Re: Cannot update homehost of an existing array: mdadm: /dev/sda3 has wrong name.

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On Sat, Oct 19, 2024 at 11:03:53AM +0100, Geoff Back wrote:
> I think instead of --name=realhostname you need --homehost=realhostname
> here.

Thanks for spotting this. It has worked now.

In the rescue system, the array was then available as /dev/md/md_root.
Booting the production system, the array became
/dev/md/realhostname:md_root. mdadm --detail says
Name : realhostname:md_root  (local to host realhostname)

Is this how things are supposed to work? I had the impression that the
host name part of the array name only shows up in /dev/md/ if it DOES
NOT equal the local host name of the running system?

Greetings
Marc

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