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Re: What LVM support is missing?
From: |
Michael Rohleder |
Subject: |
Re: What LVM support is missing? |
Date: |
Mon, 04 May 2020 18:37:57 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hey Simon!
Simon Josefsson <address@hidden> writes:
> I'm thinking that having the root file system on LVM may be unsupported,
> so that manual could say that, but I'm not even sure that is true. I
> haven't tried it though. Perhaps 'lvm2' should be pre-installed on the
> default installation image to help move LVM support along.
>
> Another thought may be that constructing LVM partitions through the
> mapped-device mechanism is not supported:
>
> http://guix.gnu.org/manual/en/html_node/Mapped-Devices.html
>
> however as far as I can tell, LVM is working just as well as LUKS/RAID
> here: LVM just doesn't need any command to start the devices. The
> mapped-device approach appear to require out-of-band device creation for
> LUKS and RAID, just like is required for LVM. A no-op
> `lvm-device-mapping' could be added for completeness, and it might run
> 'pvscan --active ay' or something like that if we really wanted to but
> I'm not sure when that would be useful.
I use a root fs on lvm.
What helped me a lot was this posting, where I stole most things:
https://lists.gnu.org/archive/html/bug-guix/2020-02/msg00285.html
What (currrently) isnt working is the lvm device-mapper and (for me more
important) lvmcache...
--
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All the passengers carry their seats out onto the tarmac, placing the chairs
in the outline of a plane. They all sit down, flap their arms and make jet
swooshing sounds as if they are flying.
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