I have an overnight cron job with
/sbin/fstrim -v /
/bin/bedup dedup --defrag
Every once in a while, it causes the FS to be remounted read-only.
Problem is pretty intermittent so far (aside from a few kernel revisions
a while ago).
Please advise.
Corresponding bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=71311
https://bugzilla.redhat.com/show_bug.cgi?id=1071408
Addtl info:
# uname -a
Linux mireille.svist.net 3.14.9-200.fc20.x86_64 #1 SMP Thu Jun 26
21:40:51 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
# btrfs --version
Btrfs v3.14.2
# btrfs fi show
Label: none uuid: 5ac56e7d-3d04-4ffa-8160-5a47f46c2939
Total devices 1 FS bytes used 151.77GiB
devid 1 size 465.76GiB used 282.02GiB path /dev/sda2
Btrfs v3.14.2
# btrfs fi df /
Data, single: total=277.01GiB, used=148.86GiB
System, single: total=4.00MiB, used=48.00KiB
Metadata, single: total=5.01GiB, used=2.91GiB
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