On Fri, Jul 23, 2010 at 11:59 AM, Richard Elling <rich...@nexenta.com> wrote:
> On Jul 23, 2010, at 2:31 AM, Giovanni Tirloni wrote:
>
>> Hello,
>>
>> We've seen some resilvers on idle servers that are taking ages. Is it
>> possible to speed up resilver operations somehow?
>>
>> Eg. iostat shows <5MB/s writes on the replaced disks.
>
> This is lower than I expect, but It may be IOPS bound. What does
> iostat say about the IOPS and asvc_t ?
> -- richard
It seems to have improved a bit.
scrub: resilver in progress for 7h19m, 75.37% done, 2h23m to go
config:
NAME STATE READ WRITE CKSUM
storage DEGRADED 0 1 0
mirror DEGRADED 0 0 0
c3t2d0 ONLINE 0 0 0
replacing DEGRADED 1.29M 0 0
c3t3d0s0/o FAULTED 0 0 0 corrupted data
c3t3d0 DEGRADED 0 0 1.29M too many errors
mirror ONLINE 0 0 0
c3t4d0 ONLINE 0 0 0
c3t5d0 ONLINE 0 0 0
mirror DEGRADED 0 0 0
c3t6d0 ONLINE 0 0 0
c3t7d0 REMOVED 0 0 0
mirror ONLINE 0 0 0
c3t8d0 ONLINE 0 0 0
c3t9d0 ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t10d0 ONLINE 0 0 0
c3t11d0 ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t12d0 ONLINE 0 0 0
c3t13d0 ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t14d0 ONLINE 0 0 0
c3t15d0 ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t16d0 ONLINE 0 0 0
c3t17d0 ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t18d0 ONLINE 0 0 0
c3t19d0 ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t20d0 ONLINE 0 0 0
c3t21d0 ONLINE 0 0 0
logs DEGRADED 0 1 0
mirror ONLINE 0 0 0
c3t1d0 ONLINE 0 0 0
c3t22d0 ONLINE 0 0 0
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
582.2 864.3 68925.2 37511.2 0.0 52.7 0.0 36.4 0 610 c3
0.0 201.7 0.0 806.7 0.0 0.0 0.0 0.1 0 2 c3t0d0
0.0 268.2 0.0 10531.2 0.0 0.1 0.0 0.4 0 10 c3t1d0
144.1 0.0 18375.9 0.0 0.0 9.5 0.0 65.7 0 100 c3t2d0
79.5 125.2 10109.9 15634.3 0.0 35.0 0.0 171.0 0 100 c3t3d0
10.9 0.0 1181.3 0.0 0.0 0.1 0.0 13.3 0 10 c3t4d0
19.9 0.0 2120.6 0.0 0.0 0.3 0.0 15.6 0 19 c3t5d0
35.8 0.0 3819.5 0.0 0.0 0.6 0.0 18.1 0 28 c3t6d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c3t7d0
22.9 0.0 2506.6 0.0 0.0 0.5 0.0 22.0 0 22 c3t8d0
15.9 0.0 1639.8 0.0 0.0 0.3 0.0 20.5 0 15 c3t9d0
23.8 0.0 2889.6 0.0 0.0 0.5 0.0 19.8 0 27 c3t10d0
21.9 0.0 2558.3 0.0 0.0 0.6 0.0 28.9 0 19 c3t11d0
32.8 0.0 3151.9 0.0 0.0 1.2 0.0 37.4 0 25 c3t12d0
25.8 0.0 2707.8 0.0 0.0 0.5 0.0 18.8 0 26 c3t13d0
19.9 0.0 2281.1 0.0 0.0 0.3 0.0 17.5 0 24 c3t14d0
23.8 0.0 2782.3 0.0 0.0 0.3 0.0 14.6 0 20 c3t15d0
18.9 0.0 2249.8 0.0 0.0 0.4 0.0 19.7 0 23 c3t16d0
21.9 0.0 2519.5 0.0 0.0 0.5 0.0 22.6 0 27 c3t17d0
12.9 0.0 1653.2 0.0 0.0 0.2 0.0 16.8 0 18 c3t18d0
26.8 0.0 3262.7 0.0 0.0 0.8 0.0 28.4 0 29 c3t19d0
9.9 0.0 1271.7 0.0 0.0 0.1 0.0 14.3 0 13 c3t20d0
14.9 0.0 1843.9 0.0 0.0 0.3 0.0 20.5 0 19 c3t21d0
0.0 269.2 0.0 10539.0 0.0 0.4 0.0 1.3 0 33 c3t22d0
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
405.1 745.2 51057.2 29893.8 0.0 53.3 0.0 46.4 0 457 c3
0.0 252.1 0.0 1008.3 0.0 0.0 0.0 0.1 0 2 c3t0d0
0.0 177.1 0.0 5485.8 0.0 0.0 0.0 0.3 0 4 c3t1d0
145.0 0.0 18438.0 0.0 0.0 15.1 0.0 104.0 0 100 c3t2d0
80.0 140.0 10147.8 17925.9 0.0 35.0 0.0 159.0 0 100 c3t3d0
8.0 0.0 1024.3 0.0 0.0 0.2 0.0 19.9 0 12 c3t4d0
7.0 0.0 768.3 0.0 0.0 0.1 0.0 15.5 0 11 c3t5d0
24.0 0.0 3009.0 0.0 0.0 0.5 0.0 19.0 0 25 c3t6d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c3t7d0
4.0 0.0 512.2 0.0 0.0 0.1 0.0 13.6 0 4 c3t8d0
7.0 0.0 896.3 0.0 0.0 0.1 0.0 11.8 0 8 c3t9d0
12.0 0.0 1536.5 0.0 0.0 0.2 0.0 15.7 0 16 c3t10d0
11.0 0.0 1408.5 0.0 0.0 0.2 0.0 20.3 0 15 c3t11d0
14.0 0.0 1728.6 0.0 0.0 0.2 0.0 17.5 0 16 c3t12d0
9.0 0.0 1152.4 0.0 0.0 0.1 0.0 11.3 0 10 c3t13d0
14.0 0.0 1792.6 0.0 0.0 0.2 0.0 17.4 0 20 c3t14d0
9.0 0.0 1152.4 0.0 0.0 0.1 0.0 12.8 0 12 c3t15d0
9.0 0.0 1088.4 0.0 0.0 0.1 0.0 12.0 0 11 c3t16d0
6.0 0.0 768.3 0.0 0.0 0.1 0.0 11.6 0 6 c3t17d0
11.0 0.0 1280.4 0.0 0.0 0.2 0.0 15.9 0 17 c3t18d0
12.0 0.0 1472.5 0.0 0.0 0.2 0.0 16.7 0 16 c3t19d0
6.0 0.0 768.3 0.0 0.0 0.1 0.0 17.9 0 9 c3t20d0
17.0 0.0 2112.7 0.0 0.0 0.3 0.0 18.1 0 21 c3t21d0
0.0 176.1 0.0 5473.8 0.0 0.2 0.0 1.3 0 22 c3t22d0
--
Giovanni Tirloni
gtirl...@sysdroid.com
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