Hp XP P9500 Storage User Manual Page 54
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- TROUBLESHOOTING
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General troubleshooting
Check the following table for the problem. After removing an error, retry the operation.
Possible causesProblem
Remote Web Console cannot access the external
volume.
• An error occurred in the switch, or the switch is off.
• The cables are not properly connected.
• The external volume was deleted in the external system.
• An error occurred in the external volume.
• The path is changed in the external system.
• The port attribute in the local storage system is changed.
• Topology information is not properly set.
The external volume cannot be mapped.
• The number of mapped volumes exceeds the maximum number
(63,232) available for the local storage system.
• There are not enough LDKC:CU:LDEV numbers available for
external volume mapping.
The external path is blocked.
• See the problem above, “Remote Web Console cannot access
the external volume”. If the problem persists after correcting any
errors, continue to the next item.
• Confirm that the cable between the local and external system is
connected properly.
• If the cable is properly connected, disconnect it and then
reconnect. After 30 seconds, check the path status.
If the path is not restored, call the HP Technical Support.
See Troubleshooting external path status (page 55).Action is required for a path status in the View
External LUN Properties dialog box.
Perform any required action in the message and then retry the
operation. If the problem persists, see Troubleshooting port and
volume discovery problems (page 60).
The volume in the external system cannot be found
even after port discovery or volume discovery was
performed.
The external volume is blocked.
• All external paths are blocked (paths are not connected).
• The external volume is not set to Read/ Write.
• The external volume is blocked by an error.
When errors occur in all external paths, the local storage system
changes the status of the external volume to Blockade.
The status of the external volume is blockade.
• Reconnect the volume or storage system.
• If the volume’s status still does not change to Normal, restore
the path as described in the problem above, “The external path
is blocked”, and then reconnect the volume again.
54 Support and other resources
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- 1 Overview 7
- Typical components 8
- External storage system 9
- External volume 9
- Internal volume 9
- Interfaces 9
- Spreadsheets 10
- 2 Requirements and planning 11
- Planning external volumes 13
- 14 Requirements and planning 14
- Mainframe volumes 15
- Open systems volumes 16
- External volume groups (ExGs) 16
- Planning external volumes 19 19
- External paths 20
- Multi path mode 21
- 22 Requirements and planning 22
- Direct connection 23
- Switch connection 23
- Default mapping settings 24
- Cache Residency 25
- Snapshot 25
- Smart Tiers Z, and Fast Snap 26
- Local replication software 26
- LUN Expansion 27
- Remote replication software 28
- 4 Setting up external volumes 29
- Mapping an external volume 30
- Mapping an external volume 31 31
- Mapping an external volume 33 33
- Using mapped volumes 35
- 5 Monitoring and maintenance 36
- 38 Monitoring and maintenance 38
- Editing external WWN settings 39
- Path maintenance 40
- Path maintenance 41 41
- Reconnecting an external path 42
- Path maintenance 43 43
- Replacing all external paths 44
- Prerequisite requirements 45
- 46 Monitoring and maintenance 46
- ◦ A pool-VOL 48
- 50 Monitoring and maintenance 50
- 6 Support and other resources 52
- Typographic conventions 53
- General troubleshooting 54
- • Illegal request 57
- • Cannot detect port 57
- HP1024/HP128 Disk Array 58
- HP512/HP48 Disk Array 59
- Thunder 9500V 59
- HUS/AMS/WMS 60
- External systems 62
- HUS VM Storage System 62
- HP P9500 62
- HP24000/HP20000 Disk Array 62
- AMS 2000 series guidelines 67
- SVS200 storage system 68
- EVA storage system 68
- Sun StorEdge 6120/6320 69
- Sun StorageTek FlexLine 380 69
- Sun StorageTek 2540 69
- Sun StorageTek V2X2 70
- EMC CLARiiON CX series 70
- EMC VNX series 70
- EMC Symmetrix series 71
- IBM V7000 series 71
- IBM SVC series 71
- IBM XIV series 72
- Fujitsu FibreCAT CX series 72
- SGI IS4600 series 73
- B Remote command devices 76
- Requirements 77
- Mapping a command device 78
- SANRISE9500V series 79
- Thunder 9500V series 79
- Mapping a command device 79 79
- Manager commands 80
- Storage window 81
- External Storage Systems tab 82
- External Paths tab 82
- External Path Groups tab 85
- • Summary (page 86) 86
- Mapped Volumes tab 87
- Add External Volumes wizard 89
- Add External Volumes window 90
- Selected External Volumes 93
- Edit Policies window 97
- Edit External Volumes wizard 99
- Confirm window 100
- Edit External WWNs wizard 103
- Edit External WWNs window 104
- Selected External Paths table 110
- Change Settings window 112
- Assign Processor Blade wizard 117
- LDEVs table 119
- Glossary 120
- 122 Index 122
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