> Le 8 déc. 2025 à 09:36, Robert Sander via ceph-users <[email protected]> a > écrit : > > Hi, > > Am 08.12.25 um 9:32 AM schrieb Nico Schottelius via ceph-users: > >> since migrating to Squid (19.2.3), I get the following health warning: >> [WRN] BLUESTORE_FREE_FRAGMENTATION: 1 OSD(s) >> osd.25 0.806301 >> However while this is a warning, there seems to be no documented way of >> fixing it. >> What do I do with this warning / how to defrag the bluestore filesystem? > > Even the IBM documentation recommends to contact the IBM support in this > case: > https://www.ibm.com/docs/en/storage-ceph/8.1.0?topic=bluestore-fragmentation-tool > > My best bet is to just recreate the OSD.
Before that, what about trying to empty the OSD ( ceph osd reweight XXX 0) and when empty, put it back to business ( ceph osd reweight XXX 1) ? Olivier
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