From: Marc MERLIN <marc@merlins.org>
To: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Cc: Btrfs BTRFS <linux-btrfs@vger.kernel.org>,
Josef Bacik <jbacik@fb.com>, Qu Wenruo <quwenruo@cn.fujitsu.com>,
David Sterba <dsterba@suse.cz>
Subject: Re: ctree.c:197: update_ref_for_cow: BUG_ON `ret` triggered, value -5
Date: Fri, 7 Jul 2017 09:38:34 -0700 [thread overview]
Message-ID: <20170707163834.GA6083@merlins.org> (raw)
In-Reply-To: <20170707093318.GD3224@fnst>
On Fri, Jul 07, 2017 at 05:33:20PM +0800, Lu Fengqi wrote:
> I apologise for my late reply. As a colleague left, I have to take over his
> work recently.
no worries.
> >Mmmh, never mind, it seems that the software raid suffered yet another
> >double disk failure due to some undermined flakiness in the underlying block
> >device cabling :-/
> >That would likely explain the failures here.
>
> I'm sorry for hear this. Which raid level are you using? So could you recover
> from this double disk failure?
The disks aren't failed, and the array wasn't being written to.
It's just a matter of putting the disks back in the md raid5 array in the
right order.
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/
next prev parent reply other threads:[~2017-07-07 16:38 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-20 14:39 4.11.3: BTRFS critical (device dm-1): unable to add free space :-17 => btrfs check --repair runs clean Marc MERLIN
2017-06-20 15:23 ` Hugo Mills
2017-06-20 15:26 ` Marc MERLIN
2017-06-20 15:36 ` Hugo Mills
2017-06-20 15:44 ` Marc MERLIN
2017-06-20 23:12 ` Marc MERLIN
2017-06-20 23:58 ` Marc MERLIN
2017-06-21 3:31 ` Chris Murphy
2017-06-21 3:43 ` Marc MERLIN
2017-06-21 15:13 ` How to fix errors that check --mode lomem finds, but --mode normal doesn't? Marc MERLIN
2017-06-21 23:22 ` Chris Murphy
2017-06-22 0:48 ` Marc MERLIN
2017-06-22 2:22 ` Qu Wenruo
2017-06-22 2:53 ` Marc MERLIN
2017-06-22 4:08 ` Qu Wenruo
2017-06-23 4:06 ` Marc MERLIN
2017-06-23 8:54 ` Lu Fengqi
2017-06-23 16:17 ` Marc MERLIN
2017-06-24 2:34 ` Marc MERLIN
2017-06-26 10:46 ` Lu Fengqi
2017-06-27 23:11 ` Marc MERLIN
2017-06-28 7:10 ` Lu Fengqi
2017-06-28 14:43 ` Marc MERLIN
2017-05-01 17:06 ` 4.11 relocate crash, null pointer Marc MERLIN
2017-05-01 18:08 ` 4.11 relocate crash, null pointer + rolling back a filesystem by X hours? Marc MERLIN
2017-05-02 1:50 ` Chris Murphy
2017-05-02 3:23 ` Marc MERLIN
2017-05-02 4:56 ` Chris Murphy
2017-05-02 5:11 ` Marc MERLIN
2017-05-02 18:47 ` btrfs check --repair: failed to repair damaged filesystem, aborting Marc MERLIN
2017-05-03 6:00 ` Marc MERLIN
2017-05-03 6:17 ` Marc MERLIN
2017-05-03 6:32 ` Roman Mamedov
2017-05-03 20:40 ` Marc MERLIN
2017-07-07 5:37 ` ctree.c:197: update_ref_for_cow: BUG_ON `ret` triggered, value -5 Marc MERLIN
2017-07-07 5:39 ` Marc MERLIN
2017-07-07 9:33 ` Lu Fengqi
2017-07-07 16:38 ` Marc MERLIN [this message]
2017-07-09 4:34 ` 4.11.6 / more corruption / root 15455 has a root item with a more recent gen (33682) compared to the found root node (0) Marc MERLIN
2017-07-09 5:05 ` We really need a better/working btrfs check --repair Marc MERLIN
2017-07-09 6:34 ` 4.11.6 / more corruption / root 15455 has a root item with a more recent gen (33682) compared to the found root node (0) Marc MERLIN
2017-07-09 7:57 ` Martin Steigerwald
2017-07-09 9:16 ` Paul Jones
2017-07-09 11:17 ` Duncan
2017-07-09 13:00 ` Martin Steigerwald
2017-07-29 19:29 ` Imran Geriskovan
2017-07-29 23:38 ` Duncan
2017-07-30 14:54 ` Imran Geriskovan
2017-07-31 4:53 ` Duncan
2017-07-31 20:32 ` Imran Geriskovan
2017-08-01 1:36 ` Duncan
2017-08-01 15:18 ` Imran Geriskovan
2017-07-31 21:07 ` Ivan Sizov
2017-07-31 21:17 ` Marc MERLIN
2017-07-31 21:39 ` Ivan Sizov
2017-08-01 16:41 ` Ivan Sizov
2017-07-31 22:00 ` Justin Maggard
2017-08-01 6:38 ` Marc MERLIN
2017-05-02 19:59 ` 4.11 relocate crash, null pointer + rolling back a filesystem by X hours? Kai Krakow
2017-05-02 5:01 ` Duncan
2017-05-02 19:53 ` Kai Krakow
2017-05-23 16:58 ` Marc MERLIN
2017-05-24 10:16 ` Duncan
2017-05-05 1:19 ` Qu Wenruo
2017-05-05 2:10 ` Qu Wenruo
2017-05-05 2:40 ` Marc MERLIN
2017-05-05 5:03 ` Qu Wenruo
2017-05-05 15:43 ` Marc MERLIN
2017-05-17 18:23 ` Kai Krakow
2017-05-05 1:13 ` Qu Wenruo
2017-06-29 13:36 ` How to fix errors that check --mode lomem finds, but --mode normal doesn't? Lu Fengqi
2017-06-29 15:30 ` Marc MERLIN
2017-06-30 14:59 ` Lu Fengqi
2017-06-22 4:08 ` Qu Wenruo
2017-06-21 12:04 ` 4.11.3: BTRFS critical (device dm-1): unable to add free space :-17 => btrfs check --repair runs clean Duncan
2017-06-21 3:26 ` Chris Murphy
2017-06-21 4:06 ` Marc MERLIN
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