[CentOS] Software RAID resync

[Jeremy Rosengren]

On Thu, May 7, 2009 at 11:17 PM, Rajagopal Swaminathan <
raju.rajsand at gmail.com> wrote:

> I have configured 2x 500G sata HDD as Software RAID1 with three partitions
> md0,md1 and md2 with md2 as 400+ gigs
>
> Now it is almost 36 hours the status is
>
> cat /proc/mdstat
> Personalities : [raid1]
> md0 : active raid1 hdb1[1] hda1[0]
>      104320 blocks [2/2] [UU]
>        resync=DELAYED
>
> md1 : active raid1 hdb2[1] hda2[0]
>      4096448 blocks [2/2] [UU]
>        resync=DELAYED
>
> md2 : active raid1 hdb3[1] hda3[0]
>      484182912 blocks [2/2] [UU]
>      [==========>..........]  resync = 51.8% (251168768/484182912)
> finish=1975.
> 7min speed=1964K/sec
>
> unused devices: <none>
>
> I have reniced the md2-resync to -10
>
> Q1. Does is take this long?
> Q2. How to speed it up
>

Google:
http://www.google.com/search?hl=en&rlz=1B3GGGL_enUS326US326&q=mdadm+resync+speed&btnG=Search

-- j
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