Toshiba S4 - page 445

Appendix J Maintenance of TOSHIBA RAID Appendices
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL]] J-3
J.2.1 How to identify the cause of failure
(1) When “Fail” or “NODRIVE” is displayed.
According to “Operation of Independent utility”, boot the independent utility to display
the Drive Log.
To identify the failure cause of Port 0, analyze the Drive Log of [REDUNDANT] side of
Port 1.
To identify the failure cause of Port 1, analyze the Drive Log of [REDUNDANT] side of
Port 0.
1. Find the log of message of “Fail this drive” last generated, using PgUp and PgDn
keys.
Analyze this log.