thanks so far!
so - here are some numbers:
i booted into linux, and streaming writes (1M blocksize) are 6-8MB/s, streaming
READS are >100MB/s !!!! (tested with filesize >>ramsize)
with Solaris, i`m getting similar value for WRITES, but READS are painfully
slow.
>1) Have you disabled atime on the dataset(s)? (zfs set atime=off pool)
is that really relevant here with huge, single files ? i don`t care about small
file performance as this will be a backup-box where i rsync (--inplace) large
datafiles to.
>2) How much physical memory do you have?
4gb
3) How do successive runs look?
that does not make a difference at all
4) Did you enable compression?
nope
>I would recommend also looking not just at 'iostat' but also 'fsstat' to get a
>better idea of what the IO load is like on an op basis.
with fsstat, i don`t see anything what iostat doesn`t tell: when reading, "read
ops" and "read bytes" look as weird as with iostat - nothing in the other
columes, as i`m doing single, largefile operations.
>And if you must, use /dev/null not /dev/zero.)
err, sure :)
so - here`s some data for WRITES:
bash-3.2# ptime dd if=/dev/urandom of=/zfs/TESTFILE bs=1024k count=512
512+0 Datensätze in
512+0 Datensätze aus
real 1:56.271140184
user 0.003242303
sys 18.139012578
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
bash-3.2# iostat -zxnd 1 |egrep -v "extended|device"
2.7 1.1 266.2 11.8 5.5 0.1 1463.7 14.4 18 2 c0t0d0
14.3 7.7 2770.3 1409.1 4.7 0.4 214.9 16.0 18 17 c0t1d0
4.0 0.0 140.0 0.0 0.0 0.0 0.0 7.7 0 2 c0t1d0
0.0 14.0 0.0 1555.4 1.9 0.7 136.6 50.5 21 23 c0t1d0
0.0 64.0 0.0 8192.1 29.9 3.0 466.6 46.7 100 100 c0t1d0
0.0 60.0 0.0 7680.2 32.0 3.0 533.2 49.8 100 100 c0t1d0
0.0 66.0 0.0 8447.8 30.7 3.0 464.8 45.3 100 100 c0t1d0
0.0 56.0 0.0 3008.5 5.4 1.8 96.3 31.3 78 66 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 25.0 0.0 2968.4 10.3 1.1 414.0 44.0 100 38 c0t1d0
0.0 67.0 0.0 8575.9 31.9 3.0 476.5 44.6 100 100 c0t1d0
0.0 60.0 0.0 7680.1 32.0 3.0 533.2 49.8 100 100 c0t1d0
0.0 67.0 0.0 8575.8 26.4 3.0 393.5 44.6 100 100 c0t1d0
0.0 41.0 0.0 1094.5 4.8 1.0 117.8 24.8 86 38 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 46.0 0.0 5653.7 18.0 2.0 392.1 43.1 100 67 c0t1d0
0.0 65.0 0.0 8320.0 32.0 3.0 492.2 46.0 100 100 c0t1d0
0.0 64.0 0.0 8192.8 32.0 3.0 499.9 46.7 100 100 c0t1d0
0.0 82.0 0.0 6469.0 15.4 2.9 187.9 35.2 85 100 c0t1d0
0.0 2.0 0.0 256.0 7.0 0.0 3491.8 4.0 100 1 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 3.0 0.0 150.5 7.0 0.1 2319.5 33.8 100 4 c0t1d0
0.0 65.0 0.0 8319.8 27.0 3.0 415.1 46.0 100 100 c0t1d0
0.0 65.0 0.0 8320.2 32.0 3.0 492.2 46.0 100 100 c0t1d0
0.0 62.0 0.0 7936.5 32.0 3.0 516.0 48.2 100 100 c0t1d0
0.0 76.0 0.0 6335.9 15.9 2.9 209.4 38.6 86 100 c0t1d0
0.0 8.0 0.0 387.9 6.4 0.3 804.3 32.8 96 9 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 65.0 0.0 8084.8 25.2 2.8 387.9 43.8 100 96 c0t1d0
0.0 67.0 0.0 8576.4 32.0 3.0 477.5 44.6 100 100 c0t1d0
0.0 66.0 0.0 8448.0 30.3 3.0 458.5 45.3 100 100 c0t1d0
0.0 54.0 0.0 2754.9 5.4 1.6 100.1 29.7 84 58 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 30.0 0.0 3607.9 12.7 1.4 422.0 46.8 100 48 c0t1d0
0.0 65.0 0.0 8320.4 32.3 2.6 497.5 40.6 100 89 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 9.0 0.0 1151.7 34.5 0.5 3837.8 51.7 100 16 c0t1d0
0.0 60.0 0.0 7680.6 32.0 3.0 533.0 49.8 100 100 c0t1d0
0.0 67.0 0.0 4422.5 9.3 2.2 138.5 32.7 86 77 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 18.0 0.0 2068.1 8.7 0.8 483.8 46.3 100 29 c0t1d0
0.0 64.0 0.0 8191.9 31.2 3.0 487.5 46.8 100 100 c0t1d0
0.0 70.0 0.0 8960.4 31.8 3.0 454.9 42.8 100 100 c0t1d0
0.0 84.0 0.0 6489.3 10.3 2.9 122.8 34.7 86 100 c0t1d0
0.0 66.0 0.0 8448.3 31.6 3.0 478.5 45.4 100 100 c0t1d0
0.0 67.0 0.0 8576.5 29.4 3.0 438.9 44.8 100 100 c0t1d0
0.0 77.0 0.0 5461.8 8.3 2.9 108.1 38.0 74 100 c0t1d0
0.0 65.0 0.0 8320.0 32.0 3.0 492.2 46.1 100 100 c0t1d0
0.0 82.0 0.0 6718.7 16.9 2.9 206.0 35.4 89 100 c0t1d0
0.0 5.0 0.0 385.0 6.5 0.2 1295.4 48.4 96 9 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 62.0 0.0 7826.4 24.4 2.9 394.1 46.3 100 97 c0t1d0
0.0 67.0 0.0 8576.2 26.4 3.0 394.2 44.8 100 100 c0t1d0
0.0 42.0 0.0 1344.5 4.6 1.1 110.3 27.0 84 41 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 39.0 0.0 4885.0 16.0 1.8 411.4 47.2 100 64 c0t1d0
0.0 66.0 0.0 8447.9 32.0 3.0 484.8 45.4 100 100 c0t1d0
0.0 66.0 0.0 8449.0 28.0 3.0 424.1 45.4 100 100 c0t1d0
0.0 78.0 0.0 5851.6 11.2 2.9 143.8 36.8 86 100 c0t1d0
0.0 61.0 0.0 7808.3 32.0 3.0 524.6 49.2 100 100 c0t1d0
0.0 64.0 0.0 8192.1 32.0 3.0 500.0 46.9 100 100 c0t1d0
0.0 67.0 0.0 7588.4 21.6 2.9 322.1 43.9 96 100 c0t1d0
0.0 82.0 0.0 7224.0 20.6 3.0 251.1 36.1 94 100 c0t1d0
0.0 68.0 0.0 8704.5 32.0 3.0 470.5 44.1 100 100 c0t1d0
0.0 74.0 0.0 8225.5 22.1 3.0 298.2 40.3 96 100 c0t1d0
0.0 77.0 0.0 6839.9 20.1 3.0 261.7 38.4 95 100 c0t1d0
0.0 68.0 0.0 8706.6 32.0 3.0 470.4 44.1 100 100 c0t1d0
0.0 82.0 0.0 6342.9 14.8 2.9 180.3 35.9 86 100 c0t1d0
0.0 3.0 0.0 384.0 6.9 0.0 2304.2 14.6 100 2 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 6.0 0.0 533.5 7.0 0.2 1168.2 39.5 100 9 c0t1d0
0.0 66.0 0.0 8448.1 28.5 3.0 431.4 45.4 100 100 c0t1d0
0.0 60.0 0.0 7680.9 32.0 3.0 533.3 50.0 100 100 c0t1d0
0.0 68.0 0.0 8703.3 24.9 3.0 366.1 44.1 100 100 c0t1d0
0.0 37.0 0.0 707.4 5.3 0.8 142.0 21.0 87 28 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 49.0 0.0 6042.5 20.0 2.3 408.2 46.5 100 77 c0t1d0
0.0 63.0 0.0 8064.1 32.0 3.0 507.9 47.6 100 100 c0t1d0
0.0 66.0 0.0 8447.4 32.0 3.0 484.9 45.4 100 100 c0t1d0
0.0 82.0 0.0 7109.2 18.3 2.9 223.6 35.8 91 100 c0t1d0
0.0 66.0 0.0 7581.2 22.9 3.0 347.2 44.9 98 100 c0t1d0
0.0 63.0 0.0 8065.0 32.0 3.0 507.9 47.6 100 100 c0t1d0
0.0 66.0 0.0 8448.2 32.0 3.0 484.8 45.4 100 100 c0t1d0
0.0 59.0 0.0 7552.0 27.7 3.0 469.1 50.8 100 100 c0t1d0
0.0 84.0 0.0 6500.2 13.5 2.9 161.0 34.4 89 100 c0t1d0
0.0 68.0 0.0 8704.3 32.0 3.0 470.6 44.1 100 100 c0t1d0
0.0 69.0 0.0 8832.1 32.0 3.0 463.7 43.5 100 100 c0t1d0
0.0 84.0 0.0 6615.9 15.2 2.9 180.4 34.5 91 100 c0t1d0
0.0 66.0 0.0 8329.2 26.7 3.0 404.5 45.4 100 100 c0t1d0
0.0 66.0 0.0 8448.1 32.0 3.0 484.8 45.4 100 100 c0t1d0
0.0 75.0 0.0 8482.9 21.5 3.0 287.1 39.4 94 100 c0t1d0
0.0 81.0 0.0 5578.6 15.7 2.9 194.0 36.3 94 100 c0t1d0
0.0 68.0 0.0 8704.7 32.0 3.0 470.5 44.1 100 100 c0t1d0
0.0 72.0 0.0 9216.0 32.0 3.0 444.4 41.7 100 100 c0t1d0
0.0 76.0 0.0 5829.5 14.0 2.8 183.7 36.4 81 100 c0t1d0
0.0 2.0 0.0 1.0 0.0 0.0 0.0 0.2 0 0 c0t1d0
0.0 3.0 0.0 383.9 5.2 0.2 1746.3 78.0 78 7 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 7.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 57.0 0.0 3025.8 4.7 1.7 81.8 29.0 70 60 c0t1d0
umount /zfs (to flush all buffer caches), remount
and here`s the data for READS *sigh* :
bash-3.2# ptime dd if=/zfs/TESTFILE of=/dev/null bs=1024k
512+0 Datensätze in
512+0 Datensätze aus
real 4:04.464142355
user 0.002964864
sys 0.999094707
iostat -zxnd 1 |egrep -v "extended|device"
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
80.0 0.0 10238.1 0.0 26.4 0.4 329.8 5.2 80 14 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
30.0 0.0 3839.3 0.0 34.9 0.1 1162.2 4.3 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
26.0 0.0 3327.5 0.0 34.8 0.2 1340.2 5.8 100 6 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
58.0 0.0 7422.8 0.0 34.7 0.3 598.4 4.7 100 10 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
25.0 0.0 3200.0 0.0 34.9 0.1 1394.9 4.7 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
7.0 0.0 895.9 0.0 35.0 0.0 4996.7 3.4 100 1 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
69.0 0.0 8830.5 0.0 34.6 0.4 501.6 5.3 100 13 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
37.0 0.0 4735.3 0.0 34.8 0.2 940.2 5.5 100 7 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
7.0 0.0 895.9 0.0 35.0 0.0 4995.3 5.0 100 2 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
27.0 0.0 3455.4 0.0 34.9 0.1 1291.4 4.7 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
13.0 0.0 1663.7 0.0 34.9 0.1 2685.2 7.2 100 3 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
46.0 0.0 5887.1 0.0 34.8 0.2 756.3 4.3 100 7 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
31.0 0.0 3967.2 0.0 34.8 0.2 1123.9 5.0 100 6 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
10.0 0.0 1279.8 0.0 34.9 0.1 3492.0 8.1 100 3 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
29.0 0.0 3711.6 0.0 34.9 0.1 1201.9 4.7 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
55.0 0.0 7037.2 0.0 34.7 0.3 631.1 4.8 100 9 c0t1d0
86.0 0.0 10888.5 0.0 32.4 0.4 377.2 4.8 99 15 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
83.0 0.0 10559.2 0.0 19.2 0.4 231.6 4.6 99 13 c0t1d0
0.0 0.0 0.0 0.0 16.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 16.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 16.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 16.0 0.0 0.0 0.0 100 0 c0t1d0
9.0 0.0 1151.8 0.0 22.5 0.0 2500.0 5.4 100 2 c0t1d0
0.0 0.0 0.0 0.0 25.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 25.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 25.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 25.0 0.0 0.0 0.0 100 0 c0t1d0
35.0 0.0 4479.3 0.0 32.0 0.2 914.7 4.4 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
14.0 0.0 1791.6 0.0 34.9 0.1 2494.0 6.0 100 3 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
46.0 0.0 5887.1 0.0 34.7 0.3 754.9 5.8 100 9 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
16.0 0.0 2047.8 0.0 34.9 0.1 2182.5 4.9 100 3 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
30.0 0.0 3839.5 0.0 34.9 0.1 1162.2 4.2 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
30.0 0.0 3839.3 0.0 34.8 0.1 1161.8 4.7 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
39.0 0.0 4991.4 0.0 34.8 0.2 892.3 4.9 100 7 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
21.0 0.0 2687.5 0.0 34.9 0.1 1660.7 5.9 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
24.0 0.0 3072.1 0.0 34.9 0.1 1452.5 5.4 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
83.0 0.0 10622.6 0.0 34.6 0.4 416.5 4.7 100 14 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
17.0 0.0 2175.6 0.0 34.9 0.1 2050.7 8.2 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
119.8 0.0 15336.3 0.0 34.4 0.5 287.4 4.4 100 18 c0t1d0
115.2 0.0 14739.6 0.0 34.4 0.6 298.6 4.9 100 20 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
77.0 0.0 9854.3 0.0 34.6 0.4 449.6 4.6 100 13 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
21.0 0.0 2687.7 0.0 34.9 0.1 1661.7 4.8 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
42.0 0.0 5375.8 0.0 34.7 0.2 827.3 5.7 100 8 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
27.0 0.0 3455.3 0.0 34.8 0.2 1289.3 6.9 100 6 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
13.0 0.0 1663.9 0.0 34.9 0.1 2685.4 6.6 100 3 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
32.0 0.0 4095.2 0.0 34.8 0.1 1089.0 4.5 100 5 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
19.0 0.0 2431.8 0.0 34.9 0.1 1836.0 5.8 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
155.0 0.0 19838.1 0.0 34.2 0.7 220.7 4.8 100 26 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
44.0 0.0 5631.8 0.0 34.8 0.2 790.7 4.4 100 7 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
83.0 0.0 10619.2 0.0 34.5 0.4 415.4 5.3 100 15 c0t1d0
39.0 0.0 4871.5 0.0 13.8 0.2 352.9 4.9 100 7 c0t1d0
0.0 0.0 0.0 0.0 14.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 14.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 14.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 14.0 0.0 0.0 0.0 100 0 c0t1d0
7.0 0.0 896.0 0.0 20.4 0.1 2908.5 8.7 100 3 c0t1d0
0.0 0.0 0.0 0.0 21.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 21.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 21.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 21.0 0.0 0.0 0.0 100 0 c0t1d0
36.0 0.0 4607.9 0.0 33.3 0.2 926.3 5.3 100 7 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
33.0 0.0 4223.6 0.0 34.9 0.1 1056.9 3.4 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
13.0 0.0 1663.8 0.0 34.9 0.1 2687.6 4.6 100 2 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
42.0 0.0 5375.2 0.0 34.8 0.2 828.7 4.3 100 6 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
16.0 0.0 2047.6 0.0 34.9 0.1 2182.8 4.6 100 3 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
14.0 0.0 1791.7 0.0 34.9 0.1 2491.9 8.1 100 4 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
51.0 0.0 6527.8 0.0 34.8 0.2 681.8 4.0 100 7 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
0.0 0.0 0.0 0.0 35.0 0.0 0.0 0.0 100 0 c0t1d0
284.9 0.0 36473.6 0.0 33.1 1.9 116.1 6.6 100 64 c0t1d0
261.0 0.0 33409.0 0.0 15.8 1.6 60.4 6.0 52 53 c0t1d0
so, now sort of a "proof" that this is most likely not a hdd/raid or
device-driver (LSI MegaRaid) issue (?), because when directly reading from the
blockdevice , performance looks quite good (did a reboot before to have clean
caches):
bash-3.2# ptime dd if=/dev/rdsk/c0t1d0p0 of=/dev/null bs=1024k count=512
512+0 Datensätze in
512+0 Datensätze aus
real 5.962893382
user 0.003204880
sys 0.082188668
iostat -zxnd 1 |egrep -v "extended|device"
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
2.0 4.0 64.5 8.0 0.0 0.0 0.0 8.1 0 5 c0t0d0
69.0 2.0 66548.4 0.0 0.0 0.9 0.1 12.5 1 89 c0t1d0
84.0 0.0 86013.3 0.0 0.0 1.0 0.1 11.6 1 97 c0t1d0
93.0 0.0 95240.9 0.0 0.0 1.0 0.1 10.4 1 97 c0t1d0
92.0 0.0 94204.1 0.0 0.0 1.0 0.1 10.5 1 97 c0t1d0
88.0 0.0 90116.8 0.0 0.0 1.0 0.1 11.0 1 97 c0t1d0
87.0 0.0 89079.5 0.0 0.0 1.0 0.1 11.2 1 97 c0t1d0
3.0 0.0 3072.2 0.0 0.0 0.0 0.1 6.3 0 2 c0t1d0
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