From: Roman Mamedov <rm@romanrm.net>
To: Chris Murphy <lists@colorremedies.com>
Cc: Paul Leiber <paul@onlineschubla.de>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: Parent transid verify failed (and more): BTRFS for data storage in Xen VM setup
Date: Sun, 11 Apr 2021 12:10:34 +0500 [thread overview]
Message-ID: <20210411121034.373468ac@natsu> (raw)
In-Reply-To: <CAJCQCtRqaxE6k9JGK+xSF-onTcVTjageC4dWoPdD+RARMK652w@mail.gmail.com>
On Sat, 10 Apr 2021 17:06:22 -0600
Chris Murphy <lists@colorremedies.com> wrote:
> Right. The block device (partition containing the Btrfs file system)
> must be exclusively used by one kernel, host or guest. Dom0 or DomU.
> Can't be both.
>
> The only exception I'm aware of is virtiofs or virtio-9p, but I
> haven't messed with that stuff yet.
If you want an FS that allows a block device to be mounted by multiple machines
at the same time, there are a few:
https://en.wikipedia.org/wiki/Clustered_file_system#Shared-disk_file_system
--
With respect,
Roman
next prev parent reply other threads:[~2021-04-11 7:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-10 13:38 Parent transid verify failed (and more): BTRFS for data storage in Xen VM setup Paul Leiber
2021-04-10 14:48 ` Roman Mamedov
2021-04-10 21:28 ` AW: " Paul Leiber
2021-04-10 23:06 ` Chris Murphy
2021-04-11 4:50 ` Andrei Borzenkov
2021-04-11 7:10 ` Roman Mamedov [this message]
2021-04-11 20:43 ` Adam Borowski
2021-04-26 20:23 ` AW: " Paul Leiber
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