2018-04-12 18:22 GMT+02:00 Colin Ian King <1723...@bugs.launchpad.net>:

> This stack trace was also reported in bug
> https://github.com/zfsonlinux/zfs/issues/6917 in log
> https://github.com/zfsonlinux/zfs/files/1686101/kern.log.2.gz
>
> Is this issue still occurring?
>
yes

>
> 1. what is your ZFS configuration (number of drives?)
>
pool : 2 vdev of  6 hd 8T +2 mirror ssd for zil + 2 ssd for cache    (
model :  hd = ST8000NM0075    zil=INTEL SSDSC2BA20  cache=SSDSC2BB480G7R)

Dedub on
compression           lz4
different filesystem:  184
used: 48T
free:24T
(look at end for command output)


> 2. size of your system (total memory, free memory).
>
free
              total        used        free      shared  buff/cache
available
Mem:      131784684    41365676    10998624       65028    79420384
21031972
Swap:      62467068       33036    62434032


> 3. Do your drive(s) suffer from large I/O latencies?
>    - what is the output from iostat -mx when you are loading the system
> when issues like this occur?
>

yes, now   i can put output in normal condition
iostat -xmd 20
Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz
avgqu-sz   await r_await w_await  svctm  %util
sda               0,00    20,75    0,00   78,35     0,00     0,92
24,16     4,81   61,40    0,00   61,40   1,15   9,04
sdb               0,00    20,75    0,00   78,25     0,00     0,92
24,18     4,70   60,05    0,00   60,05   1,18   9,24
sdc               0,00     0,00    0,00    0,00     0,00     0,00
0,00     0,00    0,00    0,00    0,00   0,00   0,00
md2               0,00     0,00    0,00   98,40     0,00     0,92
19,19     0,00    0,00    0,00    0,00   0,00   0,00
md1               0,00     0,00    0,00    0,00     0,00     0,00
0,00     0,00    0,00    0,00    0,00   0,00   0,00
md0               0,00     0,00    0,00    0,00     0,00     0,00
0,00     0,00    0,00    0,00    0,00   0,00   0,00
sdd               0,00     0,00    0,00    0,00     0,00     0,00
0,00     0,00    0,00    0,00    0,00   0,00   0,00
sde               0,00     0,00   25,70    7,75     0,06     0,07
8,43     0,01    0,28    0,20    0,52   0,17   0,56
sdf               0,00     0,00   24,25    7,75     0,07     0,07
9,33     0,00    0,13    0,12    0,15   0,10   0,32
sdg               0,00     0,00   10,60   56,45     0,11     0,44
16,58     0,27    3,98   15,57    1,80   0,80   5,38
sdh               0,00     0,00    2,60   60,25     0,04     0,46
16,26     0,13    1,99   18,00    1,30   0,44   2,78
sdi               0,00     0,00    1,85   55,30     0,04     0,43
16,85     0,12    2,03   17,62    1,50   0,41   2,34
sdj               0,00     0,00   11,10   53,85     0,10     0,44
17,21     0,29    4,40   16,54    1,90   0,91   5,94
sdk               0,00     0,00    3,50   55,90     0,05     0,45
17,49     0,13    2,26   15,03    1,46   0,57   3,38
sdl               0,00     0,00    2,40   53,80     0,05     0,43
17,49     0,13    2,28   18,92    1,54   0,50   2,80
sdn               0,00     0,00   11,90   64,80     0,08     0,47
14,83     0,39    5,11   14,62    3,36   0,95   7,28
sdm               0,00     0,00    2,70   66,40     0,04     0,47
15,11     0,22    3,23   18,59    2,61   0,49   3,38
sdo               0,00     0,00    5,25   69,50     0,08     0,49
15,45     0,33    4,44   17,94    3,42   0,67   4,98
sdp               0,00     0,00    2,90   64,40     0,05     0,46
15,44     0,22    3,25   16,28    2,66   0,53   3,54
sdr               0,00     0,00    4,95   71,90     0,08     0,49
15,16     0,29    3,72   18,46    2,71   0,59   4,50
sdq               0,00     0,00   10,80   65,35     0,09     0,46
14,70     0,32    4,19   14,30    2,52   0,81   6,16


zpool status
  pool: pool_z2_samba
 state: ONLINE
  scan: scrub canceled on Fri Jun  9 23:05:34 2017
config:

    NAME        STATE     READ WRITE CKSUM
    pool_z2_samba  ONLINE       0     0     0
      raidz2-0  ONLINE       0     0     0
        sdg     ONLINE       0     0     0
        sdh     ONLINE       0     0     0
        sdi     ONLINE       0     0     0
        sdj     ONLINE       0     0     0
        sdk     ONLINE       0     0     0
        sdl     ONLINE       0     0     0
      raidz2-1  ONLINE       0     0     0
        sdm     ONLINE       0     0     0
        sdn     ONLINE       0     0     0
        sdo     ONLINE       0     0     0
        sdp     ONLINE       0     0     0
        sdq     ONLINE       0     0     0
        sdr     ONLINE       0     0     0
    logs
      mirror-2  ONLINE       0     0     0
        sdc     ONLINE       0     0     0
        sdd     ONLINE       0     0     0
    cache
      sde       ONLINE       0     0     0
      sdf       ONLINE       0     0     0

errors: No known data errors


/zfsArcStat.sh
6 1 0x01 91 4368 11499012490 5672030587716117
name                            type data
hits                            4    4064503798
misses                          4    1252909719
demand_data_hits                4    1019243277
demand_data_misses              4    12882838
demand_metadata_hits            4    2895531685
demand_metadata_misses          4    1129184020
prefetch_data_hits              4    69000315
prefetch_data_misses            4    95228252
prefetch_metadata_hits          4    80728521
prefetch_metadata_misses        4    15614609
mru_hits                        4    176147914
mru_ghost_hits                  4    253841916
mfu_hits                        4    3792143138
mfu_ghost_hits                  4    58312370
deleted                         4    167105698
mutex_miss                      4    76856
evict_skip                      4    24044454
evict_not_enough                4    268772
evict_l2_cached                 4    13697880707584
evict_l2_eligible               4    2870601060864
evict_l2_ineligible             4    2913420400128
evict_l2_skip                   4    93
hash_elements                   4    18543835
hash_elements_max               4    21513736
hash_collisions                 4    589163121
hash_chains                     4    5080652
hash_chain_max                  4    11
p                               4    7111135544
c                               4    67473758208
c_min                           4    33554432
c_max                           4    67473758208
size                            4    67484265496
hdr_size                        4    3092012704
data_size                       4    29882681344
metadata_size                   4    14948170752
other_size                      4    18570396448
anon_size                       4    156456960
anon_evictable_data             4    0
anon_evictable_metadata         4    0
mru_size                        4    7006112256
mru_evictable_data              4    1093203968
mru_evictable_metadata          4    57090560
mru_ghost_size                  4    60467429376
mru_ghost_evictable_data        4    733260800
mru_ghost_evictable_metadata    4    59734168576
mfu_size                        4    37668282880
mfu_evictable_data              4    28748448768
mfu_evictable_metadata          4    2701940224
mfu_ghost_size                  4    5645376512
mfu_ghost_evictable_data        4    1825286144
mfu_ghost_evictable_metadata    4    3820090368
l2_hits                         4    182184196
l2_misses                       4    1070725457
l2_feeds                        4    5676867
l2_rw_clash                     4    1
l2_read_bytes                   4    1041699460096
l2_write_bytes                  4    3688514789376
l2_writes_sent                  4    3436748
l2_writes_done                  4    3436748
l2_writes_error                 4    0
l2_writes_lock_retry            4    432
l2_evict_lock_retry             4    61
l2_evict_reading                4    0
l2_evict_l1cached               4    2599698
l2_free_on_write                4    47263
l2_cdata_free_on_write          4    1172
l2_abort_lowmem                 4    46
l2_cksum_bad                    4    0
l2_io_error                     4    0
l2_size                         4    988585710592
l2_asize                        4    820792856064
l2_hdr_size                     4    991004248
l2_compress_successes           4    20925254
l2_compress_zeros               4    0
l2_compress_failures            4    18978798
memory_throttle_count           4    20
duplicate_buffers               4    0
duplicate_buffers_size          4    0
duplicate_reads                 4    158
memory_direct_count             4    4721
memory_indirect_count           4    1479
arc_no_grow                     4    0
arc_tempreserve                 4    0
arc_loaned_bytes                4    0
arc_prune                       4    0
arc_meta_used                   4    37601584152
arc_meta_limit                  4    50605318656
arc_meta_max                    4    49149559496
arc_meta_min                    4    16777216
arc_need_free                   4    0
arc_sys_free                    4    2108551168

zdb -D pool_z2_samba
DDT-sha256-zap-duplicate: 53278509 entries, size 1038 on disk, 167 in core
DDT-sha256-zap-unique: 254823626 entries, size 1043 on disk, 168 in core

dedup = 1.56, compress = 1.20, copies = 1.01, dedup * compress / copies =
1.84

space map refcount mismatch: expected 441 != actual 385




./architratio.sh
...
IOPs: 1350 | ARC cache hit ratio: 58.00 % | Hitrate: 791 / Missrate: 559 |
L2ARC 15.00 206 / 353
IOPs: 1358 | ARC cache hit ratio: 57.00 % | Hitrate: 781 / Missrate: 577 |
L2ARC 15.00 206 / 371
IOPs: 2701 | ARC cache hit ratio: 57.00 % | Hitrate: 1564 / Missrate: 1137
| L2ARC 14.00 389 / 747
IOPs: 1928 | ARC cache hit ratio: 82.00 % | Hitrate: 1590 / Missrate: 338 |
L2ARC 6.00 133 / 205
IOPs: 1529 | ARC cache hit ratio: 54.00 % | Hitrate: 829 / Missrate: 700 |
L2ARC 19.00 301 / 399
IOPs: 2625 | ARC cache hit ratio: 70.00 % | Hitrate: 1860 / Missrate: 765 |
L2ARC 12.00 338 / 427
IOPs: 1538 | ARC cache hit ratio: 57.00 % | Hitrate: 881 / Missrate: 657 |
L2ARC 15.00 237 / 420
IOPs: 2453 | ARC cache hit ratio: 66.00 % | Hitrate: 1625 / Missrate: 828 |
L2ARC 13.00 322 / 505
IOPs: 3063 | ARC cache hit ratio: 78.00 % | Hitrate: 2393 / Missrate: 670 |
L2ARC 9.00 304 / 365
IOPs: 2671 | ARC cache hit ratio: 82.00 % | Hitrate: 2205 / Missrate: 466 |
L2ARC 7.00 209 / 256
IOPs: 1657 | ARC cache hit ratio: 69.00 % | Hitrate: 1153 / Missrate: 504 |
L2ARC 12.00 215 / 288


zfs param
l2arc_feed_again:  1
----------------------
l2arc_feed_min_ms:  200
----------------------
l2arc_feed_secs:  1
----------------------
l2arc_headroom:  6
----------------------
l2arc_headroom_boost:  200
----------------------
l2arc_nocompress:  0
----------------------
l2arc_noprefetch:  1
----------------------
l2arc_norw:  0
----------------------
l2arc_write_boost:  33554432
----------------------
l2arc_write_max:  67108864
----------------------
metaslab_aliquot:  524288
----------------------
metaslab_bias_enabled:  1
----------------------
metaslab_debug_load:  0
----------------------
metaslab_debug_unload:  0
----------------------zfs list -t filesystem -o space
metaslab_fragmentation_factor_enabled:  1
----------------------
metaslab_lba_weighting_enabled:  1
----------------------
metaslab_preload_enabled:  1
----------------------
metaslabs_per_vdev:  200
----------------------
spa_asize_inflation:  24
----------------------
spa_config_path:  /etc/zfs/zpool.cache
----------------------
spa_load_verify_data:  1
----------------------
spa_load_verify_maxinflight:  10000
----------------------
spa_load_verify_metadata:  1
----------------------
spa_slop_shift:  5
----------------------
zfetch_array_rd_sz:  1048576
----------------------
zfetch_block_cap:  256
----------------------
zfetch_max_streams:  8
----------------------
zfetch_min_sec_reap:  2
----------------------
zfs_admin_snapshot:  0
----------------------
zfs_arc_average_blocksize:  8192
----------------------
zfs_arc_grow_retry:  0
----------------------
zfs_arc_lotsfree_percent:  10
----------------------
zfs_arc_max:  0
----------------------
zfs_arc_meta_adjust_restarts:  4096
----------------------
zfs_arc_meta_limit:  0
----------------------
zfs_arc_meta_min:  0
----------------------
zfs_arc_meta_prune:  10000
----------------------
zfs_arc_meta_strategy:  1
----------------------
zfs_arc_min:  0
----------------------
zfs_arc_min_prefetch_lifespan:  0
----------------------
zfs_arc_num_sublists_per_state:  32
----------------------
zfs_arc_p_aggressive_disable:  1
----------------------
zfs_arc_p_dampener_disable:  1
----------------------
zfs_arc_p_min_shift:  0
----------------------
zfs_arc_shrink_shift:  0
----------------------
zfs_arc_sys_free:  0
----------------------
zfs_autoimport_disable:  1
----------------------
zfs_dbgmsg_enable:  0
----------------------
zfs_dbgmsg_maxsize:  4194304
----------------------zfs list -t filesystem -o space
zfs_dbuf_state_index:  0
----------------------
zfs_deadman_enabled:  1
----------------------
zfs_deadman_synctime_ms:  1000000
----------------------
zfs_dedup_prefetch:  0
----------------------
zfs_delay_min_dirty_percent:  60
----------------------
zfs_delay_scale:  500000
----------------------
zfs_dirty_data_max:  13494751641
----------------------
zfs_dirty_data_max_max:  33736879104
----------------------
zfs_dirty_data_max_max_percent:  25
----------------------
zfs_dirty_data_max_percent:  10
----------------------
zfs_dirty_data_sync:  67108864
----------------------
zfs_disable_dup_eviction:  0
----------------------
zfs_expire_snapshot:  300
----------------------
zfs_flags:  0
----------------------
zfs_free_leak_on_eio:  0
----------------------
zfs_free_max_blocks:  100000
----------------------
zfs_free_min_time_ms:  1000
----------------------
zfs_immediate_write_sz:  32768
----------------------
zfs_max_recordsize:  1048576
----------------------
zfs_mdcomp_disable:  0
----------------------
zfs_metaslab_fragmentation_threshold:  70
----------------------
zfs_mg_fragmentation_threshold:  85
----------------------
zfs_mg_noalloc_threshold:  0
----------------------
zfs_nocacheflush:  0
----------------------
zfs_nopwrite_enabled:  1
----------------------
zfs_no_scrub_io:  0
----------------------
zfs_no_scrub_prefetch:  0
----------------------
zfs_object_mutex_size:  64
----------------------
zfs_pd_bytes_max:  52428800
----------------------
zfs_prefetch_disable:  0
----------------------
zfs_read_chunk_size:  1048576
----------------------
zfs_read_history:  0
----------------------
zfs_read_history_hits:  0
----------------------
zfs_recover:  0
----------------------
zfs_resilver_delay:  1
----------------------
zfs_resilver_min_time_ms:  10000
----------------------
zfs_scan_idle:  50
----------------------
zfs_scan_min_time_ms:  5000
----------------------
zfs_scrub_delay:  80
----------------------
zfs_send_corrupt_data:  0
----------------------
zfs_sync_pass_deferred_free:  2
----------------------
zfs_sync_pass_dont_compress:  5
----------------------
zfs_sync_pass_rewrite:  2
----------------------
zfs_top_maxinflight:  64
----------------------
zfs_txg_history:  0
----------------------
zfs_txg_timeout:  5
----------------------
zfs_vdev_aggregation_limit:  131072
----------------------
zfs_vdev_async_read_max_active:  16
----------------------
zfs_vdev_async_read_min_active:  16
----------------------
zfs_vdev_async_write_active_max_dirty_percent:  60
----------------------
zfs_vdev_async_write_active_min_dirty_percent:  30
----------------------
zfs_vdev_async_write_max_active:  16
----------------------
zfs_vdev_async_write_min_active:  16
----------------------
zfs_vdev_cache_bshift:  16
----------------------
zfs_vdev_cache_max:  16384
----------------------
zfs_vdev_cache_size:  0
----------------------
zfs_vdev_max_active:  1000
----------------------
zfs_vdev_mirror_switch_us:  10000
----------------------
zfs_vdev_read_gap_limit:  32768
----------------------
zfs_vdev_scheduler:  noop
----------------------
zfs_vdev_scrub_max_active:  6
----------------------
zfs_vdev_scrub_min_active:  2
----------------------
zfs_vdev_sync_read_max_active:  16
----------------------
zfs_vdev_sync_read_min_active:  16
----------------------
zfs_vdev_sync_write_max_active:  16
----------------------
zfs_vdev_sync_write_min_active:  16
----------------------
zfs_vdev_write_gap_limit:  4096
----------------------
zfs_zevent_cols:  80
----------------------
zfs_zevent_console:  0
----------------------
zfs_zevent_len_max:  3072
----------------------
zil_replay_disable:  0
----------------------
zil_slog_limit:  1048576
----------------------
zio_delay_max:  30000
----------------------
zio_requeue_io_start_cut_in_line:  1
----------------------
zio_taskq_batch_pct:  75
----------------------
zvol_inhibit_dev:  0
----------------------
zvol_major:  230
----------------------
zvol_max_discard_blocks:  16384
----------------------
zvol_prefetch_bytes:  131072
----------------------


zfs list -t filesystem -o space

NAME                                                AVAIL   USED  USEDSNAP
USEDDS  USEDREFRESERV  USEDCHILD
pool_z2_samba                                       24,4T  48,2T
991K   20,8M              0      48,2T
pool_z2_samba/shares                                24,4T  47,8T
0   2,63M              0      47,8T
pool_z2_samba/shares/Aat                            24,4T  3,60G
0   3,60G              0          0
pool_z2_samba/shares/Allergologia_Clinica           24,4T  1,53G
190M   1,34G              0          0
pool_z2_samba/shares/Anatomia1                      24,4T   289G
238M    289G              0          0
pool_z2_samba/shares/Anatomia2                      24,4T  26,3M
671K   25,7M              0          0
pool_z2_samba/shares/Anatomia3                      24,4T  50,7G
9,15M   50,7G              0          0
pool_z2_samba/shares/Andrologia                     24,4T  15,9G
12,2M   15,9G              0          0
pool_z2_samba/shares/Anest_Rianim                   24,4T   192K
0    192K              0          0
pool_z2_samba/shares/Anestesia1                     24,4T  62,6M
0   62,6M              0          0
pool_z2_samba/shares/Anestesia2                     24,4T  4,61G
376K   4,61G              0          0
pool_z2_samba/shares/Angiologia                     24,4T   192K
0    192K              0          0
pool_z2_samba/shares/Antalgica                      24,4T   171G
2,36M    171G              0          0
pool_z2_samba/shares/AppMed2                        24,4T  43,5G
0   43,5G              0          0
pool_z2_samba/shares/Archivio_Storico               24,4T  8,31G
1,61M   8,31G              0          0
pool_z2_samba/shares/Att_Neurologica_Ambulatoriale  24,4T   206G
6,28M    206G              0          0
pool_z2_samba/shares/Backup_CPServer                24,4T   192K
0    192K              0          0
pool_z2_samba/shares/Cardiochirurgia1               24,4T  49,0G
165M   48,9G              0          0
pool_z2_samba/shares/Cardiochirurgia2               24,4T  1,65G
0   1,65G              0          0
pool_z2_samba/shares/Cardiologia1                   24,4T   320G
1,25G    318G              0          0
pool_z2_samba/shares/Cardiologia2                   24,4T  1,00T
326M   1,00T              0          0
pool_z2_samba/shares/Cartcli                        24,4T  35,7G
445M   35,2G              0          0
pool_z2_samba/shares/ChMaxilloF                     24,4T   152G
6,95M    152G              0          0
pool_z2_samba/shares/Chirurgia1                     24,4T   438G
1,38G    437G              0          0
pool_z2_samba/shares/Chirurgia2                     24,4T   306M
0    306M              0          0
pool_z2_samba/shares/Chirurgia4                     24,4T   845G
16,1M    845G              0          0
pool_z2_samba/shares/ChirurgiaDellaMano             24,4T  4,67G
0   4,67G              0          0
pool_z2_samba/shares/Chirurgia_ColonRettale         24,4T  9,86T
143M   9,86T              0          0
pool_z2_samba/shares/Chirurgia_Orale                24,4T  5,87G
1,48M   5,86G              0          0
pool_z2_samba/shares/Choftalmica                    24,4T  22,4G
61,8M   22,4G              0          0
pool_z2_samba/shares/Chplastica                     24,4T   180G
2,93M    180G              0          0
pool_z2_samba/shares/Chtrapianti                    24,4T   531G
121M    531G              0          0
pool_z2_samba/shares/Chvascolare                    24,4T   449G
1,64G    447G              0          0
pool_z2_samba/shares/Citogenetica                   24,4T   631G
56,3M    631G              0          0
pool_z2_samba/shares/ComitatoEtico                  24,4T   200K
0    200K              0          0
pool_z2_samba/shares/Convenzioni                    24,4T   190G
120M    190G              0          0
pool_z2_samba/shares/Coord_Tecnico_Sanitario        24,4T  12,0G
3,61M   12,0G              0          0
pool_z2_samba/shares/Ctrlgestione                   24,4T  58,2G
17,5M   58,2G              0          0
pool_z2_samba/shares/DAI                            24,4T  1,80G
8,68M   1,79G              0          0
pool_z2_samba/shares/DCTV                           24,4T   207G
60,3M    207G              0          0
pool_z2_samba/shares/DEU                            24,4T  13,6G
11,5M   13,6G              0          0
pool_z2_samba/shares/Diabetologia                   24,4T  1,34G
6,09M   1,33G              0          0
pool_z2_samba/shares/Dietiste                       24,4T  27,1G
158M   26,9G              0          0
pool_z2_samba/shares/Direzione                      24,4T   441G
73,1M    441G              0          0
pool_z2_samba/shares/Dirsanitaria                   24,4T   441G
773M    440G              0          0
pool_z2_samba/shares/ESTAV                          24,4T  3,04G
0   3,04G              0          0
pool_z2_samba/shares/Economato                      24,4T   218G
124M    218G              0          0
pool_z2_samba/shares/Ematologia                     24,4T   330G
389M    330G              0          0
pool_z2_samba/shares/Endocrinologia                 24,4T   298G
163M    298G              0          0
pool_z2_samba/shares/Epatologia                     24,4T   578G
381M    578G              0          0
pool_z2_samba/shares/Estav                          24,4T  5,44G
0   5,44G              0          0
pool_z2_samba/shares/Farmacia                       24,4T   278G
342M    278G              0          0
pool_z2_samba/shares/Farmacologia_Clinica           24,4T  14,1G
8,56M   14,1G              0          0
pool_z2_samba/shares/Fascicoli                      24,4T  7,32G
80,3M   7,24G              0          0
pool_z2_samba/shares/Fisica_Sanitaria               24,4T   329G
18,8M    329G              0          0
pool_z2_samba/shares/Fisiopatologia                 24,4T   126G
483M    126G              0          0
pool_z2_samba/shares/Gaps                           24,4T   806G
75,1G    731G              0          0
pool_z2_samba/shares/Gastro_Uni                     24,4T  74,8G
90,2M   74,8G              0          0
pool_z2_samba/shares/Gastroentero                   24,4T  22,7G
25,1M   22,6G              0          0
pool_z2_samba/shares/Geriatria                      24,4T  10,8G
124M   10,7G              0          0
pool_z2_samba/shares/HTA                            24,4T  75,5G
73,0M   75,4G              0          0
pool_z2_samba/shares/IMPORTANTE                     24,4T  14,8M
0   14,8M              0          0
pool_z2_samba/shares/ImagesBank_ChGen               24,4T   320G
7,41M    320G              0          0
pool_z2_samba/shares/ImagesBank_GastrUni            24,4T   192K
0    192K              0          0
pool_z2_samba/shares/ImagesBank_Gastro              24,4T  1,56T
385M   1,56T              0          0
pool_z2_samba/shares/ImagesBank_Trap                24,4T   192K
0    192K              0          0
pool_z2_samba/shares/ImagesBank_Urol                24,4T  11,0G
416K   11,0G              0          0
pool_z2_samba/shares/ImagesBank_UrolUniv            24,4T   167G
1,67M    167G              0          0
pool_z2_samba/shares/Imagesbank-cis-Software        24,4T  31,3M
0   31,3M              0          0
pool_z2_samba/shares/Immuno-Allergologia            24,4T  7,80G
65,0M   7,74G              0          0
pool_z2_samba/shares/Immunosrv                      24,4T   144M
0    144M              0          0
pool_z2_samba/shares/Infettive                      24,4T  38,4G
473M   38,0G              0          0
pool_z2_samba/shares/Inventario                     24,4T  13,0G
0   13,0G              0          0
pool_z2_samba/shares/Isap                           24,4T  3,81G
0   3,81G              0          0
pool_z2_samba/shares/Lab3                           24,4T  8,03G
0   8,03G              0          0
pool_z2_samba/shares/LabAnalisiChimiche             24,4T  3,65G
0   3,65G              0          0
pool_z2_samba/shares/Labendo                        24,4T   779M
0    779M              0          0
pool_z2_samba/shares/Laboratorio_Trapianti          24,4T   350M
3,61M    346M              0          0
pool_z2_samba/shares/Legale                         24,4T  34,0G
1,08G   32,9G              0          0
pool_z2_samba/shares/Libera_Professione             24,4T  37,4G
40,3M   37,3G              0          0
pool_z2_samba/shares/Liberaprof                     24,4T  1,71G
18,7M   1,69G              0          0
pool_z2_samba/shares/MLav                           24,4T  27,1G
93,8M   27,0G              0          0
pool_z2_samba/shares/Malattie_Cardiovascolari_1     24,4T  38,7G
0   38,7G              0          0
pool_z2_samba/shares/Medicali                       24,4T   425G
2,46G    422G              0          0
pool_z2_samba/shares/Medicina2                      24,4T  92,5G
58,8M   92,4G              0          0
pool_z2_samba/shares/Medicina4                      24,4T   109G
3,52G    105G              0          0
pool_z2_samba/shares/Medicina5                      24,4T  50,1G
32,8M   50,1G              0          0
pool_z2_samba/shares/MedicinaUrgenzaSSN             24,4T  57,4G
38,2M   57,4G              0          0
pool_z2_samba/shares/MedicinaUrgenzaUNIV            24,4T  14,4G
27,9M   14,4G              0          0
pool_z2_samba/shares/Medicina_Generale_1            24,4T   217G
65,3M    217G              0          0
pool_z2_samba/shares/Medicina_Generale_3            24,4T  2,97G
7,75M   2,96G              0          0
pool_z2_samba/shares/Medicina_Nucleare              24,4T   226G
2,71M    226G              0          0
pool_z2_samba/shares/Medicinalegale                 24,4T  9,75G
3,40M   9,74G              0          0
pool_z2_samba/shares/Medprev                        24,4T   446G
686M    445G              0          0
pool_z2_samba/shares/Metis                          24,4T   920G
11,5M    920G              0          0
pool_z2_samba/shares/Microbiologia                  24,4T   687M
0    687M              0          0
pool_z2_samba/shares/Monreafarma                    24,4T  2,51G
0   2,51G              0          0
pool_z2_samba/shares/NAS_AOUP1_FATTO                24,4T   192K
0    192K              0          0
pool_z2_samba/shares/NAS_AOUP_FATTO                 24,4T   192K
0    192K              0          0
pool_z2_samba/shares/NFS_SHARE                      24,4T  18,5G
0   18,5G              0          0
pool_z2_samba/shares/Nefrologia                     24,4T  40,5G
82,0M   40,4G              0          0
pool_z2_samba/shares/Nefrologia_Universitaria       24,4T  14,7G
0   14,7G              0          0
pool_z2_samba/shares/Neonatologia                   24,4T   139G
55,3M    139G              0          0
pool_z2_samba/shares/Neurochirurgia1                24,4T  2,45G
0   2,45G              0          0
pool_z2_samba/shares/Neurochirurgia2                24,4T   112G
20,0M    112G              0          0
pool_z2_samba/shares/Neurologia                     24,4T   661G
675M    660G              0          0
pool_z2_samba/shares/Neuroradiologia                24,4T  15,5G
4,68M   15,5G              0          0
pool_z2_samba/shares/Neuroriabilitazione            24,4T  5,16G
23,6M   5,14G              0          0
pool_z2_samba/shares/Oculistica                     24,4T  42,9G
61,5M   42,9G              0          0
pool_z2_samba/shares/Odontoiatria1                  24,4T   263G
5,40M    263G              0          0
pool_z2_samba/shares/Odontoiatria2                  24,4T  71,1G
0   71,1G              0          0
pool_z2_samba/shares/OncologiaUniversitaria         24,4T   138G
309M    137G              0          0
pool_z2_samba/shares/Oncologia_Medica               24,4T  5,17G
0   5,17G              0          0
pool_z2_samba/shares/Oncopediatria                  24,4T   201G
40,4M    201G              0          0
pool_z2_samba/shares/OrtoTrauma                     24,4T  56,4G
17,5M   56,3G              0          0
pool_z2_samba/shares/Ortopedia1                     24,4T  10,5G
13,2M   10,5G              0          0
pool_z2_samba/shares/Ortopedia2                     24,4T  38,5G
19,1M   38,5G              0          0
pool_z2_samba/shares/Ostetricia1                    24,4T  30,6G
3,95M   30,6G              0          0
pool_z2_samba/shares/Ostetricia2                    24,4T  12,0G
33,6M   11,9G              0          0
pool_z2_samba/shares/Oti                            24,4T  4,78G
14,3M   4,77G              0          0
pool_z2_samba/shares/Otorino1                       24,4T  22,9G
2,09M   22,9G              0          0
pool_z2_samba/shares/Otorino2                       24,4T   108M
0    108M              0          0
pool_z2_samba/shares/Otorino3                       24,4T   285G
37,0M    285G              0          0
pool_z2_samba/shares/PT                             24,4T  47,6G
8,02M   47,6G              0          0
pool_z2_samba/shares/Patrimonio                     24,4T   237G
118M    237G              0          0
pool_z2_samba/shares/Pdp                            24,4T  62,9G
117M   62,8G              0          0
pool_z2_samba/shares/PedDEA                         24,4T  89,5M
0   89,5M              0          0
pool_z2_samba/shares/Pediatria1                     24,4T   286G
65,0M    286G              0          0
pool_z2_samba/shares/Pediatria2                     24,4T  41,5G
156M   41,3G              0          0
pool_z2_samba/shares/Personale                      24,4T  45,1G
63,8M   45,1G              0          0
pool_z2_samba/shares/Pneumologia2                   24,4T  26,0G
321M   25,7G              0          0
pool_z2_samba/shares/Prevenzione                    24,4T   171G
102M    171G              0          0
pool_z2_samba/shares/ProgettoTrapianti              24,4T  1,75G
12,2M   1,74G              0          0
pool_z2_samba/shares/Provveditorato                 24,4T  49,0G
21,8M   49,0G              0          0
pool_z2_samba/shares/Psichiatria2                   24,4T   111M
0    111M              0          0
pool_z2_samba/shares/Psicologia                     24,4T   192K
0    192K              0          0
pool_z2_samba/shares/RadDEA                         24,4T  2,09G
1,95M   2,09G              0          0
pool_z2_samba/shares/Radiologia1                    24,4T   330M
0    330M              0          0
pool_z2_samba/shares/Radioterapia                   24,4T   207G
16,9M    207G              0          0
pool_z2_samba/shares/Ragioneria                     24,4T  36,6G
29,4M   36,6G              0          0
pool_z2_samba/shares/RapidVC                        24,4T  56,9G
0   56,9G              0          0
pool_z2_samba/shares/Regproto                       24,4T  53,9M
176K   53,7M              0          0
pool_z2_samba/shares/Retribuzioni                   24,4T  32,1G
38,4M   32,1G              0          0
pool_z2_samba/shares/Reumatologia                   24,4T   113G
115M    113G              0          0
pool_z2_samba/shares/RiabCard                       24,4T   170M
4,50M    165M              0          0
pool_z2_samba/shares/Rianimazione1                  24,4T   484G
3,59M    484G              0          0
pool_z2_samba/shares/Rianimazione2                  24,4T  6,01G
6,06M   6,01G              0          0
pool_z2_samba/shares/Rianimazione3                  24,4T  5,29G
1,75M   5,28G              0          0
pool_z2_samba/shares/Rianimazione4                  24,4T  93,4G
37,2G   56,2G              0          0
pool_z2_samba/shares/Rianimazione7                  24,4T   192K
0    192K              0          0
pool_z2_samba/shares/RianimazionePS                 24,4T  20,2M
0   20,2M              0          0
pool_z2_samba/shares/Rti                            24,4T  5,35M
0   5,35M              0          0
pool_z2_samba/shares/Scanner                        24,4T  11,7G
4,11M   11,7G              0          0
pool_z2_samba/shares/Scompenso                      24,4T  1,71G
0   1,71G              0          0
pool_z2_samba/shares/Senologia                      24,4T   169G
268M    169G              0          0
pool_z2_samba/shares/Service                        24,4T   653G
0    653G              0          0
pool_z2_samba/shares/Sterilizzatori                 24,4T  18,6G
73,2M   18,5G              0          0
pool_z2_samba/shares/TMO                            24,4T  18,8M
759K   18,1M              0          0
pool_z2_samba/shares/Tdgroup                        24,4T   200K
0    200K              0          0
pool_z2_samba/shares/Tecnico                        24,4T  61,2G
5,10M   61,2G              0          0
pool_z2_samba/shares/Trapianti                      24,4T   783G
143M    783G              0          0
pool_z2_samba/shares/Trasfusionale                  24,4T  19,3G
11,0G   8,24G              0          0
pool_z2_samba/shares/Trasfusionale_Cisanello        24,4T   361G
5,27G    356G              0          0
pool_z2_samba/shares/Trasfusione                    24,4T  9,86G
512K   9,86G              0          0
pool_z2_samba/shares/UFA                            24,4T  26,4M
0   26,4M              0          0
pool_z2_samba/shares/UfficioTecnico                 24,4T  3,00T
1,75G   3,00T              0          0
pool_z2_samba/shares/Uosi                           24,4T  1,47T
13,1G   1,45T              0          0
pool_z2_samba/shares/Urologia                       24,4T  14,1G
3,84M   14,1G              0          0
pool_z2_samba/shares/Urologia_Universitaria         24,4T   138G
22,6M    138G              0          0
pool_z2_samba/shares/Urp                            24,4T  10,6G
10,6M   10,6G              0          0
pool_z2_samba/shares/Virologia                      24,4T  1,42G
0   1,42G              0          0
pool_z2_samba/shares/Vite                           24,4T   192K
0    192K              0          0
pool_z2_samba/shares/Xcelera_Repository             24,4T  1,29T
0   1,29T              0          0
pool_z2_samba/shares/Xcelera_Repository2            24,4T  10,1T
75,3M   10,1T              0          0
pool_z2_samba/shares/endocrinoch                    24,4T  19,1G
41,6M   19,1G              0          0
pool_z2_samba/shares/logon                          24,4T   200K
0    200K              0          0
pool_z2_samba/shares/mystarsrv                      24,4T  3,42G
20,3M   3,40G              0          0
pool_z2_samba/shares/offtrasf                       24,4T  1,18G
0   1,18G              0          0
pool_z2_samba/shares/otouniv                        24,4T  1,23T
655K   1,23T              0          0
pool_z2_samba/shares/samba_conf_backup              24,4T   606M
0    606M              0          0
pool_z2_samba/shares/serntcis                       24,4T  67,3M
0   67,3M              0          0
pool_z2_samba/shares/system_conf_backup             24,4T  22,8M
0   22,8M              0          0
pool_z2_samba/shares/zfs_script                     24,4T   192K
0    192K              0          0


>
> ** Bug watch added: Github Issue Tracker for ZFS #6917
>    https://github.com/zfsonlinux/zfs/issues/6917
>
> ** Also affects: zfs via
>    https://github.com/zfsonlinux/zfs/issues/6917
>    Importance: Unknown
>        Status: Unknown
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1723948
>
> Title:
>   error -lock in zfs send
>
> Status in Native ZFS for Linux:
>   Unknown
> Status in zfs-linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   zfs send stop working. the process did not produce output. checked by
>   mbuffer log
>
>   in kernel.log:
>   Oct 15 07:25:53 zfs-cis kernel: [479439.151281] INFO: task zfs:8708
> blocked for more than 120 seconds.
>   Oct 15 07:25:53 zfs-cis kernel: [479439.156980]       Tainted: P
>    OE   4.4.0-96-generic #119-Ubuntu
>   Oct 15 07:25:53 zfs-cis kernel: [479439.162688] "echo 0 >
> /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>   Oct 15 07:25:53 zfs-cis kernel: [479439.173974] zfs             D
> ffff88197bd77318     0  8708   8141 0x00000000
>   Oct 15 07:25:53 zfs-cis kernel: [479439.173981]  ffff88197bd77318
> ffffffff810c3dc2 ffff8820374cf000 ffff881b645ff000
>   Oct 15 07:25:53 zfs-cis kernel: [479439.173985]  ffff88197bd78000
> 0000000000792c6d ffff882030aa4ac8 0000000000000000
>   Oct 15 07:25:53 zfs-cis kernel: [479439.173989]  ffff88101dac1840
> ffff88197bd77330 ffffffff8183f165 ffff882030aa4a00
>   Oct 15 07:25:53 zfs-cis kernel: [479439.173993] Call Trace:
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174006]  [<ffffffff810c3dc2>] ?
> __wake_up_common+0x52/0x90
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174023]  [<ffffffff8183f165>]
> schedule+0x35/0x80
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174045]  [<ffffffffc03d7cb0>]
> taskq_wait_id+0x60/0xb0 [spl]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174051]  [<ffffffff810c4480>] ?
> wake_atomic_t_function+0x60/0x60
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174115]  [<ffffffffc05036b0>] ?
> dump_write+0x230/0x230 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174178]  [<ffffffffc0542022>]
> spa_taskq_dispatch_sync+0x92/0xd0 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174223]  [<ffffffffc0502b81>]
> dump_bytes+0x51/0x70 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174267]  [<ffffffffc050359e>]
> dump_write+0x11e/0x230 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174311]  [<ffffffffc0505523>]
> backup_cb+0x633/0x850 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174356]  [<ffffffffc050777a>]
> traverse_visitbp+0x47a/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174365]  [<ffffffffc03d497f>] ?
> spl_kmem_alloc+0xaf/0x190 [spl]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174409]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174462]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174503]  [<ffffffffc050848f>]
> traverse_dnode+0x7f/0xe0 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174542]  [<ffffffffc05079cc>]
> traverse_visitbp+0x6cc/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174579]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174616]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174653]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174690]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174726]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174762]  [<ffffffffc05078c0>]
> traverse_visitbp+0x5c0/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174799]  [<ffffffffc050848f>]
> traverse_dnode+0x7f/0xe0 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174835]  [<ffffffffc0507b65>]
> traverse_visitbp+0x865/0x960 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174871]  [<ffffffffc0507e0e>]
> traverse_impl+0x1ae/0x410 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174908]  [<ffffffffc0504ef0>] ?
> dmu_recv_end_check+0x210/0x210 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174944]  [<ffffffffc05080c2>]
> traverse_dataset+0x52/0x60 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.174981]  [<ffffffffc0504ef0>] ?
> dmu_recv_end_check+0x210/0x210 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175017]  [<ffffffffc0502fa9>]
> dmu_send_impl+0x409/0x560 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175060]  [<ffffffffc0505a22>]
> dmu_send_obj+0x172/0x1e0 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175129]  [<ffffffffc0572389>]
> zfs_ioc_send+0xe9/0x2c0 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175143]  [<ffffffffc03d489b>] ?
> strdup+0x3b/0x60 [spl]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175207]  [<ffffffffc057670b>]
> zfsdev_ioctl+0x44b/0x4e0 [zfs]
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175218]  [<ffffffff81223faf>]
> do_vfs_ioctl+0x29f/0x490
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175225]  [<ffffffff8108061c>] ?
> _do_fork+0xec/0x360
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175232]  [<ffffffff81224219>]
> SyS_ioctl+0x79/0x90
>   Oct 15 07:25:53 zfs-cis kernel: [479439.175242]  [<ffffffff81843272>]
> entry_SYSCALL_64_fastpath+0x16/0x71
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/zfs/+bug/1723948/+subscriptions
>

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1723948

Title:
  error -lock in zfs send

To manage notifications about this bug go to:
https://bugs.launchpad.net/zfs/+bug/1723948/+subscriptions

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