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From: David Teigland <teigland@redhat.com>
To: Zhiyong Ye <yezhiyong@bytedance.com>
Cc: linux-lvm@redhat.com
Subject: Re: [linux-lvm] vgcreate doesn't work with lvmlockd running
Date: Thu, 5 May 2022 09:07:53 -0500	[thread overview]
Message-ID: <20220505140753.GA30224@redhat.com> (raw)
In-Reply-To: <8d9bb1b4-9f79-d557-e3d9-2b8e5f53e751@bytedance.com>

On Thu, May 05, 2022 at 02:08:36PM +0800, Zhiyong Ye wrote:
> root@n151-143-035:~# lvmlockd -V
> lvmlockd version: 2.03.02(2) (2018-12-18)
> root@n151-143-035:~# sanlock -V
> sanlock 3.6.0 (built Jul 11 2018 12:44:29)

> It is mentioned in the main page under "creating the first sanlock VG"
> that the first VG is created to get the global lock, so I create the VG
> directly:
> 
> root@n151-143-035:~# vgcreate --lock-type sanlock --shared test
> /dev/mapper/mpatha1 --verbose

This is correct.

>   Enabling sanlock global lock
>     Wiping signatures on new PV /dev/mapper/mpatha1.
>     Set up physical volume for "/dev/mapper/mpatha1" with 2147483648
> available sectors.
>     Zeroing start of device /dev/mapper/mpatha1.
>     Writing physical volume data to disk "/dev/mapper/mpatha1".
>   Physical volume "/dev/mapper/mpatha1" successfully created.
>     Adding physical volume '/dev/mapper/mpatha1' to volume group 'test'
>     Archiving volume group "test" metadata (seqno 0).
>     Creating logical volume lvmlock
>     Creating volume group backup "/etc/lvm/backup/test" (seqno 2).
>     Activating logical volume test/lvmlock.
>     activation/volume_list configuration setting not defined: Checking only
> host tags for test/lvmlock.
>     Creating test-lvmlock
>     Loading table for test-lvmlock (254:1).
>     Resuming test-lvmlock (254:1).
>   /dev/test/lvmlock: not found: device not cleared
>   Aborting. Failed to wipe start of new LV.

This looks like a bug, and it does look familiar.  I'd guess that section
of code is missing a call to synchronize with udev (sync_local_dev_names).
Unfortunately your version of lvm (and sanlock) are old enough that it's
hard to say immediately if it's fixed.  The best option would be trying
newer versions where it's most likely been fixed.

Dave
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  reply	other threads:[~2022-05-05 14:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-05  6:08 Zhiyong Ye
2022-05-05 14:07 ` David Teigland [this message]
2022-05-06 13:27   ` Zhiyong Ye

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