17–8
Troubleshooting
Hitachi Unified Storage Hardware Service Guide
Storage system failures
A storage system failure may have occurred if one or more of the following
conditions occurs:
• The storage system sends an email alerting you to a failure.
• The Alarm or Warning LED on the front panel goes ON.
• The Ready LED on the front panel is OFF.
• You experience performance deterioration with the storage system.
• A VOL cannot be recognized.
• A host cannot see a data port on the storage system.
If one or more of these actions occurs, perform the following steps to
recover from the failure:
1. Log in to Storage Navigator Modular 2:
2. Go to the Explorer pane and click Arrays.
3. In the Arrays area, check the status and serial number of the storage
system where the failure occurred.
4. If you received an email message about the failure, check that the
hardware serial number in the email matches the one on the storage
system.
5. Check the status column of the system that matches the hardware serial
number checked in the previous step.
• Normal = The storage system is operating normally. The fault may
have occurred between the storage system and the host. See “Host
cannot access storage” in
• --- = Storage Navigator Modular 2 cannot access the storage
system. The main switch may be set to the OFF position or a
network failure may have occurred between the host and the
storage system.See
Hitachi Storage Navigator Modular 2 cannot
connect to storage system on page 17-4
.
6. From the Arrays page, click the name of the storage system. When the
next screen appears, click either Alerts & Events in the Arrays pane or
Check for Errors in the Common Array Tasks area. In the Alert Parts
tab, check for the failed part, such as a disk drive.
NOTE: If Storage Navigator Modular 2 does not start:
• A communication failure with the Storage Navigator Modular 2 server
may have occurred or the Storage Navigator Modular 2 server may not
be started normally. See the “Storage Navigator Modular 2 will not
start” topic in
.
• The storage system may be turned off or there may be a network
failure between Storage Navigator Modular 2 and the storage system.
See the “Storage Navigator Modular 2 cannot communicate with the
storage system” topic in
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Страница 35: ...xxxv Hitachi Unified Storage Hardware Service Guide Labels on Management Module CBL CBLE CBLD LAN UPS ...
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Страница 37: ...xxxvii Hitachi Unified Storage Hardware Service Guide DBW Labels on I O Card ENC DBX Labels on Host Connector ...
Страница 38: ...xxxviii Hitachi Unified Storage Hardware Service Guide Labels on SAS ENC Cable Labels on cable holder DBX In ...
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Страница 126: ...3 8 Procedures before and after replacing components Hitachi Unified Storage Hardware Service Guide ...
Страница 152: ...5 8 Replacing a cache backup battery Hitachi Unified Storage Hardware Service Guide ...
Страница 156: ...6 4 Replacing a Fan Module Hitachi Unified Storage Hardware Service Guide ...
Страница 180: ...8 16 Adding and replacing controllers Hitachi Unified Storage Hardware Service Guide ...
Страница 188: ...9 8 Replacing cache memory Hitachi Unified Storage Hardware Service Guide ...
Страница 200: ...11 6 Replacing the Host connector Hitachi Unified Storage Hardware Service Guide ...
Страница 204: ...12 4 Replacing the Drive I O Module Hitachi Unified Storage Hardware Service Guide ...
Страница 212: ...14 4 Replacing the SAS ENC cable Hitachi Unified Storage Hardware Service Guide ...
Страница 274: ...17 14 Troubleshooting Hitachi Unified Storage Hardware Service Guide ...
Страница 286: ...Glossary 12 Hitachi Unified Storage Hardware Service Guide A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
Страница 290: ...Index 4 Hitachi Unified Storage Hardware Service Guide U Upgrading Hitachi Unified Storage 130 15 1 ...
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