Toshiba TECRA S4 Maintenance Manual page 445

Appendix J Maintenance of TOSHIBA RAID
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.
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL]]
Appendices
Analyze this log.
J-3