Hi Jonas,
On Fri, Aug 07, 2009 at 05:01:30PM +0200, Jonas Meurer wrote:
> i suggest to go the same way for all device-mapper devices. at least the
> same argument (stable device names and more descriptive) holds for all
> of them. so i don't see a reason why to treat lvm devices different
> from dmraid or dm-crypt devices.
I was secretly hoping to get away with doing just that. :-)
The case seems pretty clear for
- cryptsetup mappings
- LVM LVs
I'm less sure about dmraid. From what I learned the device
paths there are stable, but controller dependent. So you would
have invalid paths after moving disks to another controller.
This might be an argument in favour of UUIDs for dmraid?
For multipath, as I understood Guido, it is preferrable to
refer to them via /dev/disk/by-id/ symlinks.
Max
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