REPLY: 2:240/12 6251c19c
MSGID: 2:240/77 6286db1d
CHRS: LATIN-1 2
TID: hpt/lnx 1.4.0-sta 09-04-05
Hello Gerrit!

13 May 22, Gerrit Kuehn wrote to Maurice Kinal:

 GK> meanwhile uefi works fine for me and is actually easier to set up and
 GK> maintain, so I use it on all new machines now.

Really? It took 4 or 5 days until i got my fido server up and running again.
The only task i wanted to do was to move the system from a 4TB disk to a 2TB
disk. To reduce the partition sizes i created the target tables from a rescue
boot and rsync'd the files to their destinatitions. The partition layout was
the same but with differnt size and the system failed to boot.

I'm not sure that understood anything but i looks like uefi is a mini grub
within the bios. The boot device is added to the uefi boot list by uuid.

If you replace a disk on the same sata port with a newly formated disk of the
same layout the boot will fail because the uuid are different.

This failure will repeat for any file based restore within grub and within the
system itself because after grub the uuid of the initrd and in the /etc/fstab
will not match any more.

I've no idea what the final correct solution was. Finally i was so p'd off
that i dd'd the whole partitions sda1/sda2... to the new destination. I think
that would kept the uuid intact and after three successful reboots i put my
hands of the running systems.

I can't see the improvement there. To keep a track of the activ uuids i
started to record blkid output into fstab.

The best improvement was to make use of my pxe server for the rescue boots. 
Regards

Kai

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