Hp XP P9500 Storage User Manual Page 107
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- Table of contents
- TROUBLESHOOTING
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Corrective actionDescriptionPath status
Restore the path
*
.A program error is detected.Program Error
Restore the path
*
.This path was not established.<blank>
* To restore a path, delete and then add the path again. It may be necessary to delete and then add the RCU again.
To delete the RCU or path, see “Deleting the Cnt Ac-J relationship ” (page 87) or “Deleting logical paths ” (page 87).
To re-register, see “Configuring local and remote systems for Cnt Ac-J ” (page 45). If you cannot restore the path after
performing these operations, contact HP for assistance.
Troubleshooting by suspension type
Troubleshooting information for suspended pairs by suspension type is provided in the following
table.
Corrective actionDescriptionApplies toSuspend type
Clear the error condition at the secondary
system or S-VOL. If you need to access the
The primary system suspended a pair
because it detected an error condition in
P-VOLPSUE, by RCU
S-VOL, release the pair from the primarythe secondary system. The suspend type
for the S-VOL is by MCU. system. If data in the S-VOL has been
changed, release the pair from the primary
system and then re create the pair by using
the paircreate dialog box. If data in the
S-VOL has not been changed, restore the
pair from the primary system.
Check the path status on the DKC Status
dialog box (see “Troubleshooting logical
The primary system detected an error
during communication with the secondary
P-VOLPSUE, S-VOL
Failure
paths ” (page 105)).Clear any errorsystem or detected an I/O error during
conditions at the secondary system and theupdate copy. In this case, the suspend type
for the S-VOL is usually by MCU. S-VOL. If you need to access the S-VOL,
release the pair from the secondary system.
If data in the S-VOL has been changed,
release the pair from the primary system and
then re create the pair by using the
paircreate dialog box. If data in the S-VOL
has not been changed, restore the pair from
the primary system.
Restore the pair (pairresync) from the
primary system. The primary system performs
The primary system could not find valid
control information in its nonvolatile
P-VOL, S-VOLPSUE, MCU IMPL
an initial copy operation in response to thememory during the IMPL procedure. This
pairresync request, so that the entire P-VOL
is copied to the S-VOL.
error occurs only if the primary system is
without power for more than 48 hours
(power failure and fully discharged
batteries).
Release the pair from the primary system.
Clear all error conditions at the primary
The primary system suspended this pair
during the initial copy operation. The data
P-VOL, S-VOLPSUE, Initial Copy
Failed
system, P-VOL, secondary system, andon the S-VOL is not identical to the data on
the P-VOL. S-VOL. Restart the initial copy operation by
using the paircreate dialog box.
None. The primary system automatically
restores these Cnt Ac-J pairs when the
primary system is powered on.
The primary system suspended all Cnt Ac-J
pairs because the primary system was
powered off.
S-VOLPSUE, MCU P/S
OFF
Troubleshooting by suspension type 107
- User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- P9500 storage systems 10
- Pair volumes 11
- Journal volumes 11
- Journals 11
- Reference Information 12
- Differential data management 13
- S-VOL write option 14
- Pair status 14
- System requirements 15
- Plan and design workflow 18
- Write-workload 19
- Sizing journal volumes 20
- Planning journals 20
- RAID group configuration 21
- Planning journal volumes 22
- Planning pair volumes 22
- Planning pair volumes 23 23
- Host failover software 25
- Planning for previous models 29
- System option modes 31
- 4 Planning the data path 34
- Calculating bandwidth 35
- 36 Planning the data path 36
- Sizing bandwidth 37 37
- 38 Planning the data path 38
- Packet loss 39
- Example configuration 40
- Port types 40
- Additional switches 41
- 42 Planning the data path 42
- 5 Configuration operations 44
- 46 Configuration operations 46
- 48 Configuration operations 48
- 50 Configuration operations 50
- 52 Configuration operations 52
- 6 Pair operations 54
- Creating the initial copy 55 55
- 56 Pair operations 56
- Creating the initial copy 57 57
- Splitting pairs 58
- Splitting mirrors 59
- Creating point-in-time copies 60
- Resynchronizing pairs 60
- Resynchronizing pairs 61 61
- Resynchronizing mirrors 62
- Deleting pairs 62
- Deleting pairs 63 63
- Deleting pairs in a mirror 64
- Deleting pairs in a mirror 65 65
- 7 Monitoring the system 66
- PSUS types and behaviors 69
- PSUE types and behaviors 71
- Selecting data to be graphed 74
- Manipulating graph, save data 76
- History of pair operations 79
- 8 Maintaining the system 80
- ◦ Initial 81
- ◦ Stopped 81
- ◦ Hold(Failure) 81
- 82 Maintaining the system 82
- 84 Maintaining the system 84
- Logical path maintenance 86
- Deleting logical paths 87
- When power stops unexpectedly 88
- 90 Maintaining the system 90
- General recovery procedures 91
- Cnt Ac-J secondary site: HOLD 100
- 10 Troubleshooting 103
- Troubleshooting logical paths 105
- B9E2, B9E4, D004 109
- B9E4, D004 112
- Miscellaneous troubleshooting 121
- 122 Troubleshooting 122
- Contacting HP 123
- Related information 123
- Typographic conventions 124
- Overview 126
- Failure recovery 127
- B Sharing volumes 133
- Cache Residency 135
- Data Retention 135
- Thin Provisioning 136
- LUN Expansion 137
- LUN Manager 137
- Fast Snap and Snapshot 137
- 138 Sharing volumes 138
- Virtual LUN 139
- Auto LUN 140
- 3DC cascade configuration 141
- Delta resync configuration 144
- ◦ Use the same mirror ID 146
- Problems that can occur 148
- ◦ Assign it to other mirrors 149
- ◦ Use it with RAID Manager 149
- 2 Data center configuration 151
- Pair status and data currency 156
- E GUI reference 157
- Journal Detail window 159
- Pair Operation window 165
- Paircreate dialog box 169
- Pairsplit-r dialog box 171
- Pairresync dialog box 172
- Pairsplit-S dialog box 173
- Change Pair Option dialog box 174
- Display Filter dialog box 174
- DKC Operation window 175
- Remote systems information 176
- Logical Path Information 177
- DKC Status dialog box 179
- Add DKC dialog box 180
- DKC Option dialog box 181
- Usage Monitor window 182
- History window 183
- Operations in History window 184
- History window notes 185
- Optional Operation window 186
- Glossary 188
- 190 Index 190
- 192 Index 192
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