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From: kaiser@ananke.stgt.sub.org (Andreas Kaiser)
Newsgroups: comp.unix.aix
Subject: how do I tell Aix about bad blocks?
Message-ID: <60.2792A653@ananke.stgt.sub.org>
Date: 14 Jan 91 22:41:07 GMT
Organization: Ananke, Stuttgart, FRG
Lines: 16

In a message of <Jan 11 14:13>, John Scott McCauley Jr. (jsm@lyman.pppl.gov ) writes: 

 JSMJ> Problem: bad blocks: 

 JSMJ> Other symptoms:
 JSMJ>         certify from concurrent diag: fails 10% though the disk complaining
 JSMJ>                 of too many unrecoverable errors.

 JSMJ> I suspect that somehow AIX wasn't told of the defect list.

SCSI device drivers need never NEVER be told of the media defect list, since 
defect handling is the job of the drive. A SCSI drive appears to the driver as 
defect-free (however its capacity gets reduced by this mechanism, so two 
identical drives usually have slightly different capacities). 

        Andreas