From: David Sterba <dsterba@suse.cz>
To: Anand Jain <anand.jain@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v7 RESEND Rebased] btrfs-progs: dump-tree: add noscan option
Date: Thu, 4 Jul 2019 01:39:05 +0200 [thread overview]
Message-ID: <20190703233905.GX20977@suse.cz> (raw)
In-Reply-To: <EFB71435-3B86-46A8-90A1-9DCA2BEFF934@oracle.com>
On Thu, Jul 04, 2019 at 06:16:54AM +0800, Anand Jain wrote:
>
>
> > On 4 Jul 2019, at 12:09 AM, David Sterba <dsterba@suse.cz> wrote:
> >
> > On Wed, Jun 26, 2019 at 01:30:17AM -0700, Anand Jain wrote:
> >> From: Anand Jain <Anand.Jain@oracle.com>
> >>
> >> The cli 'btrfs inspect dump-tree <dev>' will scan for the partner devices
> >> if any by default.
> >>
> >> So as of now you can not inspect each mirrored device independently.
> >>
> >> This patch adds noscan option, which when used won't scan the system for
> >> the partner devices, instead it just uses the devices provided in the
> >> argument.
> >>
> >> For example:
> >> btrfs inspect dump-tree --noscan <dev> [<dev>..]
> >>
> >> This helps to debug degraded raid1 and raid10.
> >>
> >> Signed-off-by: Anand Jain <anand.jain@oracle.com>
> >
> > This makes misc-test/021-image-multi-devices fail
> >
> > ====== RUN CHECK root_helper mount /dev/loop2 .../btrfs-progs/tests//mnt
> > ====== RUN CHECK md5sum .../btrfs-progs/tests//mnt/foobar
> > md5sum: .../btrfs-progs/tests//mnt/foobar: Input/output error
> > failed: md5sum .../btrfs-progs/tests//mnt/foobar
> > ====== RUN CHECK root_helper umount .../btrfs-progs/tests//mnt
> > ====== RUN CHECK root_helper losetup -d /dev/loop2
> > ====== RUN CHECK root_helper losetup -d /dev/loop3
> >
> > note the md5sum error, that does not happen otherwise
>
>
> I am on devel. It runs fine. Test-misc/021 doesn’t use dump-tree at all.
> Its strange that mnt/foobar fails to read in your case.
Sorry, I replied to the wrong patch, it's the other one "btrfs-progs:
dump-tree: add noscan option".
next prev parent reply other threads:[~2019-07-03 23:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-26 8:30 [PATCH v7 RESEND Rebased] btrfs-progs: dump-tree: add noscan option Anand Jain
2019-07-02 8:09 ` Anand Jain
2019-07-03 12:53 ` David Sterba
2019-07-03 13:02 ` David Sterba
2019-07-03 16:09 ` David Sterba
2019-07-03 22:16 ` Anand Jain
2019-07-03 23:39 ` David Sterba [this message]
2019-07-04 1:29 ` Anand Jain
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