Hi,
I just noticed something interesting ... don't know whether it's
relevant or not (two commands run in succession during a 'nightly' run):
$ iostat -xnz 6
[...]
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.0 0.3 0.0 0.8 0.0 0.0 0.2 0.2 0 0 c2t0d0
2.2 79.8 128.7 216.1 0.0 0.1 0.1 1.4 1 6 c1t0d0
2.0 76.8 118.1 208.6 0.0 0.1 0.1 1.2 1 4 c1t1d0
1.7 79.0 106.7 216.1 0.0 0.1 0.1 1.1 1 5 c1t2d0
2.2 78.2 128.7 209.9 0.0 0.1 0.1 1.1 1 4 c1t3d0
1.8 81.2 107.4 217.4 0.0 0.1 0.1 1.1 1 5 c1t4d0
1.8 78.2 107.4 209.2 0.0 0.1 0.1 1.1 1 5 c1t5d0
0.5 53.7 32.0 106.7 0.0 0.1 0.1 1.6 0 3 c1t8d0
0.5 51.8 32.0 106.7 0.0 0.1 0.1 1.7 0 3 c1t9d0
0.2 52.5 10.7 106.9 0.0 0.1 0.1 1.3 0 3 c1t10d0
0.3 51.3 21.3 107.5 0.0 0.1 0.1 1.5 0 3 c1t11d0
0.3 52.3 21.3 107.6 0.0 0.1 0.1 1.7 0 3 c1t12d0
$ zpool iostat -v 6
capacity operations bandwidth
pool used avail read write read write
----------- ----- ----- ----- ----- ----- -----
zpool 930G 566G 16 114 41.5K 915K
raidz1 631G 185G 11 71 30.9K 573K
c3t0d0 - - 0 38 38.8K 120K
c3t1d0 - - 0 42 38.8K 115K
c3t2d0 - - 0 44 49.9K 120K
c3t3d0 - - 0 43 33.3K 115K
c3t4d0 - - 0 41 44.4K 120K
c3t5d0 - - 0 43 38.8K 114K
raidz1 299G 381G 5 42 10.5K 341K
c3t8d0 - - 0 25 0 87.5K
c3t9d0 - - 0 24 0 87.1K
c3t10d0 - - 0 25 5.54K 87.0K
c3t11d0 - - 0 25 0 86.8K
c3t12d0 - - 0 25 0 87.2K
----------- ----- ----- ----- ----- ----- -----
I find it remarkable that what is c1* in iostat obviously turns into c3*
in zpool iostat.
comments?
Michael
--
Michael Schuster Sun Microsystems, Inc.
recursion, n: see 'recursion'
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