[OmniOS-discuss] Slow NFS writes in 151026
Lee Damon
nomad at ee.washington.edu
Thu Aug 23 16:38:38 UTC 2018
These are 12TB SAS drives (Seagate ST12000NM0027) for data & hot spare. ZIL
& L2ARC are 480GB INTEL SSDSC2KG48 SSDs. Everything is left at default for
sector size, etc. They were basically prepared for into the pool with a
simple fdisk -B /dev/rdsk/drive.
Ping never shows loss of connectivity. I ran this for about 5 minutes
during a test:
303 packets transmitted, 303 received, 0% packet loss, time 302021ms
rtt min/avg/max/mdev = 0.109/0.281/2.881/0.227 ms
CIFS, scp, and rsync do not exhibit the problem. I forgot to mention that
local copies on the file server are also as fast as I would expect (~2 min).
pool: pool0
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
pool0 ONLINE 0 0 0
raidz2-0 ONLINE 0 0 0
c0t5000C500A612DA93d0 ONLINE 0 0 0
c0t5000C500957D4A93d0 ONLINE 0 0 0
c0t5000C500957D4C1Bd0 ONLINE 0 0 0
c0t5000C500957D25B3d0 ONLINE 0 0 0
c0t5000C500957D27F3d0 ONLINE 0 0 0
c0t5000C500957D2553d0 ONLINE 0 0 0
logs
mirror-1 ONLINE 0 0 0
c0t55CD2E414EC0FF43d0s0 ONLINE 0 0 0
c3t0d0s0 ONLINE 0 0 0
cache
c0t55CD2E414EC0FF43d0s1 ONLINE 0 0 0
c3t0d0s1 ONLINE 0 0 0
spares
c0t5000C50095722E27d0 AVAIL
iostat:
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
15.8 57.5 1302.5 5372.3 823.0 0.6 11233.2 8.4 9 9 pool0
0.1 19.9 1.7 163.0 0.0 0.0 1.0 0.1 0 0 rpool
0.1 10.2 0.9 81.5 0.0 0.0 0.0 0.0 0 0 c1t4d0
0.0 10.1 0.8 81.5 0.0 0.0 0.0 0.1 0 0 c1t5d0
2.7 19.5 337.8 1359.4 0.4 0.0 16.1 0.5 8 1 c3t0d0
1.9 6.0 114.5 442.2 0.0 0.0 0.0 5.0 0 1
c0t5000C500957D27F3d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0 0
c0t5000C50095722E27d0
1.5 6.0 86.2 442.9 0.0 0.0 0.0 4.7 0 1
c0t5000C500957D25B3d0
1.5 6.0 78.2 442.5 0.0 0.0 0.0 4.2 0 1
c0t5000C500957D4C1Bd0
1.7 6.1 102.4 442.8 0.0 0.0 0.0 4.7 0 1
c0t5000C500A612DA93d0
1.6 6.0 86.6 442.5 0.0 0.0 0.0 4.3 0 1
c0t5000C500957D2553d0
2.0 5.9 122.2 442.2 0.0 0.0 0.0 5.0 0 1
c0t5000C500957D4A93d0
2.9 19.5 374.7 1357.9 0.0 0.0 0.0 1.2 0 1
c0t55CD2E414EC0FF43d0
c1t4d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: INTEL SSDSC2KB24 Revision: 0121 Serial No:
BTYS817407RE240
Size: 240.06GB <240057409536 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c1t5d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: INTEL SSDSC2KB24 Revision: 0121 Serial No:
BTYS817409YS240
Size: 240.06GB <240057409536 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c3t0d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: INTEL SSDSC2KG48 Revision: 0121 Serial No:
BTYM7405027L480
Size: 480.10GB <480103981056 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C500957D27F3d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0VFGX0000J74
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C50095722E27d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0S42H0000J75
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C500957D25B3d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0VFJV0000J74
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C500957D4C1Bd0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0P6050000J83
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C500A612DA93d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0WCCN0000J80
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C500957D2553d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0VFK30000J74
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t5000C500957D4A93d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST12000NM0027 Revision: E001 Serial No:
ZJV0VBQ80000R81
Size: 12000.14GB <12000138625024 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
c0t55CD2E414EC0FF43d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: ATA Product: INTEL SSDSC2KG48 Revision: 0121 Serial No:
BTYM740600ZT480
Size: 480.10GB <480103981056 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
nomad
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