HP StorageWorks XP12000 Manuel utilisateur

HP StorageWorks

Continuous Access XP user guide

for the XP12000/XP10000/SVS200

Part number: T1711-96012

Sixth edition: March 2007

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Contents

Aboutthisguide .......................... 9

Intendedaudience...................................... 9

Prerequisites ........................................ 9

Relateddocumentation.................................... 9

Documentconventionsandsymbols ............................. 10

HPtechnicalsupport.................................... 10

Subscriptionservice ..................................... 11

HPwebsites......................................... 11

Documentationfeedback ................................... 11

1ContinuousAccessXPfortheArray ................. 13

OverviewofContinuousAccessXPoperations......................... 13

Components ..................................... 14

Arrays...................................... 15

Mainandremotecontrolunits(MCUsandRCUs).................... 15

Volumepairs(P-VOLsandS-VOLs).......................... 16

ContinuousAccessXPAsynchronousconsistencygroups................. 17

Remotecopyconnections.............................. 17

InitiatorportsandRCUtargetports.......................... 18

CommandViewXPmanagementstationorXPRemoteWebConsole ........... 18

Hostfailoversoftware ............................... 19

Remotecopyoperations ................................ 19

Initialcopyoperations ............................... 19

Updatecopyoperations .............................. 20

ReadandwriteI/OoperationsforContinuousAccessXPvolumes ............ 20

Differencemanagement .............................. 21

S-VOLwriteoption................................. 23

ContinuousAccessXPAsynchronousrecordsetoperations .................. 23

CreatingandstoringrecordsetsattheMCU...................... 24

SendingrecordsetstotheRCU............................ 24

StoringrecordsetsattheRCU ............................ 24

SelectingandsettlingrecordsetsattheRCU...................... 24

Typesofrecordsets................................. 25

Inﬂowcontrolofrecordsets ............................. 25

ContinuousAccessXPAsynchronousconsistencygroupoperations .............. 26

Groupoptions................................... 26

Groupoperations ................................. 27

ContinuousAccessXPvolumepairstatus ......................... 27

ContinuousAccessXPLUSEpairstatus ........................ 28

ContinuousAccessXPAsynchronouspairstatus .................... 28

ContinuousAccessXPsplittypes(PSUS)........................ 30

ContinuousAccessXPsuspendtypes......................... 31

ContinuousAccessXPAsynchronoussuspensionconditions ............... 33

PreparingforContinuousAccessXPoperations......................... 34

Systemrequirements .................................. 34

Requirementsandrestrictions .............................. 34

One-to-onevolumecopyoperations ......................... 35

Logicalunit(LU)types ............................... 35

Consistencygroups ................................ 35

AccessingContinuousAccessXPP-VOLsandS-VOLs .................. 36

Cacheandnonvolatilestorage(NVS)......................... 36

Continuous Access XP user guide 3

Hostfailoversoftware ............................... 36

Duplicatevolumes................................. 36

Hostsystemcrash ................................. 36

Installinghardware .................................. 37

FibreChannelremotecopyconnections........................ 37

ConﬁguringMCUsandRCUsforContinuousAccessXPoperations .............. 39

Fibre Channel conﬁguration............................. 39

Combining Continuous Access XP with other data management operations . . . . . . . . . . . 41

CombiningContinuousAccessXPandBC....................... 45

CombiningContinuousAccessXPandLUNSecurityXPExtension............. 48

Copyingaccessattributes.............................. 48

LicensecapacityforLUNSecurityXPExtension..................... 51

CombiningContinuousAccessXPandVolumeManager ................ 52

CombiningContinuousAccessXPandCustomVolumeSize(CVS) ............ 52

CombiningContinuousAccessXPandCacheLUNXP.................. 52

CombiningContinuousAccessXPandLUNManager.................. 52

CombiningContinuousAccessXPandAutoLUNXP .................. 53

CombiningContinuousAccessXPandPerformanceControlXP.............. 54

StartingContinuousAccessXP................................ 54

ContinuousAccessXPpanes .............................. 54

ContinuousAccessXPmainpane(PairOperationpane)................... 57

Volumelist .................................... 57

DisplayFilterpane................................. 59

ContinuousAccessXPSnapshotfunction ....................... 60

Creating and exporting (downloading) Continuous Access XP snapshot ﬁles ........ 61

RCUOperationpane.................................. 61

CUNumbertreeandMCU/RCUlist ......................... 62

PorttreeandPortlist................................ 64

AsynchronousOperationpane.............................. 64

UsageMonitorpane.................................. 65

HistoryOperationspane ................................ 66

OtherOperationpane................................. 68

Changingsubsystemsettings ............................ 69

Performing Continuous Access XP conﬁgurationoperations.................... 70

MCUoperations.................................... 71

ConﬁguringMCUports............................... 71

RCUoperations.................................... 71

ViewingRCUStatus(RCUStatus)........................... 72

RegisteringRCUs(AddRCU) ............................ 74

ModifyingRCUoptions(ChangeRCUOption)..................... 79

DeletingRCUs(DeleteRCU)............................. 80

RCUpathparameters ............................... 80

Adding and deleting logical paths for RCUs (Add Path/Delete Path) . . . . . . . . . . . . 81

AddinganddeletingSSIDsforRCUs(AddSSID/DeleteSSID) .............. 83

Portchangeoperation ............................... 84

Modifyingparametersanddeletingsettings...................... 85

ContinuousAccessXPAsynchronousoperations ...................... 85

Viewingconsistencygroupstatus(CTGroupStatus)................... 86

Addingconsistencygroups(AddCTGroup)...................... 88

Modifyingconsistencygroupoptions(CTGroupOption) ................ 89

Deletingconsistencygroups(DeleteCTGroup)..................... 90

Asynchronouscopyoption ............................. 91

Modifyingparametersanddeletingconsistencygroups ................. 92

UsageMonitoroperations ............................... 93

Startingandstoppingmonitoring .......................... 93

Displayingusagemonitorgraph........................... 94

OptimizingContinuousAccessXPoperationsanddiskarrayperformance ........... 97

DiscontinuingContinuousAccessXPoperations ...................... 98

PerformingContinuousAccessXPpairoperations...................... 99

CommonprocedureforContinuousAccessXPpairoperations ................ 100

Listaftercommandselection............................. 100

ModifyingparametersanddeletingLUs........................ 100

ViewingContinuousAccessXPpairstatusforLUsandLDEVs(Pairdisplay) ........... 101

CreatingContinuousAccessXPvolumepairs(Paircreate) .................. 103

Continuous Access XP initial copy and pair options of the Paircreate pane . . . . . . . . . 106

SplittingContinuousAccessXPpairs(Pairsplit-r) ...................... 107

ResumingContinuousAccessXPvolumepairs(Pairresync).................. 110

Index .............................. 113

Continuous Access XP user guide 5

Figures

1..ContinuousAccessXPcomponentsforFibreChannelconnections ........... 15

2..Remotecopyoperations............................. 19

3..Selecting andsettlingContinuousAccessXPAsyncrecordsetsattheRCU........ 25

4..FibreChannelremotecopyconnections ...................... 38

5..Directconnection................................ 38

6..Switchconnection ............................... 39

7..Extenderconnection .............................. 39

8..AddRCUpane ................................ 40

9..RCUOptionpane ............................... 40

10 ..AsyncOptionpane............................... 41

11 ..AddCTGrouppane .............................. 41

12 ..SharedContinuousAccessXPP-VOL/BusinessCopyXPP-VOL ............ 47

13 ..SharedContinuousAccessXPS-VOL/BusinessCopyXPP-VOL ............ 47

14 ..Shared Continuous Access XP/BC P-VOL with shared Continuous Access XP S-VOL/BC P-VOL 47

15 ..SharedBusinessCopyXPS-VOL/ContinuousAccessXPP-VOL ............ 48

16 ..Copyingaccessattributes ............................ 50

17 ..ContinuousAccessXPmainpane......................... 54

18 ..Volumelist(partialview)............................. 58

19 ..DisplayFilterpane ............................... 60

20 ..RCUOperationpane.............................. 62

21 ..RCUOperationpanewiththeMCU&RCUoptionbuttonselected ........... 63

22 ..RCUOperationpanewiththePortoptionbuttonselected............... 64

23 ..AsynchronousOperationpane.......................... 64

24 ..UsageMonitorpane .............................. 66

25 ..HistoryOperationspane ............................ 67

26 ..OtherOperationpane ............................. 68

27 ..OptionSettingsListforthesubsystemandthepop-upmenu.............. 69

28 ..SystemOptionpane .............................. 70

29 ..RCUStatuspane................................ 73

30 ..AddRCUpane ................................ 75

31 ..RCUOptionpane ............................... 76

32 ..RCUSettingsParameterlist............................ 78

33 ..RCUOptionpane ............................... 79

34 ..RCUSettingsParameterlist(RCUOption) ..................... 79

35 ..FibreChannelinterfaceconnectionsgoingthroughswitches.............. 80

36 ..Add RCU pane used for conﬁguration in the previous ﬁgure.............. 81

37 ..AddPathpane................................. 81

38 ..AddSSIDpane ................................ 83

39 ..Changingporttypes .............................. 84

40 ..CTGroupStatuspane.............................. 87

41 ..AddCTGrouppane .............................. 88

42 ..CTGroupOptionpane............................. 89

43 ..ConsistencyGroupSettingsParameterlist ..................... 90

44 ..AsyncOptionpane............................... 91

45 ..AsynchronousOptionSettingsParameterlist .................... 92

46 ..Display Item pane ............................... 95

47 ..Pairdisplaypane................................ 101

48 ..Paircreate(Synchronous)pane .......................... 103

49 ..Paircreate(Asynchronous)pane.......................... 103

50 ..PairSettingsParameterlist(Paircreate)....................... 105

51 ..Pairsplit-rpane................................. 108

52 ..PairSettingsParameterlist(Pairsplit-r) ....................... 110

53 ..Pairresyncpane ................................ 111

Continuous Access XP user guide 7

Tables

1..Documentconventions.............................. 10

2..RAID-level conﬁgurationsforContinuousAccessXP ................. 15

3..Continuous Access XP supported RAID level conﬁgurations.............. 17

4..Max. numb. of pairs accord. to ea. emul. type, when pairs are created without cust. vol. . 22

5..Unitforstoringthedifferentialdata ........................ 22

6..Sideﬁlethresh.vals.forCXPAsynch.ops.andwritependingops. .......... 26

7..Continuous AccessXPAsynchronouspairstatusdescriptions ............. 28

8..ContinuousAccessXPsplittypes(PSUS)...................... 31

9..Consistency status descriptions for split/suspended Continuous Access XP Async S-VOLs . 31

10 ..ContinuousAccessXPsuspendtypes ....................... 32

11 ..ContinuousAccessXPAsynchronoussuspensionconditions.............. 33

12 ..Combining CA XP Sync and CA XP Async functions with other products in arrays . . . . 42

13 ..Host pair status reporting for CA XP, BC, and CA XP/BC shared vols. . . . . . . . . . 46

14 ..DatacurrencyofasharedContinuousAccessXP/BCvolume............. 46

15 ..Access attribute and availability as a Continuous Access XP pair volume . . . . . . . . 48

16 ..VMAsettingandavailabilityofPaircreateoperation................. 49

17 ..PairstatusandavailabilityforLUNSecurityXPExtensionoperations.......... 51

18 ..Variable access attribute (pair status of Continuous Access XP P-VOL is PAIR or COPY) . . 51

19 ..ContinuousAccessXPfunctions.......................... 56

20 ..VolumeiconsforContinuousAccessXPoperations ................. 58

21 ..StatusiconsforContinuousAccessXPoperations .................. 58

22 ..Snapshotfunctions ............................... 61

23 ..Logicalpathstatus ............................... 74

24 ..Initialcopypaceforcalculatinginitialcopyresponsetime .............. 77

25 ..Examplesettings................................ 77

26 ..RemotecopyI/Ostatistics............................ 96

27 ..Disk arrayperformanceconditionsandrecommendations .............. 98

About this guide

This guide provides information about:

•preparing for Continuous Access XP operations

•starting Continuous Access XP

•performing Continuous Access XP conﬁguration operations

•performing Continuous Access XP disaster recovery operations

•understanding error codes and messages

•performing pinned track recovery for Continuous Access XP volumes

Intended audience

This guide is intended for customers and HP-authorized service providers with knowledge of:

•Disk array hardware and software

•Data processing and RAID storage subsystems and their basic functions

NOTE:

The functions described in this manual may be limited, depending on your assigned level of user access.

Some users will have read-only access while others will have limited or full array access. For additional

information on users and user groups, please see the HP StorageWorks XP Remote Web Console user

guide.

Prerequisites

Prerequisites for installing this product include:

•Installation of the HP StorageWorks disk array(s)

•Installation of the license key for this product

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