O acesso à rede pára por algum tempo na instalação centos7 + zfs + samba

3

Eu tenho servidor de armazenamento com o CentOS7 com 4 HDDs rodando em raidz (Raid 5). Eu acesso os arquivos nele via samba.

Quando copio arquivos dele ou assisto a filmes, às vezes a leitura do samba é bloqueada por 10 segundos e depois continua. Não tenho idéia de quantas vezes bloqueia, mas é uma vez a cada 5-10 minutos. Pode ser uma vez a cada X MB de dados lidos ...

O mesmo computador rodava muito bem no CentOS6 com invasão de software.

em / var / log / messages não há nada na hora em que acessei os arquivos

Status do ZFS (já executei o scrub manualmente antes e não encontrei nenhum erro):

# zpool status -v
  pool: backup
 state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
        still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
        the pool may no longer be accessible by software that does not support
        the features. See zpool-features(5) for details.
  scan: scrub repaired 0B in 2h45m with 0 errors on Sun Nov 12 08:15:09 2017
config:

        NAME        STATE     READ WRITE CKSUM
        backup      ONLINE       0     0     0
          mirror-0  ONLINE       0     0     0
            sda6    ONLINE       0     0     0
            sdb6    ONLINE       0     0     0
        cache
          sde3      ONLINE       0     0     0

errors: No known data errors

  pool: storage
 state: ONLINE
  scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        storage     ONLINE       0     0     0
          raidz1-0  ONLINE       0     0     0
            sda5    ONLINE       0     0     0
            sdb5    ONLINE       0     0     0
            sdc5    ONLINE       0     0     0
            sdd5    ONLINE       0     0     0
        cache
          sde2      ONLINE       0     0     0

errors: No known data errors

no smbd.log Eu só vejo (eu desabilitei links largos):

[2018/02/13 10:08:59.532259,  0] ../source3/param/loadparm.c:4485(widelinks_warning)
  Share 'storage' has wide links and unix extensions enabled. These parameters are incompatible. Wide links will be disabled for this share.

Eu notei essas mensagens no dmesg (pode não ter nada a ver com as barracas):

[ 1247.680530] perf: interrupt took too long (2513 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
[ 1551.176577] perf: interrupt took too long (3145 > 3141), lowering kernel.perf_event_max_sample_rate to 63000
[ 5137.178646] perf: interrupt took too long (3970 > 3931), lowering kernel.perf_event_max_sample_rate to 50000
[ 5231.736533] perf: interrupt took too long (4969 > 4962), lowering kernel.perf_event_max_sample_rate to 40000
[ 5824.261569] perf: interrupt took too long (6215 > 6211), lowering kernel.perf_event_max_sample_rate to 32000
[ 7051.322619] perf: interrupt took too long (7783 > 7768), lowering kernel.perf_event_max_sample_rate to 25000

Atualizar

Aqui estão algumas informações sobre smartctl:

/dev/sda

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%       528         -

/dev/sdb

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     39047         -

/dev/sdc

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     19547         -

/dev/sdd

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     22117         -
# 2  Short offline       Completed without error       00%      4022         -

A integridade geral de todas as unidades é de "PASSED"

Nenhuma entrada no log de erros.

Aqui estão os atributos inteligentes:

/dev/sda

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   253   253   021    Pre-fail  Always       -       8975
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       74
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   100   100   000    Old_age   Always       -       528
 10 Spin_Retry_Count        0x0032   100   253   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   253   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       74
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       8
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       65
194 Temperature_Celsius     0x0022   121   090   000    Old_age   Always       -       31
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   100   253   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0

/dev/sdb 

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       3
  3 Spin_Up_Time            0x0027   253   253   021    Pre-fail  Always       -       8441
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       149
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   047   047   000    Old_age   Always       -       39048
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       147
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       63
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       86
194 Temperature_Celsius     0x0022   120   100   000    Old_age   Always       -       32
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0

/dev/sdc

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   171   171   021    Pre-fail  Always       -       4416
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       130
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   074   074   000    Old_age   Always       -       19549
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       130
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       47
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       97
194 Temperature_Celsius     0x0022   117   101   000    Old_age   Always       -       30
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       3

/dev/sdd

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   172   172   021    Pre-fail  Always       -       4366
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       149
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   070   070   000    Old_age   Always       -       22120
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       149
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       61
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       147
194 Temperature_Celsius     0x0022   114   099   000    Old_age   Always       -       33
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0
    
por NickSoft 14.02.2018 / 14:44

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