I noticed that I have a wrong reconstruction speed when looking at
/proc/mdstat:
# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid10]
md11 : active raid10 sda2[0] sdd2[3] sdc2[2] sdb2[1]
779264640 blocks super 1.0 64K chunks 2 near-copies [4/4] [UUUU]
[===>.................] resync = 16.4% (127955392/779264640)
finish=4.1min speed=2588238K/sec
2588238K/sec is about 100 more to what I used to see before.
Should I start to worry?
I'm using kernel 2.6.16.27 on ARM CPU.
[42949428.580000] md: bind<sdb2>
[42949428.580000] md: bind<sdc2>
[42949428.590000] md: bind<sdd2>
[42949428.590000] md: bind<sda2>
[42949428.590000] md: md11: raid array is not clean -- starting
background reconstruction
[42949428.620000] raid10: raid set md11 active with 4 out of 4 devices
[42949428.630000] md: syncing RAID array md11
[42949428.630000] md: minimum _guaranteed_ reconstruction speed: 1000
KB/sec/disc.
[42949428.640000] md: using maximum available idle IO bandwidth (but not
more than 200000 KB/sec) for reconstruction.
[42949428.650000] md: using 128k window, over a total of 779264640 blocks.
[42949428.650000] md: resuming recovery of md11 from checkpoint.
--
Tomasz Chmielewski
http://wpkg.org
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