Re: change UUID of RAID devcies

[Reindl Harald <h.reindl@thelounge.net>]

Am 13.09.22 um 23:11 schrieb Reindl Harald:
> 
> 
> Am 13.09.22 um 23:03 schrieb Roman Mamedov:
>> On Tue, 13 Sep 2022 22:56:00 +0200
>> Reindl Harald <h.reindl@thelounge.net> wrote:
>>
>>> [root@srv-rhsoft:/var/lib/mpd/playlists]$ mdadm --detail /dev/md1 | grep
>>> Name
>>>                 Name : localhost.localdomain:1  (local to host
>>> localhost.localdomain)
>>
>> I have serverhostname.mydomain.net:1 there, perhaps due to creating 
>> arrays
>> not on install time, but long after the OS has been already installed 
>> and set
>> up properly with all the networking, domains and hostnames.
>>
>> In any case, you can change that name to your liking, and then replace
>> "UUID=..." with "name=..." in mdadm.conf, if that helps anything with 
>> your
>> intended configuration
> 
> not really and that is the point: i talk about a system where 
> boot+system itelf is on top of the array
> 
> there is no real solution and nobody has *real* expierience here - 
> trial&error can i do at my own given that half of the existung RAID10 
> will ly on a desk and whatever happens a resync and start from sract is 
> possible at any point in time

just for fun: that "name shit" was even different on two machines cloned 
by take out 2 of the 4 disks and rebuild both machines

thanks to UUID it didn't matter