On Wed, Jan 22, 2014 at 3:23 AM, Dmitry Lysenko <tavx@xxxxxxxxxx> wrote: > Good day. > > Some time ago i change pg_num like this http://www.sebastien-han.fr/blog/2013/03/12/ceph-change-pg-number-on-the-fly/: > > ceph osd pool create one-new 500 > rados cppool one one-new Unfortunately, this command is not copying snapshots, which are required for rbd images. Modern RBD also maintains a small amount of extra metadata which I think will be broken by doing this, too. I'm afraid you've permanently removed data which you need. :( For future reference, you should just be incrementing the pg_num like he says when you visit the page now. -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com > ceph osd pool delete one > ceph osd pool rename one-new one > > Before changes: > ceph osd lspools > 0 data,1 metadata,2 rbd,5 one, > > After changes: > 0 data,1 metadata,2 rbd,6 one, > > But after that i got an error: > rbd --pool one ls -l > 2014-01-22 15:03:49.965040 7f022a7cb760 -1 librbd: error looking up name for pool id 5: (2) No such file or directory > 2014-01-22 15:03:49.965100 7f022a7cb760 -1 librbd: error opening parent snapshot: (2) No such file or directory > 2014-01-22 15:03:49.982534 7f022a7cb760 -1 librbd: error looking up name for pool id 5: (2) No such file or directory > 2014-01-22 15:03:49.982557 7f022a7cb760 -1 librbd: error opening parent snapshot: (2) No such file or directory > NAME SIZE PARENT FMT PROT LOCK > one-104 20480M 2 > one-41 11264M 2 > one-86 8192M 2 > one-93 10000M 2 > one-93@130-0 10000M 2 yes > one-95 10000M 2 > one-95@142-0 10000M 2 yes > one-95-150-0 10000M 2 > one-96 10000M 2 > > rbd --pool one cp one-93-130-0 one-93-130+ > 2014-01-22 15:12:41.111368 7fd95d892760 -1 librbd: error looking up name for pool id 5: (2) No such file or directory > 2014-01-22 15:12:41.111404 7fd95d892760 -1 librbd: error opening parent snapshot: (2) No such file or directory > rbd: error opening image one-93-130-0: (2) No such file or directory > > and so on... > > May be snapshots referenced to old pool with id=5? > How to fix this? > > Thank you. > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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