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* btrfs scrub status misreports as "interrupted"
@ 2014-11-22 12:13 Marc Joliet
  2014-12-09 12:16 ` Konstantinos Skarlatos
  0 siblings, 1 reply; 5+ messages in thread
From: Marc Joliet @ 2014-11-22 12:13 UTC (permalink / raw)
  To: linux-btrfs

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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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^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2014-12-10 19:33 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-11-22 12:13 btrfs scrub status misreports as "interrupted" Marc Joliet
2014-12-09 12:16 ` Konstantinos Skarlatos
2014-12-10  2:51   ` Anand Jain
2014-12-10 19:28     ` Marc Joliet
2014-12-10 19:32       ` Konstantinos Skarlatos

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