From: Jes Sorensen <jes@trained-monkey.org>
To: NeilBrown <neilb@suse.de>
Cc: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: [PATCH mdadm] Super1: allow RAID0 layout setting to be removed.
Date: Wed, 14 Oct 2020 11:42:37 -0400 [thread overview]
Message-ID: <5ed5ae61-75ec-5203-d2cd-d6cdccfe124c@trained-monkey.org> (raw)
In-Reply-To: <871ri1h7xb.fsf@notabene.neil.brown.name>
On 10/13/20 10:12 PM, NeilBrown wrote:
>
> Once the RAID0 layout has been set, the RAID0 array cannot be assembled
> on an older kernel which doesn't understand layouts.
> This is an intentional safety feature, but sometimes people need the
> ability to roll-back to a previously working configuration.
>
> So add "--update=layout-unspecified" to remove RAID0 layout information
> from the superblock.
> Running "--assemble --update=layout-unspecified" will cause the assembly
> the fail when run on a newer kernel, but will allow it to work on
> an older kernel.
>
> Signed-off-by: NeilBrown <neilb@suse.de>
Applied!
Please press [enter] to start your upgrade to linux-2.2.26..... :)
Thanks,
Jes
prev parent reply other threads:[~2020-10-14 15:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-14 2:12 [PATCH mdadm] Super1: allow RAID0 layout setting to be removed NeilBrown
2020-10-14 15:42 ` Jes Sorensen [this message]
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