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2006 Sep 07
5
Performance problem of ZFS ( Sol 10U2 )
...ity operations bandwidth
pool used avail read write read write
------------------------- ----- ----- ----- ----- ----- -----
mailstore 3.54T 2.08T 280 295 7.10M 5.24M
mirror 590G 106G 34 31 676K 786K
c6t3d0 - - 14 16 960K 773K
c8t22260001552EFE2Cd0 - - 16 18 1.06M 786K
mirror 613G 82.9G 51 37 1.44M 838K
c6t3d1 - - 20 19 1.57M 824K
c5t1d1...
2011 May 13
27
Extremely slow zpool scrub performance
Running a zpool scrub on our production pool is showing a scrub rate
of about 400K/s. (When this pool was first set up we saw rates in the
MB/s range during a scrub).
Both zpool iostat and an iostat -Xn show lots of idle disk times, no
above average service times, no abnormally high busy percentages.
Load on the box is .59.
8 x 3GHz, 32GB ram, 96 spindles arranged into raidz zdevs on OI 147.