Fujitsu ETERNUS Multipath Driver V2, Руководство пользователя

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Appendix A Syslog Messages
FUJITSU Storage ETERNUS Multipath Driver V2 User’s Guide for Linux
Copyright 2014 FUJITSU LIMITED P2U3-0031-15ENZ0
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MPDH%d: NOTICE: %s:Device configuration succeeded.
Cause
Multipath configuration has succeeded.
%d is a number and %s is storage system information, specifically: storage_system_name - serial_number/
Device_identification_no. - magic_code - LUN_V_of_LU_number_0 (example: ETERNUS_DXL-130011-0000-
0000)
The meaning of the last four numeric characters is different from the disk device identifier meaning
explained in
"3.3.1 Device Identification" (page 49) .
Action
No action required. No failures have been detected.
MPDH%d: NOTICE: SCSI%u (%u, %u, --) : I/O path failed.
number of online paths left=%d
Cause
The status of the indicated path changed to fail.
The final %d in the message indicates the number of online state paths that remain.
%d and %u are numbers.
Action
Identify the failed path using the "iompadm info" command, respond as necessary to resolve the problem,
and recover the path using the "iompadm restart" command.
MPDH%d: WARNING: SCSI%u (%u, %u, --) : forcible path degrade.
Cause
The status of the indicated path changed to fatal fail because the path was found to be unstable.
%d and %u are numbers.
Action
Identify the failed path using the "iompadm info" command, respond as necessary to resolve the problem,
and recover the paths using the "iompadm restart" command.
MPDH%d: WARNING: I/O path failed, no more online path.
Cause
All the paths have changed to fail status.
%d is a number.
Action
Respond as necessary to resolve the path failure problems, and recover the paths using the "iompadm
restart" command.
MPDH%d: NOTICE: SCSI%u (%u, %u, %u) : I/O LUN failed.
number of online paths left for this LUN=%d
Cause
The indicated paths for the indicated LUN have changed to fail status.
The final %d in the message indicates the number of online state paths that remain for that LUN.
%d and %u are numbers.
Action
Identify the failed LU using the "iompadm info" command, respond as necessary to resolve the problem,
and recover the paths using the "iompadm restart" command.