Gentoo Archives: gentoo-user

From: antlists <antlists@××××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] duplicate gentoo system - errors
Date: Wed, 25 Nov 2020 17:45:05
Message-Id: 3231c2c9-6da0-7f5f-7366-6560042e2057@youngman.org.uk
In Reply to: Re: [gentoo-user] duplicate gentoo system - errors by Rich Freeman
1 On 25/11/2020 15:17, Rich Freeman wrote:
2 > On Wed, Nov 25, 2020 at 8:55 AM Wols Lists <antlists@××××××××××××.uk> wrote:
3 >>
4 >> On 25/11/20 13:31, Rich Freeman wrote:
5 >>> Now, one area I would use UUIDs is with mdadm if you're not putting
6 >>> lvm on top. I've seen mdadm arrays get renumbered and that is a mess
7 >>> if you're directly mounting them without labels or UUIDs.
8 >>
9 >> It is recommended to use names, so I call it by what it is, so I have
10 >> things like /dev/md/gentoo, /dev/md/home etc.
11 >
12 > Is that supported with the original metadata format? I suspect that
13 > was a big constraint since at the time my bootloader didn't support
14 > anything newer.
15 >
16 Which format is this? version zero (i.e. just mdadm.conf), or 0.9 which
17 is the kernel auto-assembly version. Either way, they're obsolete and
18 bit-rotting.
19
20 I guess you do need version 1 (the difference between 1.0, 1.1 and 1.2
21 is the location of the superblock, not the layout).
22
23 Cheers,
24 Wol