From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Chris Murphy <lists@colorremedies.com>
Cc: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: 100% disk usage reported by "df", 60% disk usage reported by "btrfs fi usage" - this breaks userspace behaviour
Date: Sat, 07 Dec 2019 10:54:06 +0900 [thread overview]
Message-ID: <5b5f51dacbb44eb0318c136564c19364@wpkg.org> (raw)
In-Reply-To: <CAJCQCtTB8oKnG0kAkYC_wCvVE1WBYHrAYhWoZR5zKsmGgut6AA@mail.gmail.com>
On 2019-12-07 10:05, Chris Murphy wrote:
> On Fri, Dec 6, 2019 at 5:47 PM Tomasz Chmielewski <mangoo@wpkg.org>
> wrote:
>>
>> On 2019-12-06 12:54, Chris Murphy wrote:
>>
>> > What version of coreutils?
>>
>> This is Ubuntu 18.04 LTS, with coreutils 8.28.
>>
>>
>> > Maybe attach a strace of df? (I'm not sure of the list attach size
>> > limit but it's preferred, but something like a pastebin is OK also)
>>
>> "Unfortunately" I did run a balance, which "recovered" the space for
>> df.
>
> Still an interesting data point.
Well, there is some crap there... it went read-only.
[164625.770369] BTRFS info (device nvme1n1): found 683 extents
[164630.127647] BTRFS info (device nvme1n1): relocating block group
345766887424 flags data
[164650.186985] BTRFS info (device nvme1n1): found 4268 extents
[164658.075685] BTRFS info (device nvme1n1): found 4266 extents
[164663.979192] BTRFS info (device nvme1n1): relocating block group
344693145600 flags data
[164686.646073] BTRFS info (device nvme1n1): found 3721 extents
[164696.815655] BTRFS: error (device nvme1n1) in
btrfs_drop_snapshot:5402: errno=-4 unknown
[164696.821925] BTRFS info (device nvme1n1): forced readonly
[164696.834151] BTRFS warning (device nvme1n1): could not allocate space
for delete; will truncate on mount
[164696.834162] BTRFS info (device nvme1n1): balance: ended with status:
-4
[164697.468475] BTRFS info (device nvme1n1): delayed_refs has NO entry
Tomasz Chmielewski
https://lxadm.com
prev parent reply other threads:[~2019-12-07 1:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-06 2:04 100% disk usage reported by "df", 60% disk usage reported by "btrfs fi usage" - this breaks userspace behaviour Tomasz Chmielewski
2019-12-06 3:54 ` Chris Murphy
2019-12-07 0:47 ` Tomasz Chmielewski
2019-12-07 1:05 ` Chris Murphy
2019-12-07 1:54 ` Tomasz Chmielewski [this message]
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