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Date:      Thu, 26 Jan 1995 17:17:49 +0059 (MET)
From:      Andreas Schulz <ats@g386bsd.first.gmd.de>
To:        jhay@mikom.csir.co.za (John Hay)
Cc:        hackers@FreeBSD.org
Subject:   Re: Directory entries get corrupted?
Message-ID:  <199501261618.RAA12826@g386bsd.first.gmd.de>
In-Reply-To: <199501260713.JAA04848@zibbi.mikom.csir.co.za> from "John Hay" at Jan 26, 95 09:13:19 am

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> I have two machines here with their hardware almost identical: 486DX2-66,
> Adaptec 1542B SCSI card and Conner CFP1060S 1G disks. One is running 2.0R
> and the other is running current.
> When there is lots of disk activity like cvs checkout of the source tree
> or tar extract from a tape, a fsck will report that some directories are
> corrupted. The kernel however is quite happy with that directory it seems.
> If I remove that directory or move the data in the directory somewhere else
> and then remove the directory, fsck is quite happy with it.

I have seen exactly the same failures with a 1542 and a Conner CFP1060S
disk and it seems a firmware problem with the Conner disks. If you
have a chance to get a firmware upgrade from Conner, try that.
I have used after that a Fujitsu M2694 and now a Seagate Hawk disk
on the same hardware without any problems.
I have now seen three reports like that with Conner 1.0Gb udn 1.3Gb
disks and four people have reported no problems.
One mentioned there was a firmware upgrade for the 1.0Gb and only
early disks showed this problem. 
Under DOS there is no problem with that disk.
I have also used this disk with no problems for a short time in a SUN
and now it landed in a MAC with no problems.


	  ATS ( ats@first.gmd.de or ats@cs.tu-berlin.de )

Andreas Schulz  GMD-FIRST     12489  Berlin-Adlershof  Rudower Chaussee 5
Gebaeude 13.7   Tel: +49-30-6392-1856/+49-177-2134745    Germany/Europe



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