[linux-lvm] LVM preference for multipath verses disk/by-id/scsi

Bryn M. Reeves bmr at redhat.com
Mon Jan 4 12:54:18 UTC 2010

On Wed, 2009-12-30 at 12:52 +0100, brem belguebli wrote:
> Hi,
> see man 5 lvm.conf there is an option called preferred_names which is
> well explained
> It'll instruct lvm to use the preferred_names you configured in the
> lvm.conf file if they exist
> ie : preferred_names = "/dev/mpath/" will use /dev/mpath/XXX instead
> of /dev/mapper/XXX

It's best not to use the symlinks in /dev/mpath - they are not always
reliable. Use the device nodes created in /dev/mapper instead.


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