I'm not sure what the point of running with replication set to 1, but a new 
feature adds ceph commands to turn off scrubbing:

Check ceph --help to see if you have a version that has this.

  ceph osd set <noout|noin|nodown|noup|noscrub|nodeep-scrub>
  ceph osd unset <noout|noin|nodown|noup|noscrub|nodeep-scrub>

You might want to turn off both kinds of scrubbing.

ceph osd set noscrub
ceph osd set nodeep-scrub


David Zafman
Senior Developer
http://www.inktank.com

On Apr 16, 2013, at 12:30 AM, kakito <tientienminh080...@gmail.com> wrote:

> Hi Martin B Nielsen,
> 
> Thank you for your quick answer :)
> 
> I am running with replication set to 1. Because my server used RAID 6, 
> divided into 4 partitons, earch partiton is 1 OSD, format ext4. I have 2 
> server ==> 8 OSD.
> 
> Do you have any advice? ^^
> 
> 
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> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

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