Probably want to see an example:
Here are the contents of /proc/mdstat showing my RAID setup:
~$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4]
[raid10]
md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sda1[0]
976507904 blocks super 1.2 512K chunks 2 near-copies [4/4] []
unused devices:
Here is the output from iostat:
~$ iostat
Linux 3.16.0-30-generic (ubuntu-14-host-1) 07/23/2015 _x86_64_
(8 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
0.700.013.201.340.00 94.75
Device:tpskB_read/skB_wrtn/skB_readkB_wrtn
scd0 0.00 0.00 0.00364 0
sda 34.463547.63639.09 489331206
88150401
sdb 3.0213.67133.56 1884994
18422682
sde 33.643541.25 1168.16488451131
161126847
sdd 33.703547.11 575.37 489259403
79361407
sdc 26.203541.55 3910.41488492828
539369281
sdf17.78 1150.44 0.02 158681884
2936
dm-0 5.4213.65133.56 1882281
18422676
dm-1 5.1913.63133.56 1880521
18422676
dm-2 0.00 0.01 0.00 1076
0
md0 13.2818.22 1213.402513792
167365856
In this case sda,sdc,sdd, and sde are the raid
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You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to sysstat in Ubuntu.
https://bugs.launchpad.net/bugs/1477347
Title:
Output from iostat has the total read and total write columns
backwards in Ubuntu 14.04
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