HP StorageWorks XP24000 Continuous Access Software User and Reference Guide, v01 (T5278-96002, June 2007)

..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
Tables
1
DocumentConventions.............................. 9
3
Relationshi
p between the Additional Shared Memory and the Number of Usable Bitmap
10
Whether Non-Continuous Access and Non-Continuous Access Asynchronous Volumes Can
2
RAID Level ConfigurationsofContinuousAccess .................. 14
AreasofaStorageSystem ............................ 21
4
SidefileThresholds............................... 25
5
ContinuousAccessPairStatus .......................... 27
6
SplitTypes(PSUS) ............................... 30
7
Consistency Status for Split/Suspended Continuous Access Asynchronous S-VOLs . . . . 30
8
SuspendTypes(PSUE) ............................. 31
9
ContinuousAccessAsynchronousSuspensionConditions .............. 32
Be Used as Continuous Access and Continuous Access Asynchronous Volumes . . . . . . 33
11
Host Pair Status Reporting for Continuous Access/Business Copy Shared Volumes . . . . 36
12
Data Currency of a Shared Continuous Access/Business Copy Volume . . . . . . . . . 36
13
Access Attribute and Availability as a Volume of a Continuous Access Pair . . . . . . . 38
14
PairStatusandAvailabilityofDataRetentionUtilityOperation ............ 39
15
Variable Access Attribute (Pair Status of Continuous Access P-VOL is PAIR or COPY) . . . 39
16
ContinuousAccessFunctions........................... 56
17
InitialCopyPaceforCalculatingTheInitialCopyResponseTime ........... 77
18
Examplesetting ................................ 77
19
Logic
alPathStatus............................... 82
20
RemoteCopyI/OStatistics ........................... 91
21
Optimizing Continuous Access Operations and Storage System Per formance . . . . . . 97
22
SnapshotFunction............................... 104
23
EffectoftheFenceLevelSettingonaContinuousAccessP-VOL............ 128
24
AnalyzingtheCurrencyofContinuousAccessSynchronousS-VOLs .......... 131
25
Analyzing the Consistency of Continuous Access A synchronous S-VOLs . . . . . . . . 132
26
GeneralContinuousAccessTroubleshooting.................... 136
27
TroubleshootingRCUPathStatusProblems..................... 137
28
TroubleshootingSuspendedContinuousAccessPairs ................ 140
29
Resolving Continuous Access Asynchronous Suspension Conditions . . . . . . . . . . 141
30
AcronymsandAbbreviations .......................... 145
8