Messages in this thread | | | Date | Sat, 19 May 2001 17:43:07 +0100 | From | "Stephen C. Tweedie" <> | Subject | Re: LANANA: To Pending Device Number Registrants |
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Hi,
On Sat, May 19, 2001 at 05:29:32PM +1200, Chris Wedgwood wrote: > > Or you can fall back to mounting by UUID, which is globally > unique and still avoids referencing physical location. You also > don't need to manually set LABELs for UUID to work: all e2fsprogs > over the past couple of years have set UUID on partitions, and > e2fsck will create a new UUID if it sees an old filesystem that > doesn't already have one. > > Other filesystems such as reiserfs at present don't have such a > thing. I brought this a while ago and in theory it's not too hard, we > just need to get Hans to officially designate part of the SB or > whatever for the UUID.
There are other ways to deal with it: both md and (I think, in newer releases) LVM can pick up their logical config from scanning physical volumes for IDs, and so present a consistent logical device namespace despite physical devices moving around.
--Stephen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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