Re: [ceph-users] num of placement groups created for default pools

2013-10-24 Thread Snider, Tim
Thanks for the explanation that makes sense. Tim -Original Message- From: Tyler Brekke [mailto:tyler.bre...@inktank.com] Sent: Thursday, October 24, 2013 6:42 AM To: Snider, Tim Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] num of placement groups created for default pools Hey

Re: [ceph-users] num of placement groups created for default pools

2013-10-24 Thread Tyler Brekke
Hey Tim, If you deployed with ceph-deploy then your monitors started without knowledge of how many OSDs you will be adding to your cluster. You can add 'osd_pool_default_pg_num' and 'osd_pool_default_pgp_num' to you ceph.conf before creating your monitors to have the default pools created with th

[ceph-users] num of placement groups created for default pools

2013-10-23 Thread Snider, Tim
I have a newly created cluster with 68 osds and the default of 2 replicas. The default pools are created with 64 placement groups . The documentation in http://ceph.com/docs/master/rados/operations/pools/ states for osd pool creation : "We recommend approximately 50-100 placement groups per OS