Hp XP P9500 Storage User Manual Page 42
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5. Click Finish.
6. In the Confirm window, check settings, accept or enter a new task name, and then click Apply.
Reconnecting an external path
You can reconnect an external path that was disconnected. You reconnect paths either to a port
on the local system or to a WWN on the external system. When you reconnect, original path
settings are resumed.
Prerequisite information
• Make sure the path is in a status that can be restored.
Procedure 10 To reconnect an external path to an external volume
1. In Remote Web Console, click External Storages in the Storage Systems tree.
2. In the External Storages window, select the External Paths tab.
3. Select a path row, then click Reconnect External Paths at the bottom of the window.
4. In the Reconnect External Paths window, select one of the following:
• By Ports to reconnect all external paths connected to the specified port in the local storage
system.
• By External WWNs to reconnect all external paths connected to the specified WWNs
(ports) in the external storage system.
5. Click Finish.
6. In the Confirm window, check settings, accept or enter a new task name, and then click Apply.
Changing the cache mode setting of the external volume
You can change the cache mode of the external volume in the Edit External Volumes window.
Prerequisites
Before changing the cache mode of the external volume, check each item listed in the following
table.
DescriptionItem to Check
If an external volume is a part of a LUSE volume, the cache mode setting should be
the same among all volumes that constitute a LUSE volume.
Cache mode and LUSE volumes
When the bind mode is set, you cannot change the cache mode from Enable to
Disable. To change the cache mode to Disable, cancel the setting for Cache
Residency Manager or change the cache residency mode to the priority mode.
Cache Residency Manager and
cache mode
When a volume is registered to a pool as a pool volume, the cache mode setting
should be the same among all the pool volumes in the pool.
Cache mode and pool volumes
When the volume is a remote command device, you cannot change the cache mode
from Disable to Enable.
Cache mode and remote
command devices
The cache mode of external volume whose attribute is set to online data migration
cannot be changed.
Online Data Migration Attribute
Changing the cache mode
To change the cache mode setting
1. Click External Storage in the Storage Systems tree.
The list of available external storage systems appear in the tree.
2. In the tree, select an external storage system.
The path groups corresponding to the external storage system appear.
42 Monitoring and maintenance
- 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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