Re: [ceph-users] Is it possible to change the pg number after adding new osds?

2013-09-02 Thread Dzianis Kahanovich
o: dachun...@outlook.com; ceph-users@lists.ceph.com > Subject: RE: [ceph-users] Is it possible to change the pg number after adding > new osds? > Date: Mon, 2 Sep 2013 09:02:15 + > > > > > > > > > > You can change the pg numbers on the fly with &

Re: [ceph-users] Is it possible to change the pg number after adding new osds?

2013-09-02 Thread Sage Weil
On Mon, 2 Sep 2013, Da Chun Ng wrote: > According to the doc, the pg numbers should be enlarged for better > read/write balance if the osd number is increased.But seems the pg number > cannot be changed on the fly. It's fixed when the pool is created. Am I > right? It can be increased with ceph

Re: [ceph-users] Is it possible to change the pg number after adding new osds?

2013-09-02 Thread Da Chun Ng
Only pgp_num is listed in the reference. Though pg_num can be changed in the same way, is there any risk to do that? From: andreas.fu...@swisstxt.ch To: dachun...@outlook.com; ceph-users@lists.ceph.com Subject: RE: [ceph-users] Is it possible to change the pg number after adding new osds

Re: [ceph-users] Is it possible to change the pg number after adding new osds?

2013-09-02 Thread Fuchs, Andreas (SwissTXT)
Da Chun Ng Sent: Montag, 2. September 2013 04:49 To: ceph-users@lists.ceph.com Subject: [ceph-users] Is it possible to change the pg number after adding new osds? According to the doc, the pg numbers should be enlarged for better read/write balance if the osd number is increased. But seems the

[ceph-users] Is it possible to change the pg number after adding new osds?

2013-09-01 Thread Da Chun Ng
According to the doc, the pg numbers should be enlarged for better read/write balance if the osd number is increased.But seems the pg number cannot be changed on the fly. It's fixed when the pool is created. Am I right? __