[linux-lvm] EMC Storage + LVM + XFS

Austin Gonyou austin at coremetrics.com
Fri May 25 14:46:01 UTC 2001


Yeah. I thought of all those things already, though thanks for the advice.
The DevFS idea is one I suppose I could try, but don't know if that's a
good idea. Thanks for your help!

-- 
Austin Gonyou
Systems Architect, CCNA
Coremetrics, Inc.
Phone: 512-796-9023
email: austin at coremetrics.com

On Fri, 25 May 2001, Christian, Chip wrote:

> You could play games with chains of:
> 	echo 'scsi-remove-single-device 1 0 0 2' >/proc/scsi/scsi
> 	echo 'scsi-add-single-device 1 0 0 1' >/proc/scsi/scsi
> to get them to line up how you want.
>
> You could use devfs and access your devices through
> /dev/sd/...
>
> On RedHat, at least, apparently you can use kudzu to do it (though I don't know how, not having explored this option).
>
> -----Original Message-----
> From: Austin Gonyou [mailto:austin at coremetrics.com]
> Sent: Thursday, May 24, 2001 22:46
> To: linux-lvm at sistina.com
> Subject: [linux-lvm] EMC Storage + LVM + XFS
>
>
> I have a potential dilemma, and I'd like some feedback for those who might
> be able to give it. If I have say 2-4 Fibre HBAs connected to an EMC
> Symmetrix say 3930, and I create volumes, then disks are added some of
> which who's LUN value is lower than disks already in the system, wouldn't
> that cause all my sd values to change and move? I know if I add a scsi
> disk into a LAS array that happens. So if this does happen, what's a good
> procedure for recovering from it and making sure all my volumes are ok?
>
>




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