Toshiba PORTEGE M400 Maintenance Manual page 401

Appendix J Maintenance of TOSHIBA RAID
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.
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL]
Appendices
Analyze this log.
J-3