Cascade Connection Of Snapshot With Shadowimage - Hitachi AMS2100 User Manual

Cascade connection of SnapShot with ShadowImage

Hitachi AMS 2000 Family Copy-on-Write SnapShot User Guide
Table 1-6: Memory Reconfiguring Statuses
Statuses
Failed(Code-nn: error
message)
When the firmware version of the array is 08B0/A or more, volumes
of SnapShot can be cascaded with those of ShadowImage as shown
in Figure 1-8. However, the ShadowImage P-VOL and the SnapShot
V-VOL can not be cascaded. Also, the ShadowImage S-VOL and the
SnapShot V-VOL cannot be cascaded
SnapShot overview
Meaning
Indicates the status that the memory reconfiguration
failed because failures and others have occurred inside
the array. Recover the status according to the following
troubleshooting for each error code and each error
message. If it still fails, call the Support Center.
Failed(Code-01: Time out)
Code-01 occurs when the access from the host is
frequent or the amount of the unwritten data in the
cache memory is large. Execute the memory
reconfiguration operation again when the access from
the host decreases.
Failed(Code-02: Failure of Reconfigure Memory)
Code-02 occurs when the drive restoration processing
starts in the background. Execute the memory
reconfiguration operation again after the drive
restoration processing is completed.
Failed(Code-03: Failure of Reconfigure Memory)
Code-03 occurs when the copy of the management
information in the cache memory fails. The controller
replacement is required. Call the Support Center.
Failed(Code-04: Failure of Reconfigure Memory)
Code-04 occurs when the unwritten data in the cache
memory cannot be saved to the drive. The restart of
the array is required.
Note: If the firmware version of the array is less than
0897/A, the memory reconfiguration without restart of
the array is unsupported.
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