Hp XP P9000 Auto LUN Software User Manual

HP XP P9000 Auto LUN User GuideAbstractThis guide explains how to balance system workloads and improve performance by migrating high-usage volumes to

2 RequirementsThis chapter provides information about Auto LUN requirements.System requirementsTo perform Auto LUN operations using Remote Web Console

CAUTION: When you use mainframe system, you can access only one resource group from ahost. It is recommended that you should specify volumes that are

Table 2 Candidates for source and target volumes by program product (continued)Target Volume Candidate?Source Volume Candidate?Volume Type/StatusProgr

Table 2 Candidates for source and target volumes by program product (continued)Target Volume Candidate?Source Volume Candidate?Volume Type/StatusProgr

Table 2 Candidates for source and target volumes by program product (continued)Target Volume Candidate?Source Volume Candidate?Volume Type/StatusProgr

In this manual, Thin Provisioning indicates both Thin Provisioning and Smart Tiers. Thin ProvisioningZ indicates Thin Provisioning Z and Smart Tiers Z

Table 5 Poor target volume candidates for Cnt Ac-S/Cnt Ac-J pair combinationsPoor Target Volume CandidateSource VolumeContinuous Access Synchronous or

Figure 7 3DC multi-target configurationTable 6 Pair status when P-VOL of Continuous Access Journal Z delta resync pair is as a sourcevolumeStatusPair

Auto LUN with Business Copy Z or Business CopyYou can use the Business Copy Z pair volumes or the Business Copy Z pair volumes as the AutoLUN source v

Table 9 Pair status when S-VOL of Continuous Access Journal delta resync pair is a source volumeStatusPair NameAny pair status can be acceptableContin

© Copyright 2010, 2013 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or

Table 12 Permissible access attributes for source volume and target volume of Auto LUNAccess attributesVolume specified with Auto LUNS-VOL DisableProt

You can set all access attributes that you can set by using Volume Retention to the reserved volumeof Auto LUN. The access attributes that you can set

3 Auto LUN planningThis chapter provides information about Auto LUN planning.Manual migration plansTo migrate volumes manually, you must create migrat

Table 15 Number of control cylinders based on emulation type (continued)Number of Control CylindersEmulation Type533390-A, 3390-M, 3390-MA, 3390-MB, 3

The variables are explained below:• X: The capacity of the volume to be migrated (in kilobytes). If the volume is divided by theVirtual LVI function,

Running concurrent manual migration plansThe number of manual migration plans that can be executed concurrently depends on the followingconditions:• T

group, volumes in Grp1-1 will not be migrated to any other parity group, and no volumes will bemigrated to Grp1-1. This action protects a parity group

4 Auto LUN operationsThis chapter contains operations performed in the Auto LUN window.Migrating a volume manuallyA volume can be migrated manually th

The Source LDEV section displays the current usage rate for the source volume's parity groupand an estimated usage rate for the parity group afte

Procedure 2 To delete a manual migration plan:1. Click Actions→Other Function→Auto LUN to open the Auto LUN window.2. Click to change to Modify mode.3

Contents1 Overview of Auto LUN...5Overview of Auto LUN...

10. Optionally, edit the following values in the Auto Migration Conditions section:• Max. migration duration: the time limit for auto migrations. If t

6. As needed, modify any auto migration plan parameters. For details, see “Setting up automigration plan parameters” (page 29).7. Click Make New Plan.

4. Click the Attribute tab to display the “Attribute window” (page 62).5. In the navigation tree, double-click the HDD class in which you would like t

To "un-fix" a fixed parity group, right-click the fixed parity group and then select Normal PG fromthe pop-up menu.Changing disk usage rate

5 Auto LUN monitoringThis chapter contains the system messages that appear in Auto LUN history logs.Auto migration messagesThe next four tables list m

Table 17 Auto migration general status messages (continued)DescriptionMessageThis message is output when you start Auto LUN in thefollowing conditions

Table 19 Stopped auto migration plan messages (continued)DescriptionMessageThe disk usage rate of the parity group including the sourcevolume is over

Table 20 Failed auto migration plan messages (continued)DescriptionMessageAuto LUN failed to obtain. Check the settings and valuesspecified in the Aut

Migration History messagesThe following table contains the messages that appear in Migration History logs.Table 21 Migration history log messagesDescr

Table 22 Estimated delay in copy time for Auto LUN and other program productsEstimated delay in copying speed (in minutes)Capacity of Migrated Volume

5 Auto LUN monitoring...34Auto migration messages...

6 TroubleshootingThis chapter gives troubleshooting information on Auto LUN.Troubleshooting Auto LUNAn error message appears on the Remote Web Console

7 Support and other resourcesContacting HPFor worldwide technical support information, see the HP support website:http://www.hp.com/supportBefore cont

• http://www.hp.com/support/downloads• http://www.hp.com/storage/whitepapersConventions for storage capacity valuesXP P9000 disk arrays use the follow

WARNING! Indicates that failure to follow directions could result in bodily harm or death.CAUTION: Indicates that failure to follow directions could r

A Using RAID Manager for manual Auto LUNUse RAID Manager to perform manual migration operations from an open-system host.Auto LUN and RAID Manager com

Interoperability of Auto LUN and RAID ManagerWhen you perform a manual Auto LUN plan by using RAID Manager commands, note the following:• A volume res

Table 25 RAID Manager errors related to manual migration plans (continued)Required ActionMessageError Code(SSB2)The volume cannot be migrated. Check t

Table 25 RAID Manager errors related to manual migration plans (continued)Required ActionMessageError Code(SSB2)Wait for the quick formatting to compl

Table 25 RAID Manager errors related to manual migration plans (continued)Required ActionMessageError Code(SSB2)Set an LU path to the volume and then

Table 25 RAID Manager errors related to manual migration plans (continued)Required ActionMessageError Code(SSB2)Cancel the reservation by Auto LUN, an

1 Overview of Auto LUNThis is an overview of manual and automatic Auto LUN.Overview of Auto LUNAuto LUN is used to optimize your data storage by balan

Table 25 RAID Manager errors related to manual migration plans (continued)Required ActionMessageError Code(SSB2)None. This migration plan cannot be ex

Table 25 RAID Manager errors related to manual migration plans (continued)Required ActionMessageError Code(SSB2)Release the setting of Cache Residency

B ConventionsThis appendix describes phrases in this manual that correspond to phrases in the Remote WebConsole windows and messages.Table 26 Volumes

C Auto LUN GUI referenceThe GUI elements of Auto LUN windows are summarized.Auto LUN windowsFigure 11 Auto LUN WindowDescriptionTypeItemEnable: Perfor

DescriptionTypeItemClick the Manual Migration tab to open the Manual Migration Plans window.The Manual Migration Plans window is used to create and ex

DescriptionTypeItemClick Set to add a new Manual Migration plan to the list. The new ManualMigration plan consists of the volumes selected in Source L

DescriptionTypeItemRAID1 parity group in HDD class C. A similar HDD class C icon indicating RAID5or RAID6 might also appear.iconRAID1 parity group in

DescriptionTypeItemIndicates a volume that is either in the process of being migrated, or a volume thatis registered in a migration plan. This icon is

DescriptionTypeItemCLPR-number:CLPR-nameIndicates the ID of the Thin Provisioning pool.fieldPool IDIndicates the remaining capacity of the Thin Provis

DescriptionTypeItemIndicates the number and name of the CLPR corresponding to the target volume's paritygroup. The following convention is used:f

volume to complete the migration. During the migration, the source volume remains available forread and write operations.The volume migration copy ope

DescriptionTypeItem• Failed to make a plan: Auto LUN has failed to create the automigration plans.• Under migration: Auto LUN is executing auto migrat

DescriptionTypeItemThe Sampling Term (Date) option buttons set the frequency at whichusage statistics are analyzed. The following options are availabl

Attribute windowFigure 14 Attribute WindowThe following Auto LUN operations may be performed within the Attribute window:• “Reserving a volume” (page

DescriptionTypeItemRAID-1 parity group in HDD class C. A similar HDD class C iconindicating RAID-5 or RAID-6 might also appear.iconRAID-1 parity group

Parity Group listWhen you select a parity group in the navigation tree, the list displays information about volumesin that parity group. This informat

DescriptionTypeItemIndicates the total number of volumes in the external volume group.fieldTotalIndicates the number of reserved volumes.fieldReserved

Thin Provisioning virtual volumes listWhen you select a Thin Provisioning virtual volume group in the tree, the list displays informationabout Thin Pr

The following Auto LUN operations may be performed with the Manual Migration window:• “Viewing the migration history logs” (page 33)The History window

GlossaryAL-PA Arbitrated loop physical address. A 1-byte value that the arbitrated loop topology uses to identifythe loop ports. This value becomes th

LUSE Logical Unit Size Expansion. The LUSE feature is available when the HP StorageWorks LUNManager product is installed, and allows a LUN, normally a

When to use manual volume migrationIn the following scenarios, you must perform a manual migration plan instead of an auto migrationplan:• To analyze

UDP User Datagram Protocol.UTC Coordinated Universal Time.V-VOL Virtual Volume.VOL, vol Volume.volume Volume on disk. An accessible storage area on di

IndexAauto LUNwindow, 53auto migrationchanging disk usage rate limit , 33flow, 8function, 7, 22identifying parity groups, 7messages, 34parameters, 26C

symbols in text, 43Ttarget volume, 5technical supportHP, 41service locator website, 41text symbols, 43troubleshootinggeneral, 40when using RAID Manage

Figure 3 Auto LUN to improve disk usage efficiencyWhen parity groups in a higher HDD class run out of reserved volumes, the low-usage volumes inthis c

HDD class and force another volume out of that parity group, the auto migration operation requiresa minimum of 20 percent difference in estimated disk