[9356] in linux-scsi channel archive
Re: Adaptec dies after powerloss of a drive
daemon@ATHENA.MIT.EDU (Martin Peschke)
Fri Aug 11 08:45:23 2000
Date: Fri, 11 Aug 2000 14:16:13 +0200 (MET DST)
From: Martin Peschke <peschke@fh-brandenburg.de>
To: System V <sysv@wildape.com>
cc: linux-scsi@vger.rutgers.edu
In-Reply-To: <3993CD80.EF7624DD@wildape.com>
Message-ID: <Pine.GSO.4.10.10008111411120.8523-100000@zeus.fh-brandenburg.de>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
On Fri, 11 Aug 2000, System V wrote:
> Hello, I'm building a redundent fileserver.
> Consisting of 2 linux boxis, both equipt with:
> Proc PIII 600
> Mem 256M
> SystemHD 17Gb IDE
> SCSI-Controler Adaptec 29160N (AIC7xxx)
> ExportHD 3x 36Gb IBM SCSI
>
> I created the folowing chain:
> ____________
> / BOX 1 \
> | T-C-D-D-D--------\
> \____________/ |
> |
> ____________ |
> / BOX 2 \ |
> | T-C-D-D-D--------/
> \____________/
>
> T=Terminator
> C=Controler
> D=Disk
>
> Afcouce the disk's won't be mounted ond both machine at the same time
>
> When I pull the powercord of a disk, the scsi-bus crashes :-(.
> And the kernel starts complaining and resetting the scsi-bus (And it
> keeps on doing this)
> Meanwile, the system becomse _verry_ slow, so slow you can't do
> annyting...
Your scanario addresses the same problem as a previous posting ("shared
SCSI buses") does. Reset wars. Please, refer to answers on that posting.
> Can someone help me out here?
Eric Youngdale (modifications of the eh stuff in the mid-layer)
or the maintainer of the adapter driver of your choice (implementation of
different eh strategy for that driver)
Regards
Martin Peschke
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