Hi all, While I haven't gotten any "scrub already running" type errors any more, I do get one strange case of state misreport. When running scrub on /home (btrfs RAID10), after 3 of 4 drives have completed, the 4th drive (sdb) will report as interrupted, despite still running:
# btrfs scrub status -d /home
scrub status for 472c9290-3ff2-4096-9c47-0612d3a52cef
scrub device /dev/sda (id 1) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 3380
seconds
total bytes scrubbed: 252.86GiB with 0 errors
scrub device /dev/sdb (id 2) status
scrub started at Sat Nov 22 11:57:34 2014, interrupted after 3698
seconds, not running
total bytes scrubbed: 217.50GiB with 0 errors
scrub device /dev/sdc (id 3) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 3013
seconds
total bytes scrubbed: 252.85GiB with 0 errors
scrub device /dev/sdd (id 4) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 2994
seconds
total bytes scrubbed: 252.85GiB with 0 errors
The funny thing is, the time will still update as the scrub keeps going:
# btrfs scrub status -d /home
scrub status for 472c9290-3ff2-4096-9c47-0612d3a52cef
scrub device /dev/sda (id 1) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 3380
seconds
total bytes scrubbed: 252.86GiB with 0 errors
scrub device /dev/sdb (id 2) status
scrub started at Sat Nov 22 11:57:34 2014, interrupted after 4136
seconds, not running
^^^^^^^^^^^^
total bytes scrubbed: 239.44GiB with 0 errors
scrub device /dev/sdc (id 3) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 3013
seconds
total bytes scrubbed: 252.85GiB with 0 errors
scrub device /dev/sdd (id 4) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 2994
seconds
total bytes scrubbed: 252.85GiB with 0 errors
This has happened a few times, and when sdb finally finishes, the status is then
reported correctly as "finished":
# btrfs scrub status -d /home
scrub status for 472c9290-3ff2-4096-9c47-0612d3a52cef
scrub device /dev/sda (id 1) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 3380
seconds
total bytes scrubbed: 252.86GiB with 0 errors
scrub device /dev/sdb (id 2) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 4426
seconds
total bytes scrubbed: 252.88GiB with 0 errors
scrub device /dev/sdc (id 3) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 3013
seconds
total bytes scrubbed: 252.85GiB with 0 errors
scrub device /dev/sdd (id 4) history
scrub started at Sat Nov 22 11:57:34 2014 and finished after 2994
seconds
total bytes scrubbed: 252.85GiB with 0 errors
Kernel and btrfs-progs version:
# uname -a
Linux marcec 3.16.7-gentoo #1 SMP PREEMPT Fri Oct 31 22:45:54 CET 2014 x86_64
AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ AuthenticAMD GNU/Linux
# btrfs --version
Btrfs v3.17.1
Should I open a report on bugzilla?
--
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup
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