DS560/DS570 User's Guide - Rev. A04
StorCase Technology, Inc.
Appendix C - Troubleshooting
53
The front panel LCD displays alternating "Zz" characters.
Cause
- This occurs when the cache is full of write request data that has not been processed.
The controller will halt requests from the host to flush out data in the cache.
Fix
-
None required.
The front panel LCD displays alternating "Ww" characters.
Cause
- This occurs when write requests in the cache are being processed. The controller
will also halt requests from the host.
Fix
-
Verify that the "Write Buffer" option in the RAID Params Menu is enabled. Increase
cache memory if needed.
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