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From: Roman Mamedov <rm@romanrm.net>
To: Reindl Harald <h.reindl@thelounge.net>
Cc: Pascal Hambourg <pascal@plouf.fr.eu.org>,
	Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: change UUID of RAID devcies
Date: Wed, 14 Sep 2022 00:32:28 +0500	[thread overview]
Message-ID: <20220914003228.4377cc6a@nvm> (raw)
In-Reply-To: <15f573c4-0c96-885f-659f-bfa2cbd698a7@thelounge.net>

On Tue, 13 Sep 2022 15:02:41 +0200
Reindl Harald <h.reindl@thelounge.net> wrote:

> > I would not convert existing arrays. Rather create new arrays on the new 
> > disks and copy the data
> i want my identical machines to stay as they are with all their UUIDs 
> which is the main topic here
> 
> it's not funny when you are used to rsync your /etc/fstab over 11 years 
> that doing so would lead in a unbootbale system on the other side

For this I'd suggest to use LABEL=rootfs (and so on) in fstab, instead of
UUIDs.

Or with LVM, /dev/vgname/lvname.

It's kind of the point of UUIDs that they are supposed to be (even globally)
unique, and there should not be the same UUID on two different machines.

-- 
With respect,
Roman

  parent reply	other threads:[~2022-09-13 19:35 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-12 15:04 change UUID of RAID devcies Reindl Harald
2022-09-12 21:37 ` Wol
2022-09-13 10:28   ` Reindl Harald
2022-09-13 10:39     ` Pascal Hambourg
2022-09-13 11:12       ` Reindl Harald
2022-09-13 11:17         ` Pascal Hambourg
2022-09-13 11:30           ` Reindl Harald
2022-09-13 11:35             ` Pascal Hambourg
2022-09-13 11:39               ` Reindl Harald
2022-09-13 11:48                 ` Pascal Hambourg
2022-09-13 11:50                   ` Reindl Harald
2022-09-13 12:03                     ` Pascal Hambourg
2022-09-13 12:21                       ` Reindl Harald
2022-09-13 12:47                         ` Pascal Hambourg
2022-09-13 13:02                           ` Reindl Harald
2022-09-13 14:12                             ` Pascal Hambourg
2022-09-13 19:32                             ` Roman Mamedov [this message]
2022-09-13 19:54                               ` Reindl Harald
2022-09-13 20:28                                 ` Roman Mamedov
2022-09-13 20:46                                   ` Reindl Harald
2022-09-13 20:48                                     ` Roman Mamedov
2022-09-13 20:56                                       ` Reindl Harald
2022-09-13 21:03                                         ` Roman Mamedov
2022-09-13 21:11                                           ` Reindl Harald
2022-09-13 21:13                                             ` Reindl Harald
2022-09-13 17:39         ` Wols Lists
2022-09-13 18:03           ` Reindl Harald
2022-09-13 19:44             ` Wol
2022-09-13 19:53               ` Reindl Harald
2022-11-27 20:03                 ` Reindl Harald
2022-09-13 15:37     ` Reindl Harald

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