From: Peter Waller <peter@scraperwiki.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: Machine lockup due to btrfs-transaction on AWS EC2 Ubuntu 14.04
Date: Tue, 5 Aug 2014 11:23:14 +0100 [thread overview]
Message-ID: <CAFChkqvyP2v1ueSH_9jSafArVbU2XMXNFxr1gqiXLMRm_DjX3Q@mail.gmail.com> (raw)
In-Reply-To: <CAFChkqt-1cpVhMRKvron6+nh2Vn01T8qfpx68Nzdfn5xHa2LSA@mail.gmail.com>
My current interpretation of this problem is that it is some
pathological condition caused by not rebalancing and being nearly out
of space for allocating more metadata and hence it is rarely being
seen by anyone else (because most users are regularly doing
rebalances).
See this thread for details about rebalancing and out of space:
"ENOSPC with mkdir and rename" on 2014-08-02:
http://thread.gmane.org/gmane.comp.file-systems.btrfs/37415
I haven't had the lockups now since July and I'm now trialling a
nightly rebalance:
$ btrfs filesystem balance start -dusage=50 -musage=10 "$mount"
I'll report back if I encounter further problems.
prev parent reply other threads:[~2014-08-05 10:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-29 8:04 Machine lockup due to btrfs-transaction on AWS EC2 Ubuntu 14.04 Peter Waller
2014-07-29 9:20 ` Peter Waller
2014-07-30 10:02 ` Peter Waller
2014-07-31 15:07 ` Peter Waller
2014-07-31 15:10 ` Peter Waller
2014-08-01 11:59 ` Peter Waller
2014-08-05 10:23 ` Peter Waller [this message]
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