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Bug #6230

Updated by Yuri Pankov over 6 years ago

During continuous write on zpool disk I/O halts for couple of seconds. iostat reports 100% busy disk and hw error on different disks. system reports scsi timeout error message on console and syslog messages. 

 Server Model: Dell R730xd 
 SAS Controller: PERC H730 Mini 
 <pre> 
 

 root@dell-r730xd:/root# uname -a 
 SunOS dell-r730xd 5.11 omnios-d08e0e5 i86pc i386 i86pc 

 root@dell-r730xd:/root# modinfo |grep mr_sas 
 180 fffffffff80d8000    1d070 139     1    mr_sas (6.503.00.00ILLUMOS) 

 root@dell-r730xd:/root# digest -a sha1 /kernel/drv/amd64/mr_sas 
 2c81e48297a06a585cf5ae31ee92a537e7563962 

 iostat -exn 1 output: 
                             extended device statistics         ---- errors --- 
     r/s      w/s     kr/s     kw/s wait actv wsvc_t asvc_t    %w    %b s/w h/w trn tot device 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 rpool 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 c3t0d0 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 c1t0d1 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 c1t1d1 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 c1t2d1 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 c1t3d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    71    42 113 c1t4d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    51    28    79 c1t5d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    59    30    89 c1t6d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    75    47 122 c1t7d1 
     0.0      0.0      0.0      0.0    0.0 10.0      0.0      0.0     0 100     0    57    27    84 c1t8d1 
     0.0      0.0      0.0      0.0    0.0    9.0      0.0      0.0     0 100     0    99    63 162 c1t9d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    74    49 123 c1t10d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    76    40 116 c1t11d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    60    30    90 c1t12d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    86    59 145 c1t13d1 
     0.0      0.0      0.0      0.0    8.0    1.0      0.0      0.0 100 100     0    71    40 111 c1t14d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0 118    73 191 c1t15d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    79    47 126 c1t16d1 
     0.0      0.0      0.0      0.0    0.0    8.0      0.0      0.0     0 100     0    85    54 139 c1t17d1 
     0.0      0.0      0.0      0.0    8.0    1.0      0.0      0.0 100 100     0    83    52 135 c1t18d1 
     0.0      0.0      0.0      0.0    8.0    1.0      0.0      0.0 100 100     0    94    64 158 c1t19d1 
     0.0      0.0      0.0      0.0    0.0    0.0      0.0      0.0     0     0     0     0     0     0 c1t20d1 
     0.0      0.0      0.0      0.0 24715.0 134.0      0.0      0.0 100 100     0     0     0     0 test 
 </pre> 


 /var/adm/messages: 

 /var/adm/messages: 
 <pre> 
 Sep 15 12:16:13 dell-r730xd genunix: [ID 761523 kern.warning] WARNING: mr_sas0: tbolt_complete_cmd: scsi_io failed 
 Sep 15 12:21:59 dell-r730xd last message repeated 267 times 
 Sep 15 12:21:59 dell-r730xd genunix: [ID 761523 kern.warning] WARNING: mr_sas0: tbolt_complete_cmd: scsi_io failed 
 </pre> 

 <pre> 
 


 root@dell-r730xd:/root# megacli -AdpAllInfo -a0 

 Adapter #0 

 ============================================================================== 
                     Versions 
                 ================ 
 Product Name      : PERC H730 Mini 
 Serial No         : 57I009V 
 FW Package Build: 25.3.0.0016 

                     Mfg. Data 
                 ================ 
 Mfg. Date         : 07/21/15 
 Rework Date       : 07/21/15 
 Revision No       : A01 
 Battery FRU       : N/A 

                 Image Versions in Flash: 
                 ================ 
 BIOS Version         : 6.23.03.0_4.16.07.00_0x060C0200 
 Ctrl-R Version       : 5.04-0012 
 FW Version           : 4.250.00-4402 
 NVDATA Version       : 3.1411.00-0019 
 Boot Block Version : 3.02.00.00-0001 



 root@dell-r730xd:/root# megacli -AdpAllInfo -a0 | egrep 'JBOD|Direct PD' 
 Enable JBOD                               : Yes 
 Direct PD Mapping                  : Yes 
 Enable JBOD                        : Yes 
 </pre>

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