From: Filipe Manana <fdmanana@gmail.com>
To: "Jakob Schürz" <wertstoffe@nurfuerspam.de>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs-balance causes system-freeze on full disk
Date: Tue, 27 Oct 2015 17:09:02 +0000 [thread overview]
Message-ID: <CAL3q7H7YteBC_jFNRQxZsWmw9TamEskXpY7NJAbMfcpGhYnoHg@mail.gmail.com> (raw)
In-Reply-To: <40k4gc-scp.ln1@aldebaran.xundeenergie.at>
On Tue, Oct 27, 2015 at 4:05 PM, Jakob Schürz <wertstoffe@nurfuerspam.de> wrote:
> Found a new habit...
>
> I have a lot Snapshots on my drive. (Take every 10 Min a new one, every
> houry one, every day one, every system-update, every plugin after
> external HD...)
>
> If there are to much snapshots (didn't find out the count how much
> exactly) balancing fails with a system-freeze.
> if i delete some of my snapshots, balancing is working...
>
> Maybe this is a hint for bugfixing!!
A patch set to fix this issue was already sent yesterday and tested
over the weekend by Stéphane:
http://thread.gmane.org/gmane.comp.file-systems.btrfs/49630
cheers
>
> Do you think?
>
> greez
>
> Jakob
>
> Am 2015-10-21 um 22:51 schrieb Kyle Manna:
>> I had a number of similar btrfs balance crashes in the past few days,
>> but the disk wasn't full. You should try tailing the system logs from
>> a remote machine when it happens. You'll likely see some bug info
>> before the system dies and becomes unusable.
>>
>> The issue I encountered is described @
>> https://bugzilla.kernel.org/show_bug.cgi?id=105681
>> ᐧ
>>
>> On Wed, Oct 21, 2015 at 12:38 PM, Jakob Schürz
>> <wertstoffe@nurfuerspam.de> wrote:
>>> Hi there!
>>>
>>> Is it possible, what i've recognized now. My system (debian) runs on
>>> btrfs, and i have a lot of snapshots on my hard-disk.
>>> Since some days my system freezes totally. I recognized, it always
>>> happens during btrfs-balance.
>>>
>>> So i deleted some of the old snapshots and tried another balance-run.
>>> Nothing happened... No system-freeze.
>>>
>>> System-freeze means: No Keyboard-action. The Mouse is frozen, the screen
>>> is frozen, no magic-sysreq, no ssh-login.
>>>
>>> Can btrfs cause such a freeze??
>>>
>>> greez
>>>
>>> jakob
>>> --
>>> http://xundeenergie.at
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>>> http://cogitationum.wordpress.com/
>>>
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>
>
> --
> http://xundeenergie.at
> http://verkehrsloesungen.wordpress.com/
> http://cogitationum.wordpress.com/
>
--
Filipe David Manana,
"Reasonable men adapt themselves to the world.
Unreasonable men adapt the world to themselves.
That's why all progress depends on unreasonable men."
next prev parent reply other threads:[~2015-10-27 17:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-21 19:38 btrfs-balance causes system-freeze on full disk Jakob Schürz
2015-10-21 20:51 ` Kyle Manna
2015-10-21 21:04 ` Jakob Schürz
2015-10-22 3:34 ` Duncan
2015-10-27 16:05 ` Jakob Schürz
2015-10-27 17:09 ` Filipe Manana [this message]
2015-10-27 17:09 ` Hugo Mills
2015-10-27 18:23 ` Jakob Schürz
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