[systemd-devel] Antw: [EXT] Re: [systemd‑devel] the need for a discoverable sub‑volumes specification

[Chris Murphy]

On Mon, Nov 22, 2021 at 3:02 AM Ulrich Windl
<Ulrich.Windl at rz.uni-regensburg.de> wrote:
>
> >>> Lennart Poettering <lennart at poettering.net> schrieb am 19.11.2021 um 10:17
> in
> Nachricht <YZdrlBiIK3rt7l0z at gardel-login>:
> > On Do, 18.11.21 14:51, Chris Murphy (lists at colorremedies.com) wrote:
> >
> >> How to do swapfiles?
> >
> > Is this really a concept that deserves too much attention? I mean, I
> > have the suspicion that half the benefit of swap space is that it can
> > act as backing store for hibernation. But swap files are icky for that
> > since that means the resume code has to mount the fs first, but given
> > the fs is dirty during the hibernation state this is highly problematic.
> >
> > Hence, I have the suspicion that if you do swap you should probably do
> > swap partitions, not swap files, because it can cover all usecase:
> > paging *and* hibernation.
>
> Out of curiosity: What about swap LVs, possibly thin-provisioned ones?

I don't think that's supported.
https://listman.redhat.com/archives/linux-lvm/2020-November/msg00039.html


-- 
Chris Murphy