martin f krafft <madduck@xxxxxxxxxx> writes:
> also sprach Goswin von Brederlow <goswin-v-b@xxxxxx> [2010.02.23.0831 +0100]:
>> Both filesystems and LVM have UUIDs. Does dm-crypt / LUKS have one
>> too?
>
> LVM already identifies PVs using UUIDs, so if you are using
> anything-on-LVM-on-md, you need not worry about device names anyway.
>
> dm-crypt currently needs to be told explicitly to use a base device
> using /dev/disk/by-uuid if you want it to be flexible.
>
> The only issue homehost protects against, I think, is machines that
> use /dev/md0 directly from grub.conf or fstab.
grub.cfg (grub2) uses UUID for grub itself. But the kernel can be bootet
with root=/dev/md0. But in that case where does it get the homehost from
and since when does kernel raid autoconfig have a homehost?
Any other case you have an initramfs that can use LABEL or UUID. Same
for fstab.
MfG
Goswin
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