Hp XP Continuous Access Software Manual de usuario Pagina 81
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Valorado. / 5. Basado en revisión del cliente
5. When you perform delta resync operation on the volume in XP Continuous Access Synchronous
primary site, the status of the XP Continuous Access Journal pair's data volumes changes as
explained in Table 21 (page 81).
Table 21 Changes to XP Continuous Access Journal pair status by delta resync ops. (transferring
tasks between XP Continuous Access Journal secondary to primary sites)
Pair status after delta resync operationPair status before delta resync operationXP Continuous Access
Journal pair
Secondary data
volume
Primary data volumeSecondary data
volume
Primary data volume
PAIR or COPYPAIR or COPYHOLDHOLDXP Continuous Access
Journal pair between
XP Continuous Access
Synchronous primary
site and XP
Continuous Access
Journal secondary site
HOLDHOLDPAIR, PSUS, or PSUEPAIR, PSUS, or PSUEXP Continuous Access
Journal pair between
XP Continuous Access
Synchronous
secondary site and XP
Continuous Access
Journal secondary site
CAUTION: After you remove failures from the primary site and other locations and then the system
is changed to 3DC multi-target configuration (see Requirements for creating XP Continuous Access
Journal pairs for delta resync operations), the status of a pair between the primary site and the XP
Continuous Access Journal secondary site may be abnormal. If the status of the pair remains
abnormal, you will be unable to transfer your business tasks back to the primary site. To solve this
problem, check the pair status and then perform a problem-solving operation before transferring
business tasks back to the primary site.
Table 22 Pair Status and Operation after Recovery of the Primary Site
Perform the Following Operation before Transferring Business
Tasks Back to the Primary Site
If the Status of the Pair
in the UR Secondary
Site is
If the Status of the
Pair in the Primary
Site is
No
Make sure that the status of the pair in the primary site is PSUE
or PSUS, and then perform the operation explained in row No.
3 of this table.
HOLDCOPY1
Perform the operation explained in row No. 1 of this table.HOLDPAIR2
1. Remove the XP Continuous Access Journal pair from the
primary site.
2. Make sure that all the pairs belonging to the journal group
in the primary site are removed.
3. Create an XP Continuous Access Journal delta resync pair
that extends from the primary site to the XP Continuous Access
Journal secondary site. For information about requirements
for creating the pair, see Requirements for creating XP
Continuous Access Journal pairs for delta resync operations.
HOLDPSUE or PSUS3
The pair is in normal condition. You can transfer business tasks
as described earlier in this section.
HOLDHOLD4
Combining XP Continuous Access Journal with other data management functions 81
- HP StorageWorks 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- XP Continuous Access Journal 8
- Overview of functionality 10
- Journal obtain 11
- Journal copy 11
- Journal restore 11
- Components 12
- Local arrays 13
- Journal groups 14
- Data volume pairs 14
- Journal volumes 15
- Journal volume restrictions 16
- Consistency groups 17
- Remote copy connections 18
- Host failover software 19
- Update copy operations 21
- Journal processing 22
- Journal group operations 25
- System requirements 40
- Logical unit (LU) types 41
- Maximum number of pairs 43
- Duplicate volumes 46
- Port configurations 46
- Installing hardware 51
- Planning for journal volumes 53
- Planning process 54
- Arranging journal volumes 55
- Journal volume capacity 55
- Journal operations 57
- Journal volumes (continued) 59
- Basic behavior 67
- Hardware configuration 68
- Setup procedure 69
- Disaster recovery 69
- Hardware configurations 71
- Copying access attributes 85
- 1 See Table 26 (page 87) 87
- DKC Operation pane components 89
- Configuring port attributes 92
- Adding logical paths 97
- Deleting logical paths 99
- 5 Using journal groups 104
- 110 Using journal groups 110
- 112 Using journal groups 112
- 114 Using journal groups 114
- 116 Using journal groups 116
- 120 Using journal groups 120
- Deleting journal groups 123
- 124 Using journal groups 124
- 126 Using journal groups 126
- LUN (logical unit number)3 131
- Logical volume ID4 131
- Usage Monitor pane components 150
- Starting usage monitoring 151
- Stopping usage monitoring 151
- Changing array options 161
- Changing array options 163 163
- $ sudo pairdisplay -gg VG01 168
- -CLI" 169
- Prerequisites 170
- Notes on operations 170
- Notes on operations 171 171
- CL2-J-1CHA-2S 179
- CL2-N-1CHA-2T 179
- # sudo horcmshutdown.sh 16 179
- Remote copy operations 183
- and enas_cifscreate 186
- command 187
- Disaster recovery operations 189
- Commands 193
- Messages 193
- 12 Troubleshooting 194
- Calling HP 201
- 15 SIM reporting 206
- Related documentation 209
- HP technical support 209
- Subscription service 209
- HP websites 209
- Documentation feedback 210
- 212 Index 212
- 214 Index 214
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