On 10/2/2010 10:19 AM, Jeremy Chadwick wrote:
On Sat, Oct 02, 2010 at 09:43:30AM -0400, Dan Langille wrote:
Overnight I was running a zfs send | zfs receive (both within the
same system / zpool). The system ran out of space, a drive went off
line, and the system is degraded.
This is a raidz2 array running on FreeBSD 8.1-STABLE #0: Sat Sep 18
23:43:48 EDT 2010.
The following logs are also available at
http://www.langille.org/tmp/zfs-space.txt<- no line wrapping
This is what was running:
# time zfs send storage/bac...@transfer | mbuffer | zfs receive
storage/compressed/bacula-mbuffer
in @ 0.0 kB/s, out @ 0.0 kB/s, 3670 GB total, buffer 100%
fullcannot receive new filesystem stream: out of space
mbuffer: error: outputThread: error writing to<stdout> at offset
0x395917c4000: Broken pipe
summary: 3670 GByte in 10 h 40 min 97.8 MB/s
mbuffer: warning: error during output to<stdout>: Broken pipe
warning: cannot send 'storage/bac...@transfer': Broken pipe
real 640m48.423s
user 8m52.660s
sys 211m40.862s
Looking in the logs, I see this:
Oct 2 00:50:53 kraken kernel: (ada0:siisch0:0:0:0): lost device
Oct 2 00:50:54 kraken kernel: siisch0: Timeout on slot 30
Oct 2 00:50:54 kraken kernel: siisch0: siis_timeout is 00040000 ss
40000000 rs 40000000 es 00000000 sts 801f0040 serr 00000000
Oct 2 00:50:54 kraken kernel: siisch0: Error while READ LOG EXT
Oct 2 00:50:55 kraken kernel: siisch0: Timeout on slot 30
Oct 2 00:50:55 kraken kernel: siisch0: siis_timeout is 00040000 ss
40000000 rs 40000000 es 00000000 sts 801f0040 serr 00000000
Oct 2 00:50:55 kraken kernel: siisch0: Error while READ LOG EXT
Oct 2 00:50:56 kraken kernel: siisch0: Timeout on slot 30
Oct 2 00:50:56 kraken kernel: siisch0: siis_timeout is 00040000 ss
40000000 rs 40000000 es 00000000 sts 801f0040 serr 00000000
Oct 2 00:50:56 kraken kernel: siisch0: Error while READ LOG EXT
Oct 2 00:50:57 kraken kernel: siisch0: Timeout on slot 30
Oct 2 00:50:57 kraken kernel: siisch0: siis_timeout is 00040000 ss
40000000 rs 40000000 es 00000000 sts 801f0040 serr 00000000
Oct 2 00:50:57 kraken kernel: siisch0: Error while READ LOG EXT
Oct 2 00:50:58 kraken kernel: siisch0: Timeout on slot 30
Oct 2 00:50:58 kraken kernel: siisch0: siis_timeout is 00040000 ss
40000000 rs 40000000 es 00000000 sts 801f0040 serr 00000000
Oct 2 00:50:58 kraken kernel: siisch0: Error while READ LOG EXT
Oct 2 00:50:59 kraken root: ZFS: vdev I/O failure, zpool=storage
path=/dev/gpt/disk06-live offset=270336 size=8192 error=6
Oct 2 00:50:59 kraken kernel: (ada0:siisch0:0:0:0): Synchronize
cache failed
Oct 2 00:50:59 kraken kernel: (ada0:siisch0:0:0:0): removing device entry
Oct 2 00:50:59 kraken root: ZFS: vdev I/O failure, zpool=storage
path=/dev/gpt/disk06-live offset=2000187564032 size=8192 error=6
Oct 2 00:50:59 kraken root: ZFS: vdev I/O failure, zpool=storage
path=/dev/gpt/disk06-live offset=2000187826176 size=8192 error=6
$ zpool status
pool: storage
state: DEGRADED
scrub: scrub in progress for 5h32m, 17.16% done, 26h44m to go
config:
NAME STATE READ WRITE CKSUM
storage DEGRADED 0 0 0
raidz2 DEGRADED 0 0 0
gpt/disk01-live ONLINE 0 0 0
gpt/disk02-live ONLINE 0 0 0
gpt/disk03-live ONLINE 0 0 0
gpt/disk04-live ONLINE 0 0 0
gpt/disk05-live ONLINE 0 0 0
gpt/disk06-live REMOVED 0 0 0
gpt/disk07-live ONLINE 0 0 0
$ zfs list
NAME USED AVAIL REFER MOUNTPOINT
storage 6.97T 1.91T 1.75G /storage
storage/bacula 4.72T 1.91T 4.29T /storage/bacula
storage/compressed 2.25T 1.91T 46.9K /storage/compressed
storage/compressed/bacula 2.25T 1.91T 42.7K /storage/compressed/bacula
storage/pgsql 5.50G 1.91T 5.50G /storage/pgsql
$ sudo camcontrol devlist
Password:
<Hitachi HDS722020ALA330 JKAOA28A> at scbus2 target 0 lun 0 (pass1,ada1)
<Hitachi HDS722020ALA330 JKAOA28A> at scbus3 target 0 lun 0 (pass2,ada2)
<Hitachi HDS722020ALA330 JKAOA28A> at scbus4 target 0 lun 0 (pass3,ada3)
<Hitachi HDS722020ALA330 JKAOA28A> at scbus5 target 0 lun 0 (pass4,ada4)
<Hitachi HDS722020ALA330 JKAOA28A> at scbus6 target 0 lun 0 (pass5,ada5)
<Hitachi HDS722020ALA330 JKAOA28A> at scbus7 target 0 lun 0 (pass6,ada6)
<ST380815AS 4.AAB> at scbus8 target 0 lun 0 (pass7,ada7)
<TSSTcorp CDDVDW SH-S223C SB01> at scbus9 target 0 lun 0 (cd0,pass8)
<WDC WD1600AAJS-75M0A0 02.03E02> at scbus10 target 0 lun 0 (pass9,ada8)
I'm not yet sure if the drive is fully dead or not. This is not a
hot-swap box.
It looks to me like the disk labelled gpt/disk06-live literally stopped
responding to commands. The errors you see are coming from the OS and
the siis(4) controller, and both indicate the actual hard disk isn't
responding to the ATA command READ LOG EXT. error=6 means Device not
configured.
I can't see how/why running out of space would cause this. It looks
more like that you had a hardware issue of some sort happen during the
course of the operations you were running. It may not have happened
until now because you hadn't utilised writes to that area of the disk
(could have bad sectors there, or physical media/platter problems).
Please provide smartctl -a output for the drive that's gpt/disk06-live,
which I assume is /dev/ada6 (glabel sure makes correlation easy, doesn't
it? Sigh...). Please put the results up on the web somewhere, not
copy-pasted, otherwise I have to do a bunch of manual work with regarsd
to line wrapping/etc... I'll provide an analysis of SMART stats for
you, to see if anything crazy happened to the disk itself.
It is ada0, I'm sure, based on the 'lost device' mentioned in
/var/log/messages above.
I'm getting nowhere. /dev/ada0 does not exist so there is nothing for
smartctl to work on.
$ sudo smartctl -a /dev/ada0
smartctl 5.39.1 2010-01-28 r3054 [FreeBSD 8.1-STABLE amd64] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
/dev/ada0: Unable to detect device type
Smartctl: please specify device type with the -d option.
Use smartctl -h to get a usage summary
$ sudo smartctl -d ata -a /dev/ada0da0
smartctl 5.39.1 2010-01-28 r3054 [FreeBSD 8.1-STABLE amd64] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
Smartctl open device: /dev/ada0 failed: No such file or directory
$ ls -l /dev/ada0*
ls: /dev/ada0*: No such file or directory
I am tempted to reboot or do a camontrol scan.
--
Dan Langille - http://langille.org/
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