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Date: Wed, 20 Jul 2005 09:10:22 GMT
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To: freebsd-doc@FreeBSD.org
From: "Julien Gabel" <jpeg@thilelli.net>
Cc: 
Subject: Re: docs/83771: handbook/raid.html and atacontrol.
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The following reply was made to PR docs/83771; it has been noted by GNATS.

From: "Julien Gabel" <jpeg@thilelli.net>
To: "Edwin Groothuis" <edwin@mavetju.org>
Cc: bug-followup@FreeBSD.org
Subject: Re: docs/83771: handbook/raid.html and atacontrol.
Date: Wed, 20 Jul 2005 11:05:24 +0200 (CEST)

 >>Number:         83771
 >>Category:       docs
 >>Synopsis:       handbook/raid.html and atacontrol
 >>Confidential:   no
 >>Severity:       serious
 >>Priority:       medium
 >>Responsible:    freebsd-doc
 >>State:          open
 >>Quarter:
 >>Keywords:
 >>Date-Required:
 >>Class:          doc-bug
 >>Submitter-Id:   current-users
 >>Arrival-Date:   Wed Jul 20 07:20:16 GMT 2005
 >>Closed-Date:
 >>Last-Modified:
 >>Originator:     Edwin Groothuis
 >>Release:        FreeBSD 5.2.1-RELEASE i386
 >>Organization:
 >>Environment:
 > System: FreeBSD garak.mavetju 5.4
 >
 >>Description:
 >>How-To-Repeat:
 >>Fix:
 >
 > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/raid.html
 > says (at the bottom):
 >
 > 	3.  Reattach the disk as a spare:
 > 	    # atacontrol attach 3
 > 	    Master:  ad6 <MAXTOR 6L080J4/A93.0500> ATA/ATAPI rev 5
 > 	    Slave:   no device present
 >
 > Trying that command, it complains that:
 > 	garak# atacontrol attach 3
 > 	atacontrol: ioctl(ATAATTACH): File exists
 >
 > The right command was:
 > 	garak# atacontrol addspare ar0 ad6
 >
 > Of course, I could be totally wrong about this, but it works for
 > me (on 5.4). Thanks to Darius@#thatircchannel for his help.
 
 
 I think it may be because the corresponding failed drive was lost in the
 array configuration, say:
  # atacontrol status ar0
  ar0: ATA RAID1 subdisks: ad4 status: DEGRADED
 Instead of:
  # atacontrol status ar0
  ar0: ATA RAID1 subdisks: ad4 ad6 status: DEGRADED
                               ^^^
 
 I encoutered a very similar problem recently, and resolved it this way:
  http://www.thilelli.net/~jgabel/archives/2005/07/#e2005-07-06T15_39_56.txt
 
 So it not an error in the documentation, but maybe this one may be
 completed.
 
 -- 
 -jpeg.