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From: David Teigland <>
To: Demi Marie Obenour <>
Cc: LVM general discussion and development <>
Subject: Re: [linux-lvm] LVM fast mode
Date: Mon, 7 Mar 2022 10:23:53 -0600	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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.

linux-lvm mailing list
read the LVM HOW-TO at

      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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