Troubleshooting guide

Error messages 151
1725-Slot X Drive Array-Optional SIMM (Memory Module) Problem Detected
Audible Beeps: None
Possible Cause: SIMM has been automatically disabled because of memory errors or because an
unsupported SIMM type was installed.
Action: Replace the SIMM memory module on the indicated controller.
1726-Slot X Drive Array - Cache Memory Size or Battery Presence Has Changed
...Array Accelerator configuration has automatically been updated.
Audible Beeps: None
Possible Cause: The array accelerator configuration has been updated automatically due to replacement of
the array accelerator (or controller) with one having different cache memory size. This message may also
appear following removal or installation of the cache battery back.
Action: To change the default cache read/write allocation ratio, run the ACU.
1727-Slot X Drive Array - New Logical Drive(s) Attachment Detected...
...If more than 32 logical drives, this message will be followed by: “Auto-configuration failed: Too many logical drives.”
Audible Beeps: None
Possible Cause: The controller has detected an additional array of drives that was connected when the power
was off. The logical drive configuration information has been updated to add the new logical drives. The
maximum number of logical drives supported is 32. Additional logical drives will not be added to the
configuration.
Action: No action is required.
1727-Slot X New (or Previously Failed) Logical Drive(s) Attached...
(sometimes followed by:)
...*Auto-configurations failed: Too many logical drives
*Auto-configurations failed: RAID 5/6 Drive Array Migrated
Audible Beeps: None
Possible Cause: The controller has detected an additional array of drives that was connected when the power
was off. The logical drive configuration information has been updated to add the new logical drives. The
maximum number of logical drives supported is 32. Additional logical drives will not be added to the
configuration.
Action: No action is required.
1728-Slot X Drive Array - Abnormal Shut-Down Detected With Write Cache Enabled
Audible Beeps: None
Possible Cause: No array accelerator battery backup exists on the array controller, but caching was
enabled. Any data that may have been in array accelerator memory has been lost due to the controller
power loss.
Action: Restore data from backup.