Re: Chown in Parallel

[Jan Schermer <jan@xxxxxxxxxxx>]

I would just disable barriers and enable them afterwards(+sync), should be a breeze then.

Jan

On 10 Nov 2015, at 12:58, Nick Fisk <nick@xxxxxxxxxx> wrote:

I’m currently upgrading to Infernalis and the chown stage is taking a log time on my OSD nodes. I’ve come up with this little one liner to run the chown’s in parallel

 

find /var/lib/ceph/osd -maxdepth 1 -mindepth 1 -print | xargs -P12 -n1 chown -R ceph:ceph

 

NOTE: You still need to make sure the other directory’s in the /var/lib/ceph folder are updated separately but this should speed up the process for machines with larger number of disks.

 

Nick

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