Gigabyte GA-MA74GM-S2H - FreeBSD - 2014 archive

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2014 archive.

2014-12-23: let's clear the error on storage:

root@kg-f2# zpool clear storage

verify:

root@kg-f2# zpool status storage
  pool: storage
 state: ONLINE
 scrub: scrub completed after 3h56m with 0 errors on Tue Dec 23 15:41:47 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     0  2.20M repaired

errors: No known data errors

until next time.

2014-12-23: latest scrub result on the storage pool:

root@kg-f2# zpool status storage
  pool: storage
 state: ONLINE
status: One or more devices has experienced an unrecoverable error.  An
    attempt was made to correct the error.  Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
    using 'zpool clear' or replace the device with 'zpool replace'.
   see: http://www.sun.com/msg/ZFS-8000-9P
 scrub: scrub completed after 3h56m with 0 errors on Tue Dec 23 15:41:47 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0    36  2.20M repaired

errors: No known data errors

and in /var/log/messages I get this:

Dec 23 13:16:46 kg-f2 smartd[1301]: Device: /dev/ada0, 99 Currently unreadable (pending) sectors
Dec 23 13:32:10 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 13:32:11 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 13:32:41 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 13:32:41 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 70000000 rs 70000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 13:32:41 kg-f2 kernel: siisch0:  ... waiting for slots 30000000
Dec 23 13:32:41 kg-f2 kernel: siisch0: Timeout on slot 29
Dec 23 13:32:41 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 70000000 rs 70000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 13:32:41 kg-f2 kernel: siisch0:  ... waiting for slots 10000000
Dec 23 13:32:41 kg-f2 kernel: siisch0: Timeout on slot 28
Dec 23 13:32:41 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 70000000 rs 70000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 13:33:15 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 13:33:21 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 13:33:22 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 13:44:47 kg-f2 ntpd[1371]: kernel time sync status change 2001
Dec 23 13:46:46 kg-f2 smartd[1301]: Device: /dev/ada0, 102 Currently unreadable (pending) sectors (changed +3)
Dec 23 14:10:04 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=185550549504 size=32768
Dec 23 14:12:05 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=190445803520 size=1536
Dec 23 14:12:05 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=190445811712 size=1536
Dec 23 14:16:48 kg-f2 smartd[1301]: Device: /dev/ada0, 103 Currently unreadable (pending) sectors (changed +1)
Dec 23 14:46:47 kg-f2 smartd[1301]: Device: /dev/ada0, 102 Currently unreadable (pending) sectors (changed -1)
Dec 23 15:15:33 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:15:33 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:16:02 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914056670720 size=32768
Dec 23 15:16:02 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914056637952 size=32768
Dec 23 15:16:07 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914073893376 size=32768
Dec 23 15:16:07 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914073860608 size=32768
Dec 23 15:16:07 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914073827840 size=32768
Dec 23 15:16:29 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:16:29 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:17:00 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 15:17:00 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 60000000 rs 60000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:17:00 kg-f2 kernel: siisch0:  ... waiting for slots 20000000
Dec 23 15:17:00 kg-f2 kernel: siisch0: Timeout on slot 29
Dec 23 15:17:00 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 60000000 rs 60000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:17:19 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 15:17:19 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 60000000 rs 40000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:17:39 kg-f2 smartd[1301]: Device: /dev/ada0, failed to read SMART Attribute Data
Dec 23 15:17:39 kg-f2 kernel: siisch0: Timeout on slot 28
Dec 23 15:17:39 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 70000000 rs 70000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:17:45 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:17:46 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:19:09 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:19:10 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:19:25 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:19:26 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:19:53 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:19:54 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:20:24 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 15:20:24 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 40000000 rs 40000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:20:38 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:20:39 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:20:56 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:20:57 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:21:27 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 15:21:27 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 60000000 rs 60000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:21:27 kg-f2 kernel: siisch0:  ... waiting for slots 20000000
Dec 23 15:21:27 kg-f2 kernel: siisch0: Timeout on slot 29
Dec 23 15:21:27 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 60000000 rs 60000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:21:29 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:21:29 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:21:59 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 15:21:59 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 40000000 rs 40000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:22:25 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:22:26 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:22:33 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:22:54 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:22:55 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:23:24 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:23:25 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:23:26 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:23:27 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:23:39 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:23:40 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:23:45 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:23:46 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:24:01 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:24:01 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:24:49 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:24:50 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:24:59 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:25:00 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:25:12 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:25:13 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:25:52 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:25:53 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:25:55 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:25:55 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:25:59 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:25:59 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:26:13 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:26:14 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:26:17 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:26:18 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:26:53 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:26:54 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:27:58 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914477460480 size=32768
Dec 23 15:27:58 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914477427712 size=32768
Dec 23 15:27:58 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914477526016 size=32768
Dec 23 15:27:58 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914477493248 size=32768
Dec 23 15:28:41 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:28:42 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:29:01 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:29:02 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:29:17 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914645422592 size=32768
Dec 23 15:29:17 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914645389824 size=32768
Dec 23 15:30:57 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:30:58 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:31:18 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:31:19 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:31:29 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:31:30 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:31:38 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:31:39 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:33:10 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914912952320 size=32768
Dec 23 15:33:22 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914934525440 size=32768
Dec 23 15:33:24 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:33:25 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:33:32 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914935428096 size=4608
Dec 23 15:34:02 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914999154176 size=32768
Dec 23 15:34:02 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914999121408 size=32768
Dec 23 15:34:02 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914999088640 size=32768
Dec 23 15:34:26 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915024519168 size=32768
Dec 23 15:34:26 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915024486400 size=32768
Dec 23 15:35:39 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:35:40 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:36:10 kg-f2 kernel: siisch0: Timeout on slot 30
Dec 23 15:36:10 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 7c000000 rs 7c000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:36:10 kg-f2 kernel: siisch0:  ... waiting for slots 3c000000
Dec 23 15:36:10 kg-f2 kernel: siisch0: Timeout on slot 29
Dec 23 15:36:10 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 7c000000 rs 7c000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:36:10 kg-f2 kernel: siisch0:  ... waiting for slots 1c000000
Dec 23 15:36:10 kg-f2 kernel: siisch0: Timeout on slot 28
Dec 23 15:36:10 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 7c000000 rs 7c000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:36:10 kg-f2 kernel: siisch0:  ... waiting for slots 0c000000
Dec 23 15:36:10 kg-f2 kernel: siisch0: Timeout on slot 27
Dec 23 15:36:10 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 7c000000 rs 7c000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:36:10 kg-f2 kernel: siisch0:  ... waiting for slots 04000000
Dec 23 15:36:10 kg-f2 kernel: siisch0: Timeout on slot 26
Dec 23 15:36:10 kg-f2 kernel: siisch0: siis_timeout is 00040000 ss 7c000000 rs 7c000000 es 00000005 sts 001f0000 serr 00000000
Dec 23 15:36:13 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:36:14 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:37:26 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915184462336 size=32768
Dec 23 15:37:26 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915184429568 size=32768
Dec 23 15:37:26 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915184396800 size=32768
Dec 23 15:37:26 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915184364032 size=32768
Dec 23 15:37:36 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915198177280 size=32768
Dec 23 15:37:36 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915198144512 size=32768
Dec 23 15:37:41 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:37:41 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:38:01 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=914687675392 size=512
Dec 23 15:38:06 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915054698496 size=1024
Dec 23 15:38:06 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915054717952 size=1024
Dec 23 15:38:10 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915054704640 size=512
Dec 23 15:38:14 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:38:15 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:38:46 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:38:47 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:38:49 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:38:49 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:39:02 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:39:03 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:39:05 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:39:06 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:39:15 kg-f2 kernel: siisch0: Error while READ LOG EXT
Dec 23 15:39:16 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
Dec 23 15:39:56 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915097752576 size=512
Dec 23 15:39:56 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915097755648 size=512
Dec 23 15:39:57 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915097759744 size=512
Dec 23 15:39:57 kg-f2 root: ZFS: checksum mismatch, zpool=storage path=/dev/ada0 offset=915097760768 size=512
Dec 23 15:46:46 kg-f2 smartd[1301]: Device: /dev/ada0, 126 Currently unreadable (pending) sectors (changed +24)
Dec 23 16:16:46 kg-f2 smartd[1301]: Device: /dev/ada0, 126 Currently unreadable (pending) sectors
Dec 23 16:18:33 kg-f2 ntpd[1371]: kernel time sync status change 6001
Dec 23 16:46:46 kg-f2 smartd[1301]: Device: /dev/ada0, 126 Currently unreadable (pending) sectors
Dec 23 17:16:46 kg-f2 smartd[1301]: Device: /dev/ada0, 126 Currently unreadable (pending) sectors
Dec 23 17:46:46 kg-f2 smartd[1301]: Device: /dev/ada0, 126 Currently unreadable (pending) sectors

ouch. smartctl says:

root@kg-f2# smartctl -H /dev/ada0
smartctl 5.40 2010-10-16 r3189 [FreeBSD 8.2-STABLE amd64] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

Hmm, ok.

2014-12-20: latest scrub result for zroot pool:

root@kg-f2# zpool status zroot
  pool: zroot
 state: ONLINE
 scrub: scrub completed after 0h3m with 0 errors on Sat Dec 20 14:08:40 2014
config:

    NAME           STATE     READ WRITE CKSUM
    zroot          ONLINE       0     0     0
      mirror       ONLINE       0     0     0
        gpt/disk0  ONLINE       0     0     0
        gpt/disk1  ONLINE       0     0     0

errors: No known data errors

ok.

2014-11-17: clear the error on the storage pool:

status:

root@kg-f2# zpool status storage
  pool: storage
 state: ONLINE
status: One or more devices has experienced an unrecoverable error.  An
    attempt was made to correct the error.  Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
    using 'zpool clear' or replace the device with 'zpool replace'.
   see: http://www.sun.com/msg/ZFS-8000-9P
 scrub: scrub completed after 4h5m with 0 errors on Sun Nov  9 18:48:34 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     2  4.18M repaired

errors: No known data errors

clear:

root@kg-f2# zpool clear storage

verify status:

root@kg-f2# zpool status storage
  pool: storage
 state: ONLINE
 scrub: scrub completed after 4h5m with 0 errors on Sun Nov  9 18:48:34 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     0  4.18M repaired

errors: No known data errors

done.

2014-11-09: latest scrub result:

root@kg-f2# zpool status
  pool: storage
 state: ONLINE
status: One or more devices has experienced an unrecoverable error.  An
    attempt was made to correct the error.  Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
    using 'zpool clear' or replace the device with 'zpool replace'.
   see: http://www.sun.com/msg/ZFS-8000-9P
 scrub: scrub completed after 4h5m with 0 errors on Sun Nov  9 18:48:34 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     2  4.18M repaired

errors: No known data errors

  pool: zroot
 state: ONLINE
 scrub: scrub completed after 0h3m with 0 errors on Sat Nov  8 13:58:21 2014
config:

    NAME           STATE     READ WRITE CKSUM
    zroot          ONLINE       0     0     0
      mirror       ONLINE       0     0     0
        gpt/disk0  ONLINE       0     0     0
        gpt/disk1  ONLINE       0     0     0

errors: No known data errors

that is all.

2014-10-22: the /usr filesystem is full, because of /usr/ports/distfiles. So I create a new directory under /storage:

root@kg-f2# mkdir /storage/distfiles
root@kg-f2# ll /storage
total 10
drwxr-xr-x 6 root wheel 6 Oct 22 17:18 ./
drwxr-xr-x 18 root wheel 24 Sep 7 2012 ../
drwxr-xr-x 2 root wheel 2 Oct 22 17:18 distfiles/
drwxr-xr-x 3 root wheel 3 Dec 16 2010 home/
drwxr-xr-x 4 tingo wheel 4 Sep 1 2010 media/
drwxr-xr-x 2 tingo wheel 2 Mar 29 2010 test/

copy all files there:

root@kg-f2# cp -Rpv /usr/ports/distfiles/ /storage/distfiles/
[...]
/usr/ports/distfiles/liboil-0.3.15.tar.gz -> /storage/distfiles/liboil-0.3.15.tar.gz
/usr/ports/distfiles/xloadimage_4.1-16.diff.gz -> /storage/distfiles/xloadimage_4.1-16.diff.gz
/usr/ports/distfiles/libsndfile-1.0.10.tar.gz -> /storage/distfiles/libsndfile-1.0.10.tar.gz

remove the old directory and link in the new one:

root@kg-f2# cd /usr/ports
root@kg-f2# rmdir distfiles
rmdir: distfiles: Device busy

ok, perhaps because it was created by zfs?

root@kg-f2# zfs list
NAME USED AVAIL REFER MOUNTPOINT
storage 3.40T 165G 3.40T /storage
zroot 3.77G 54.8G 809M legacy
zroot/tmp 296K 54.8G 296K /tmp
zroot/usr 2.96G 54.8G 2.19G /usr
zroot/usr/home 56K 54.8G 56K /usr/home
zroot/usr/ports 245M 54.8G 244M /usr/ports
zroot/usr/ports/distfiles 350K 54.8G 350K /usr/ports/distfiles
zroot/usr/ports/packages 20K 54.8G 20K /usr/ports/packages
zroot/usr/src 542M 54.8G 542M /usr/src
zroot/var 20.3M 54.8G 1.89M /var
zroot/var/crash 21.5K 54.8G 21.5K /var/crash
zroot/var/db 16.8M 54.8G 14.4M /var/db
zroot/var/db/pkg 2.35M 54.8G 2.35M /var/db/pkg
zroot/var/empty 20K 54.8G 20K /var/empty
zroot/var/log 683K 54.8G 683K /var/log
zroot/var/mail 20K 54.8G 20K /var/mail
zroot/var/run 55K 54.8G 55K /var/run
zroot/var/tmp 920K 54.8G 920K /var/tmp

yes, it hows up in zfs list.

can we destroy it?

root@kg-f2# zfs destroy -nv zroot/usr/ports/distfiles
invalid option 'n'
usage:
destroy [-rRf] <filesystem|volume|snapshot>

For the property list, run: zfs set|get

For the delegated permission list, run: zfs allow|unallow

Ok, no '-n' option. Try the hard way:

root@kg-f2# zfs destroy zroot/usr/ports/distfiles

verify that it worked:

root@kg-f2# zfs list
NAME USED AVAIL REFER MOUNTPOINT
storage 3.40T 165G 3.40T /storage
zroot 3.77G 54.8G 809M legacy
zroot/tmp 296K 54.8G 296K /tmp
zroot/usr 2.96G 54.8G 2.19G /usr
zroot/usr/home 56K 54.8G 56K /usr/home
zroot/usr/ports 244M 54.8G 244M /usr/ports
zroot/usr/ports/packages 20K 54.8G 20K /usr/ports/packages
zroot/usr/src 542M 54.8G 542M /usr/src
zroot/var 20.3M 54.8G 1.89M /var
zroot/var/crash 21.5K 54.8G 21.5K /var/crash
zroot/var/db 16.8M 54.8G 14.4M /var/db
zroot/var/db/pkg 2.35M 54.8G 2.35M /var/db/pkg
zroot/var/empty 20K 54.8G 20K /var/empty
zroot/var/log 683K 54.8G 683K /var/log
zroot/var/mail 20K 54.8G 20K /var/mail
zroot/var/run 55K 54.8G 55K /var/run

looks ok. Link in the new one:

root@kg-f2# pwd
/usr/ports
root@kg-f2# ln -s /storage/distfiles

verify:

root@kg-f2# ls -l distfiles
lrwxr-xr-x 1 root wheel 18 Oct 22 18:05 distfiles -> /storage/distfiles

ok, done.

2014-10-01: latest scrub result:

root@kg-f2# zpool status
  pool: storage
 state: ONLINE
 scrub: scrub completed after 3h19m with 0 errors on Tue Sep 30 19:52:29 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     0  112K repaired

errors: No known data errors

  pool: zroot
 state: ONLINE
 scrub: scrub completed after 0h15m with 0 errors on Wed Oct  1 16:25:18 2014
config:

    NAME           STATE     READ WRITE CKSUM
    zroot          ONLINE       0     0     0
      mirror       ONLINE       0     0     0
        gpt/disk0  ONLINE       0     0     0
        gpt/disk1  ONLINE       0     0     0

errors: No known data errors

nothing more.

2014-09-01: latest scrub result:

root@kg-f2# zpool status
  pool: storage
 state: ONLINE
 scrub: scrub completed after 3h16m with 0 errors on Sat Aug 30 12:45:54 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     0  3.50K repaired

errors: No known data errors

  pool: zroot
 state: ONLINE
 scrub: scrub completed after 0h15m with 0 errors on Mon Sep  1 11:37:54 2014
config:

    NAME           STATE     READ WRITE CKSUM
    zroot          ONLINE       0     0     0
      mirror       ONLINE       0     0     0
        gpt/disk0  ONLINE       0     0     0
        gpt/disk1  ONLINE       0     0     0

errors: No known data errors

that's all.

2014-08-04: latest scrub result:

root@kg-f2# zpool status
  pool: storage
 state: ONLINE
 scrub: scrub completed after 3h17m with 0 errors on Sun Aug  3 14:54:55 2014
config:

    NAME        STATE     READ WRITE CKSUM
    storage     ONLINE       0     0     0
      raidz1    ONLINE       0     0     0
        ad8     ONLINE       0     0     0
        ad10    ONLINE       0     0     0
        ad12    ONLINE       0     0     0
        ad14    ONLINE       0     0     0
        ada0    ONLINE       0     0     0

errors: No known data errors

  pool: zroot
 state: ONLINE
 scrub: scrub completed after 0h15m with 0 errors on Sat Jul 19 12:27:03 2014
config:

    NAME           STATE     READ WRITE CKSUM
    zroot          ONLINE       0     0     0
      mirror       ONLINE       0     0     0
        gpt/disk0  ONLINE       0     0     0
        gpt/disk1  ONLINE       0     0     0

errors: No known data errors

nothing more.

2014-05-10: from /var/log/messages:

May 10 04:37:28 kg-f2 smartd[1301]: Device: /dev/ada0, 11 Currently unreadable (pending) sectors (changed -1)

2014-05-09: from /var/log/messages:

May  9 07:38:15 kg-f2 kernel: siisch0: Error while READ LOG EXT
May  9 07:38:15 kg-f2 kernel: siisch0: port is not ready (timeout 1000ms) status = 001f0000
May  9 07:46:30 kg-f2 ntpd[1371]: kernel time sync status change 2001
May  9 08:07:28 kg-f2 smartd[1301]: Device: /dev/ada0, 11 Currently unreadable (pending) sectors (changed +1)

May  9 10:07:28 kg-f2 smartd[1301]: Device: /dev/ada0, 12 Currently unreadable (pending) sectors (changed +1)

2014-04-14: from /var/log/messages:

Apr 14 03:07:27 kg-f2 smartd[1301]: Device: /dev/ada0, 10 Currently unreadable (pending) sectors (changed -1)

2014-04-12: from /var/log/messages:

Apr 12 16:07:28 kg-f2 smartd[1301]: Device: /dev/ada0, 16 Currently unreadable (pending) sectors (changed +6)
Apr 12 16:23:30 kg-f2 ntpd[1371]: kernel time sync status change 2001
Apr 12 16:37:29 kg-f2 smartd[1301]: Device: /dev/ada0, 17 Currently unreadable (pending) sectors (changed +1)
Apr 12 16:57:40 kg-f2 ntpd[1371]: kernel time sync status change 6001
Apr 12 17:07:29 kg-f2 smartd[1301]: Device: /dev/ada0, 11 Currently unreadable (pending) sectors (changed -6)

nothing more.