Currently, this can only be done by hand. Maybe we need some scripts to handle this automatically. I don't know if https://github.com/ceph/ceph/tree/master/src/pybind/mgr/balancer can handle this.
________________________________________ From: Konstantin Shalygin <k0...@k0ste.ru> Sent: Thursday, April 12, 2018 12:00 To: ceph-users@lists.ceph.com Cc: ?? ? Subject: Re: [ceph-users] osds with different disk sizes may killing performance On 04/12/2018 10:58 AM, ?? ? wrote: > Yes, according to crush algorithms, large drives are given high weight, this > is expected. By default, crush gives no consideration of each drive's > performance, which may cause the performance distribution is not balanced. > And the highest io util osd may slow down the whole cluster. You can control 'how much use' drive via adjusting crush weights. k _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com