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Re: [linux-lvm] LVM with multi-path disks?



On Fri, Aug 03, 2001 at 04:16:20PM -0700, John DeFranco wrote:
> Does LVM work with multi-path disks? For example I have
> a fibre channel configuration in which I have two paths
> to each disk. I pvcreate a disk and am able to use it
> within a vg but when I reboot and do a vgscan, lvm cannot
> find any vg's. If I remove the second path lvm can see
> the vg fine.
> 
> Are there some configuration settings or such that need
> to be enabled?

Just to make it clear.  LVM does not currently have multipath support.  It
is planned for inclusion into LVM or possibly a separate driver to stack
with LVM after LVM 1.0 is released.

We are currently too busy dealing with trying to get a stable LVM release
out to start adding new features now, but hopefully multipathing and other
highly requested features will be supported soon.

For now it sounds like the best option is to patch MD to support
multipathing and stack LVM on top of that.

Regards,
-- 
AJ Lewis
Sistina Software Inc.                  Voice:  612-638-0500
1313 5th St SE, Suite 111              Fax:    612-638-0500
Minneapolis, MN 55414                  E-Mail: lewis sistina com
http://www.sistina.com

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