Re: disaster recovery Q's

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> In my experience,
> the UUID is also embedded internal to the initrd.img
> and this also should be consistent with the UUID in grub.conf

> [root@localhost clean]# less init

> near the end look for "mkrootdev" line:
> echo Creating root device.
> mkrootdev -t ext3 -o defaults,ro UUID=54c84c0a-040b-43bd-8887-202519baaae2

> So my question remains:
> If i try to use labels instead of UUID, do i have to modify this mkrootdev
> line in init (initrd.img) ?

As long as the UUID in init (in initrd) and the root entry in
grub.conf (whether UUID, LABEL, or /dev/xxxx) point to the same
partition, you are OK.

That it why you can switch the grub.conf entries without having to
change the UUID (or whatever other way that you are pointing to the
root partition).

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