[8749] in linux-scsi channel archive
Re: [Fwd: Problems with ORB disk spin-down on Linux...]
daemon@ATHENA.MIT.EDU (.sig)
Sun May 7 03:35:29 2000
Date: Sun, 7 May 2000 03:32:50 -0400 (EDT)
From: ".sig" <sig@netdot.net>
To: John Muir <jdmuir@home.com>
Cc: Linux SCSI <linux-scsi@vger.rutgers.edu>
In-Reply-To: <39149FEA.EFB6A1FE@home.com>
Message-ID: <Pine.LNX.4.21.0005070324550.1170-100000@roxanne.slash.netdot.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
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On Sat, 6 May 2000, John Muir wrote:
> Hi,
>
> I recently sent the message below to Castlewood. When the ORB drive
> spins-down (sleeps), attempts to access the drive afterwards fail (I/O
> errors). In order to access the disk I have to unmount the disk, and
> remount it.
I have a Castlewood drive hooked up to an Adaptec 2940 UW, running kernel
2.2.14. Spinning up and down isn't a problem. It doesn't matter how long
or whether it was unmounted or mounted, it always spins up and IO works
fine. However, I have another problem where If the disk is unmounted and
then ejected, then put back in. As soon as I mount it again, the machine
grinds puts major activity on the SCSI bus and it the machine eventually
grinds to a halt. I have to hard reboot it to recover.
Unmounting and mounting is fine, but only if I don't eject in between. I
upgraded to kernel 2.2.15pre19, and the ORB drive stopped working all
together. I couldn't even mount it, I just got the error:
mount: /dev/sdc5 has wrong major or minor number
though, I can fdisk /dev/sdc under 2.2.15pre19. I'll try out 2.2.15 in a
little while and see if anything changes with the release version.
- -cya
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