From: David Teigland <teigland@redhat.com>
To: Demi Marie Obenour <demi@invisiblethingslab.com>
Cc: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] LVM fast mode
Date: Mon, 7 Mar 2022 10:23:53 -0600 [thread overview]
Message-ID: <20220307162353.GA15974@redhat.com> (raw)
In-Reply-To: <fec7624b-29de-0a04-0856-fa17800f3c30@invisiblethingslab.com>
On Mon, Mar 07, 2022 at 09:55:08AM -0500, Demi Marie Obenour wrote:
> Would it be possible to have a fast, but less-safe mode for lvm2?
> Right now lvm2 always enumerates every single block device on
> the system, which is hugely wasteful when one knows exactly which
> block devices are the PVs that will be affected by the operation.
You can do this by listing the PVs you know are needed with the --devices
option (or using a filter on older versions.)
> know what they are doing, and that know that e.g. clustering is not
> in use. Using this in conjunction with clustering is a bug in the
> application.
lvm won't be doing any cluster-related activity unless you have enabled
lvmlockd and have created a shared vg.
Dave
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prev parent reply other threads:[~2022-03-07 16:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-07 14:55 [linux-lvm] LVM fast mode Demi Marie Obenour
2022-03-07 16:23 ` David Teigland [this message]
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