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From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: dsterba@suse.cz, Jorge Bastos <jorge.mrbastos@gmail.com>,
	Btrfs BTRFS <linux-btrfs@vger.kernel.org>,
	Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Subject: Re: Maybe we want to maintain a bad driver list? (Was 'Re: "bad tree block start, want 419774464 have 0" after a clean shutdown, could it be a disk firmware issue?')
Date: Thu, 22 Jul 2021 15:54:55 +0200	[thread overview]
Message-ID: <20210722135455.GU19710@twin.jikos.cz> (raw)
In-Reply-To: <8b830dc8-11d4-9b21-abe4-5f44e6baa013@gmx.com>

On Thu, Jul 22, 2021 at 08:18:21AM +0800, Qu Wenruo wrote:
> 
> 
> On 2021/7/22 上午1:44, David Sterba wrote:
> > On Fri, Jul 16, 2021 at 11:44:21PM +0100, Jorge Bastos wrote:
> >> Hi,
> >>
> >> This was a single disk filesystem, DUP metadata, and this week it stop
> >> mounting out of the blue, the data is not a concern since I have a
> >> full fs snapshot in another server, just curious why this happened, I
> >> remember reading that some WD disks have firmware with write caches
> >> issues, and I believe this disk is affected:
> >>
> >> Model family:Western Digital Green
> >> Device model:WDC WD20EZRX-00D8PB0
> >> Firmware version:80.00A80
> >
> > For the record summing up the discussion from IRC with Zygo, this
> > particular firmware 80.00A80 on WD Green is known to have problematic
> > firmware and would explain the observed errors.
> >
> > Recommendation is not to use WD Green or periodically disable the write
> > cache by 'hdparm -W0'.
> 
> Zygo is always the god to expose bad hardware.
> 
> Can we maintain a list of known bad hardware inside btrfs-wiki?
> And maybe escalate it to other fses too?

Yeah a list on wiki would be great, though I'm a bit skeptical about
keeping it up up to date, there are very few active wiki editors, the
knowledge is still mostly stored in the IRC logs. But without a landing
page on wiki we can't even start, so I'll create it.

  reply	other threads:[~2021-07-22 13:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-16 22:44 "bad tree block start, want 419774464 have 0" after a clean shutdown, could it be a disk firmware issue? Jorge Bastos
2021-07-21 17:44 ` David Sterba
2021-07-21 18:14   ` Jorge Bastos
2021-11-22 13:49     ` Jorge Bastos
2021-07-22  0:18   ` Maybe we want to maintain a bad driver list? (Was 'Re: "bad tree block start, want 419774464 have 0" after a clean shutdown, could it be a disk firmware issue?') Qu Wenruo
2021-07-22 13:54     ` David Sterba [this message]
2021-07-24 23:15       ` Zygo Blaxell
2021-07-25  3:34         ` Chris Murphy
2021-07-27  9:02           ` David Sterba
2021-07-25  5:27         ` Qu Wenruo
2021-07-26  2:53           ` Zygo Blaxell

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