP for the XP12000/XP10000Auto migration sequence of eventsThe following are the typical steps to set up an auto migration plan:1. Analyze

Auto LUN XP user guide for the XP12000/XP10000 17You cannot make pairs of the volumes.Specify the logical volumes satisfying the conditions described

18 Auto LUN XP for the XP12000/XP10000volume can be used as a source volume. If the status is COPY(SP) or PSUS(SP), the volume cannot be used as a sou

Auto LUN XP user guide for the XP12000/XP10000 19• Volumes reserved by a migration program other than Auto LUN XP• Volumes on which the RAID Manager i

Legal and notice information© Copyright 2005, 2007 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP requ

20 Auto LUN XP for the XP12000/XP10000• X: The number of cylinders in the volume to be migrated. If the volume is a CVS volume, use the number of cyli

Auto LUN XP user guide for the XP12000/XP10000 21Calculating differential tables for open-system volume migrationWhen you migrate open-system volumes,

22 Auto LUN XP for the XP12000/XP10000Auto migration planningAuto LUN XP will not plan an auto migration when:• There is no reserve volume with the sa

Auto LUN XP user guide for the XP12000/XP10000 23Progress valueIf a volumes with heavy and light workloads are migrated together, the migration might

24 Auto LUN XP for the XP12000/XP10000copy data that have not been migrated and data that have already been copied to the migration destination.To pow

Auto LUN XP user guide for the XP12000/XP10000 25Monitoring term sectionUse this section to specify the monitoring period. This setting affects all Au

26 Auto LUN XP for the XP12000/XP10000Use the Chart Y Axis Rate list to select the highest value of the Y-axis (the vertical axis). This list is not d

Auto LUN XP user guide for the XP12000/XP10000 27WWN, Port-LUN, LDEV, and Physical tabsFigure 6 WWN, Port-LUN, LDEV, and Physical tabsClick one of the

28 Auto LUN XP for the XP12000/XP10000After replacing the micro program, monitoring data is not stored until a service technician releases the SVP fro

Auto LUN XP user guide for the XP12000/XP10000 29If the parity group icon represents a single parity group 1-3, the text 1-3 is displayed on the right

Auto LUN XP user guide for the XP12000/XP10000 3About this guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 Auto LUN XP for the XP12000/XP10000NOTE: High-speed (2 port) mode is available only if the XP disk array has firmware version 21.06.22 or later ins

Auto LUN XP user guide for the XP12000/XP10000 31Manual Migration tabUse this tab to create and execute migration plans for manually migrating volumes

32 Auto LUN XP for the XP12000/XP10000• Source LDEV columns:• LDEV: Logical volume ID• Emulation: Emulation type of the logical volume• Capacity: Capa

Auto LUN XP user guide for the XP12000/XP10000 337. In the tree, double-click a parity or external volume group. A list of logical volumes in that gro

34 Auto LUN XP for the XP12000/XP10000NOTE: Auto migration cannot use external volumes or volumes reserved by another program.Figure 8 Auto Migration

Auto LUN XP user guide for the XP12000/XP10000 35Auto Plan parameter section• Auto Migration Function: If you click ON, logical volumes are automatica

36 Auto LUN XP for the XP12000/XP1000010. Click Close.Deleting auto migration plans• To delete all auto migration plans, click Delete All.• To delete

Auto LUN XP user guide for the XP12000/XP10000 37Auto LUN XP uses collected usage statistics to estimate usage rates of parity groups after a proposed

38 Auto LUN XP for the XP12000/XP10000• CLPR: Number and name of the CLPR that corresponds to the parity group to which the logical volume belongs, in

Auto LUN XP user guide for the XP12000/XP10000 395. Right-click the parity group you want to fix.Figure 12 Attribute tab tree6. Click Fixed PG. The pa

4Manual Migration tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Pane cont

40 Auto LUN XP for the XP12000/XP10000History tabUse this tab to display information about automatic and manual migration operations that occurred in

Auto LUN XP user guide for the XP12000/XP10000 41Viewing migration history logsThe History tab displays logs of automatic and manual migration operati

42 Auto LUN XP for the XP12000/XP10000Migration was stopped (other reason):Migration Stopped (CU:LDEV->CU:LDEV) yyyy/mm/dd hh:min:sec (XXXXXXXXXXXX

Auto LUN XP user guide for the XP12000/XP10000 43Failed making an auto migration plan: yyyy/mm/dd hh:min : MakePlan is terminated by error: XXXXXXXXXX

44 Auto LUN XP for the XP12000/XP10000The migration logs may display the following messages:Troubleshooting Auto LUN XPAuto LUN XP displays error mess

Auto LUN XP user guide for the XP12000/XP10000 45The following is an example of the procedure for using RAID Manager commands to perform manual Auto L

46 Auto LUN XP for the XP12000/XP10000• When you try Auto LUN XP migrations or migration cancellations using RAID Manager, EX_CMDRJE might appear and

Auto LUN XP user guide for the XP12000/XP10000 472342 Migration target volume is already specified as an Auto LUN XP target volume.Release the Auto LU

48 Auto LUN XP for the XP12000/XP10000238C Migration target volume is a Business Copy XP reserved volume.Cancel the Business Copy XP reservation, and

Auto LUN XP user guide for the XP12000/XP10000 492 Auto LUN/Performance Control Base MonitorAuto LUN XP statisticsDisk arrays automatically collect st

Auto LUN XP user guide for the XP12000/XP10000 511 Parity group table boxes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50 Auto LUN/Performance Control Base Monitorperiod. The pane also displays a graph indicating how the write pending rate changed within that period.•

Auto LUN XP user guide for the XP12000/XP10000 51NOTE: Settings in the Monitor Options pane work with settings for Continuous Access XP and Continuous

52 Auto LUN/Performance Control Base MonitorViewing parity group usage statisticsAuto LUN XP monitors parity groups, and displays average and maximum

Auto LUN XP user guide for the XP12000/XP10000 53NOTE: If an exclamation mark (!) appears before a usage rate, that parity group usage rate might be i

54 Auto LUN/Performance Control Base Monitor1. In the Auto LUN pane, click Physical, and click the CHA folder. The table displays usage statistics abo

Auto LUN XP user guide for the XP12000/XP10000 55In the Auto LUN pane, click Physical, and click the ACP folder. The table displays a list of disk ada

56 Auto LUN/Performance Control Base Monitor2. Click the DRR below the disk adapter. The table displays usage statistics about DRRs in the disk adapte

Auto LUN XP user guide for the XP12000/XP10000 572. Do any of the following:• To check usage statistics about paths between adapters (CHAs and DKAs) a

58 Auto LUN/Performance Control Base Monitor4. Click Apply. Auto LUN XP starts monitoring the disk array.To stop monitoring the disk array, complete t

Auto LUN XP user guide for the XP12000/XP10000 59The table displays the following:• Graph column: The check mark icon indicates the graph is currently

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60 Auto LUN/Performance Control Base Monitor• To view traffic statistics about host ports in a host group, click the host group.Figure 32 Traffic stat

Auto LUN XP user guide for the XP12000/XP10000 61• If you double-click Not Grouped, host bus adapters ( ) that do not belong to any PFC group are disp

62 Auto LUN/Performance Control Base Monitor

Auto LUN XP user guide for the XP12000/XP10000 63IndexAaccess path usage statistics 50, 56Attribute tab 36audience, documentation 7Auto LUN pane 24aut

64logs 41manual 16, 22, 31operations 12plans 30powering off disk arrays 23RAID Manager, using 44releasing parity groups 39target volumes 38Monitoring

Figures1 Data Flow during an Auto LUN XP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Data Flow a

Tables1 Document conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Auto LUN XP user guide for the XP12000/XP10000 7About this guideThis guide provides information about the following:•”Auto LUN XP for the XP12000/XP10

8•Hitachi True Copy for z/OS® for the XP128/XP1024/XP10000/XP1200 •HP StorageWorks RAID Manager XP user guideYou can find these documents at http://ww

Auto LUN XP user guide for the XP12000/XP10000 9For continuous quality improvement, calls may be recorded or monitored.Subscription serviceHP strongly