[ceph-users] Re: PSA: upgrading older clusters without CephFS

Hi Patrick, Thanks a lot for letting us know about this issue! By reading your fix[1] carefully, I understand the heart of this issue is that: Since Jewel, CephFS introduced a new data structure FSMap (for MultiFS), and the monitor has been using this new structure as the Paxos value, but

[ceph-users] Re: BUG #51821 - client is using insecure global_id reclaim

Hi Daniel, I had a similar issue last week after upgrading my test cluster from 14.2.13 to 14.2.22 which included this fix for Global ID reclaim in .20. My issue was a rados gw that I was re-deploying on the latest version. The problem seemed to be related with cephx authentication. It kept

[ceph-users] Re: rbd object mapping

>> There are two types of "object", RBD-image-object and 8MiB-block-object. >> When create a RBD image, a RBD-image-object is created and 12800 >> 8MiB-block-objects >> are allocated. That whole RBD-image-object is mapped to a single PG, which >> is mapped >> to 3 OSDs (replica 3). That means,

[ceph-users] Re: rbd object mapping

> There are two types of "object", RBD-image-object and 8MiB-block-object. > When create a RBD image, a RBD-image-object is created and 12800 > 8MiB-block-objects > are allocated. That whole RBD-image-object is mapped to a single PG, which is > mapped > to 3 OSDs (replica 3). That means, all