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From: Chris Murphy <lists@colorremedies.com>
To: Marc MERLIN <marc@merlins.org>
Cc: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: 4.11.1: cannot btrfs check --repair a filesystem, causes heavy memory stalls
Date: Mon, 22 May 2017 17:26:25 -0600	[thread overview]
Message-ID: <CAJCQCtSO5O7Pi-4oLsZNr6r6PLVEL6EXA6wpWPjBSUKYe9m4Gg@mail.gmail.com> (raw)
In-Reply-To: <20170522163156.5hcuw5tqfavjkmnm@merlins.org>

On Mon, May 22, 2017 at 10:31 AM, Marc MERLIN <marc@merlins.org> wrote:

>
> I already have 24GB of RAM in that machine, adding more for the real
> fsck repair to run, is going to be difficult and ndb would take days I
> guess (then again I don't have a machine with 32 or 48 or 64GB of RAM
> anyway).

If you can acquire an SSD, you can give the system a bunch of swap,
and at least then hopefully the check repair can complete. Yes it'll
be slower than with real RAM but it's not nearly as bad as you might
think it'd be, based on HDD based swap.



-- 
Chris Murphy

  reply	other threads:[~2017-05-22 23:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-21 21:47 4.11.1: cannot btrfs check --repair a filesystem, causes heavy memory stalls Marc MERLIN
2017-05-21 23:45 ` Marc MERLIN
2017-05-22  1:35   ` Marc MERLIN
2017-05-22  9:19     ` Duncan
2017-05-23 17:15       ` Marc MERLIN
2017-05-22 16:31     ` Marc MERLIN
2017-05-22 23:26       ` Chris Murphy [this message]
2017-05-22 23:57         ` Marc MERLIN
2017-05-23  2:07           ` Chris Murphy
2017-05-23 11:21             ` Austin S. Hemmelgarn
2017-05-23 16:49               ` Marc MERLIN
2017-05-23 18:32               ` Kai Krakow
2017-05-24 11:57                 ` Austin S. Hemmelgarn

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