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Managing RAID on Linux
book

Managing RAID on Linux

by Derek Vadala
December 2002
Intermediate to advanced
260 pages
9h 18m
English
O'Reilly Media, Inc.
Content preview from Managing RAID on Linux

Verbose SCSI Reporting

It might also be helpful to enable additional error reporting for low-level SCSI hardware. This is helpful for diagnosing SCSI problems that might affect array performance and stability.

When building your kernel, just turn on the Verbose SCSI Error Reporting (CONFIG_SCSI_CONSTANT) feature in the SCSI section.

SCSI support  --->
 ...
 [*]   Verbose SCSI error reporting (kernel size +=12K)
 ...

Now SCSI messages that appear in the system logs will be more human-readable. For example:

Jun 27 18:15:53 apathy kernel: SCSI disk error : host 1 channel 0 id 2 lun 0 return
    code = 10000
Jun 27 18:15:53 apathy kernel:  I/O error: dev 08:61, sector 0
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Publisher Resources

ISBN: 9780596802035Errata Page