log performance

markpower28

Active Member
Apr 9, 2013
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This is a pool with 4 mirror of 450 GB 15K SAS drives. The log device is a SLC Fusion-IO card. I am impressed by 636MB/s. How's everyone else log's performance?

capacity operations bandwidth
pool alloc free read write read write
---------- ----- ----- ----- ----- ----- -----
Pool-01 757G 907G 0 10.8K 0 791M
mirror 189G 227G 0 343 0 36.9M
c0t5000C500397817FBd0 - - 0 80 0 37.5M
c0t5000C5003978268Bd0 - - 0 80 0 36.9M
mirror 189G 227G 0 386 0 42.1M
c0t5000C50039783653d0 - - 0 67 0 42.5M
c0t5000C50039783F6Fd0 - - 0 67 0 43.3M
mirror 189G 227G 0 344 0 38.4M
c0t5000C5003978D99Bd0 - - 0 113 0 60.8M
c0t5000C500397905D3d0 - - 0 76 0 38.4M
mirror 189G 227G 0 345 0 37.7M
c0t5000C500397A4BD7d0 - - 0 77 0 38.6M
c0t5000C500397D647Fd0 - - 0 77 0 38.2M
log - - - - - -
c17d0 164K 148G 0 9.38K 0 636M

 
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whitey

Moderator
Jun 30, 2014
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About 1/2 that here w/ a 100GB HGST husslass600 sas slc ssd as my log device.

hgst-slc-sas-ssd-zil-600MBps-hybrid-pool.png
 
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