From: Gionatan Danti <g.danti@assyoma.it>
To: LVM general discussion and development <linux-lvm@redhat.com>
Cc: Chris Murphy <lists@colorremedies.com>
Subject: Re: [linux-lvm] swap on thin-provisioning
Date: Sun, 29 Nov 2020 13:52:29 +0100 [thread overview]
Message-ID: <608365664c2a18db4e756f524c0e76da@assyoma.it> (raw)
In-Reply-To: <CAJCQCtS8jzLJrFnG=+dAyimOHZMHka9zyKEeF5JzOjufv3YPqw@mail.gmail.com>
Il 2020-11-29 01:18 Chris Murphy ha scritto:
> What about a swapfile (on ext4 or XFS) onr a thin volume? In this
> case, I'd expect fallocate would set the LE to PE mapping, and it
> should work. But does it work for both paging and hibernation files?
If things did not change, fallocate does *not* allocate PE space (ie:
they are not passed down to the underlying thin pool).
Moreover, I expect for a memory-starved machine to page out pool
metadata (right?) so I would not use a thin volume for swap.
Regards.
--
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti@assyoma.it - info@assyoma.it
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next prev parent reply other threads:[~2020-11-29 12:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-29 0:18 [linux-lvm] swap on thin-provisioning Chris Murphy
2020-11-29 12:52 ` Gionatan Danti [this message]
2020-11-29 15:12 ` Sreyan Chakravarty
2020-11-30 8:39 ` Gionatan Danti
2020-11-29 16:19 ` Nicholas Geovanis
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