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From: "Swâmi Petaramesh" <swami@petaramesh.org>
To: "'linux-btrfs@vger.kernel.org'" <linux-btrfs@vger.kernel.org>
Subject: Kernel 5.4 - BTRFS FS shows full with about 600 GB Free ?
Date: Sat, 21 Dec 2019 11:59:22 +0100	[thread overview]
Message-ID: <8bd55f28-2176-89f7-bd53-4992ccd53f42@petaramesh.org> (raw)

Hi list,

After writing files and snapshots WITHOUT errors on an external BTRFS FS 
with 500+ GB of free space, using kernel 5.4.5-arch1-1, I dismount the 
FS then remount it normally, and then it says the FS has 0 space free left !

Checking the disk on another machine with

[moksha ~]# uname -r
5.4.2-1-MANJARO

And... How can this be ?

root@moksha:~# df -h /run/media/myself/MyVolume
Filesystem           Size  Used Avail Use% Mounted on
/dev/mapper/luks-xxxxxxxxx-yyyy-zzzz-tttt-wwwwwww   1,9T 1,2T     0 100% 
/run/media/myself/MyVolume

root@moksha:~# btrfs fi sh
Label: 'MyVolume'  uuid: xxxxxxxxx-yyyy-zzzz-tttt-wwwwwww
         Total devices 1 FS bytes used 1.19TiB
         devid    1 size 1.82TiB used 1.20TiB path 
/dev/mapper/luks-xxxxxxxxx-yyyy-zzzz-tttt-wwwwwww

root@moksha:~# btrfs fi df /run/media/myself/MyVolume
Data, single: total=1.18TiB, used=1.18TiB
System, DUP: total=8.00MiB, used=160.00KiB
Metadata, DUP: total=7.00GiB, used=6.88GiB
GlobalReserve, single: total=512.00MiB, used=0.00B

root@moksha:~# umount /run/media/myself/MyVolume

root@moksha:~# btrfs check /dev/mapper/luks-xxxxxxxxx-yyyy-zzzz-tttt-wwwwwww
Opening filesystem to check...
Checking filesystem on /dev/mapper/luks-xxxxxxxxx-yyyy-zzzz-tttt-wwwwwww
UUID: xxxxxxxxx-yyyy-zzzz-tttt-wwwwwww
[1/7] checking root items
[2/7] checking extents
[3/7] checking free space cache
[4/7] checking fs roots

(Still running since a while, no errors...)

TIA for any help.

Kind regards.


             reply	other threads:[~2019-12-21 10:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-21 10:59 Swâmi Petaramesh [this message]
2019-12-21 12:00 ` Kernel 5.4 - BTRFS FS shows full with about 600 GB Free ? Qu Wenruo
2019-12-21 12:07   ` Swâmi Petaramesh
2019-12-21 12:16     ` Qu Wenruo
     [not found]       ` <cbbfe8a4-ff7b-4bea-313c-e1acbf9ee61a@petaramesh.org>
2019-12-21 12:53         ` Qu Wenruo
2019-12-21 12:19   ` Swâmi Petaramesh
2019-12-22  7:55   ` Swâmi Petaramesh
2019-12-22  8:12     ` Qu Wenruo
2019-12-22  9:00       ` Swâmi Petaramesh
2019-12-22  9:22         ` Swâmi Petaramesh
2019-12-22  9:37         ` Qu Wenruo
2019-12-22 10:15           ` Swâmi Petaramesh

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