[CentOS] add on sata card relabeling drives, installation

Sat Oct 1 23:37:23 UTC 2011
Cliff Pratt <enkiduonthenet at gmail.com>

On Sun, Oct 2, 2011 at 5:24 AM, Lamar Owen <lowen at pari.edu> wrote:
> On Saturday, October 01, 2011 12:56:46 AM Cliff Pratt wrote:
>> prompt> tune2fs /dev/sdb1 -U c491d94e-7004-4b08-9993-4c9a7a25b6b1
> As the saying goes, try typing that fast ten times.... and see how many
> times the UUID ends up being fat-fignered.
I said, in a bit that you snipped, cut-and-paste.
> Unless the UUID contains spellable words that use only the hex digits
> (like deadbeef, cafebabe, or similar). (you can find a list of 1196 hex
> words at http://nedbatchelder.com/text/hexwords.html )
> Mnemonics are essential for jogging the memory... oh, wait....
> "Now, was that filesystem with the backup copy of that priceless
> one-in-a-lifetime video c491d94e-7004-4b08-9993-4c9a7a25b6b1 or was
> it bb6c2bb9-f01e-3135-a8de-9f885a7afdef or maybe it was
> f82ffa31-2587-3db8-970a-36e54e72621b... oh, I don't remember!"
That's silly. The UUID is probably only of interest when the disk or
partition is being mounted. If it isn't mounted, mount it and *look*.
> But I guess if you physically label the disk with the partitioning and
> the UUID's of each filesystem, it might be workable.
> Too bad many, if not most, drive serial numbers are not spellable in hex....