On Tue, Aug 27, 2024 at 6:49 AM Eugen Block <eblock@xxxxxx> wrote: > > Hi, > > I just looked into one customer cluster that we upgraded some time ago > from Octopus to Quincy (17.2.6) and I'm wondering why there are still > both pools, "device_health_metrics" and ".mgr". > > According to the docs [0], it's supposed to be renamed: > > > Prior to Quincy, the devicehealth module created a > > device_health_metrics pool to store device SMART statistics. With > > Quincy, this pool is automatically renamed to be the common manager > > module pool. > > Now only .mgr has data while device_health_metrics is empty, but it > has a newer ID: > > ses01:~ # ceph df | grep -E "device_health|.mgr" > .mgr 1 1 68 MiB 18 204 MiB > 0 254 TiB > device_health_metrics 15 1 0 B 0 0 B > 0 254 TiB > > On a test cluster (meanwhile upgraded to latest Reef) I see the same: > > ceph01:~ # ceph df | grep -E "device_health_metrics|.mgr" > .mgr 38 1 577 KiB 2 1.7 MiB 0 > 71 GiB > device_health_metrics 45 1 0 B 0 0 B 0 > 71 GiB > > Since there are still many users who haven't upgraded to >= Quincy > yet, this should be clarified/fixed. I briefly checked > tracker.ceph.com, but didn't find anything related to this. I'm > currently trying to reproduce it on a one-node test cluster which I > upgraded from Pacific to Quincy, but no results yet, only that the > renaming was successful. But for the other clusters I don't have > enough logs to find out how/why the device_health_metrics pool had > been recreated. Probably someone ran a pre-Quincy ceph-mgr on the cluster after the upgrade? That would explain the larger pool id. -- Patrick Donnelly, Ph.D. He / Him / His Red Hat Partner Engineer IBM, Inc. GPG: 19F28A586F808C2402351B93C3301A3E258DD79D _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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