>>I am not sure about v0.80.6-1 but in v0.80.7 the --allow-experimental-feature >> option is not required. I have increased pg_num and pgp_num in v0.80.7 >>without any issues.
>on how big cluster, how long did it take to recovery from this change? The largest pool was roughly 200TB. It took less than 30 minutes. I took a look at the changelog between the version you're running and the version I performed this change on, as far as I can tell, nothing was changed that made this feature non-experimental. http://ceph.com/docs/master/release-notes/ >>It may be safer to make the change incrementally rather than all at once. >>Since v0.72, ceph does not allow extreme changes in pg_num sizes. >It make sense, thanks. >>Thanks, >>Jacob From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of tombo Sent: Tuesday, March 10, 2015 2:41 PM To: ceph-us...@ceph.com Subject: [ceph-users] increase pg num Hello, I'm running debian 8 with ceph 0.80.6-1 firefly in production and I need to double the count of pgs. I've found that it was experimantal feature, is it safe now? Is there still --allow-experimental-feature switch for ceph osd pool set {pool-name} pg_num {pg_num} command ? Thanks ________________________________________ ---------------------------------------- The information contained in this e-mail message is intended only for the personal and confidential use of the recipient(s) named above. This message may be an attorney-client communication and/or work product and as such is privileged and confidential. If the reader of this message is not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this document in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail, and delete the original message. ---------------------------------------- The information contained in this e-mail message is intended only for the personal and confidential use of the recipient(s) named above. This message may be an attorney-client communication and/or work product and as such is privileged and confidential. If the reader of this message is not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this document in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail, and delete the original message. _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
