kern/72116: tagged queueing broken on quantum Atlas10K3

Kipp Holger h.kipp at eurowings.com
Mon Oct 18 05:20:33 PDT 2004


The following reply was made to PR kern/72116; it has been noted by GNATS.

From: "Kipp Holger" <h.kipp at eurowings.com>
To: <freebsd-gnats-submit at FreeBSD.org>
Cc: <hk at alogis.com>
Subject: Re: kern/72116: tagged queueing broken on quantum Atlas10K3
Date: Mon, 18 Oct 2004 13:14:03 +0200

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 Problem solved.
 
 One of the three disks in use (brand new) had a very strange caching
 and therefore timing/performance behaviour during write operations.
 Write performance was 'oscillating' between 0 (zero) and maximum.
 
 Disk will be replaced. Sorry for the noise.
 
 Holger Kipp
 
 
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 <P><FONT SIZE=3D2>Problem solved.<BR>
 <BR>
 One of the three disks in use (brand new) had a very strange caching<BR>
 and therefore timing/performance behaviour during write operations.<BR>
 Write performance was 'oscillating' between 0 (zero) and maximum.<BR>
 <BR>
 Disk will be replaced. Sorry for the noise.<BR>
 <BR>
 Holger Kipp<BR>
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