Hi all, Could this also be an issue with 19.2.2? We have seen few of these warnings right after upgrading from 19.2.0. A simple OSD restart removed them, but we haven’t seen them before. There are some users on the Ceph Slack channels discussing this observation in 19.2.2 as well.
Best, Laimis J. > On 2 May 2025, at 13:11, Igor Fedotov <igor.fedo...@croit.io> wrote: > > Hi Everyone, > > well, indeed this warning has been introduced in 18.2.6. > > But I wouldn't say that's not an issue. Having it permanently visible > (particularly for a specific OSD only) might indicate some issues with this > OSD which could negatively impact overall cluster performance. > > OSD log to be checked for potential clues and more research on the root cause > is recommended. > > And once again - likely that's not a regression in 18.2.6 but rather some > additional diagnostics brought by the release which reveals a potential issue. > > > Thanks, > > Igor > > On 02.05.2025 11:19, Frédéric Nass wrote: >> Hi Michel, >> >> This is not an issue. It's a new warning that can be adjusted or muted. >> Check this thread [1] and this part [2] of the Reef documentation about this >> new alert. >> Came to Reef with PR #59466 [3]. >> >> Cheers, >> Frédéric. >> >> [1] >> https://www.google.com/url?q=https://www.spinics.net/lists/ceph-users/msg86131.html&source=gmail-imap&ust=1746785596000000&usg=AOvVaw27M4y8QaoDcRiJBkxDVVoK >> [2] >> https://www.google.com/url?q=https://docs.ceph.com/en/latest/rados/operations/health-checks/%23bluestore-slow-op-alert&source=gmail-imap&ust=1746785596000000&usg=AOvVaw21VoozoT2KT6FESbkkVJ_w >> [3] >> https://www.google.com/url?q=https://github.com/ceph/ceph/pull/59466&source=gmail-imap&ust=1746785596000000&usg=AOvVaw0nnpOvrWFLB1lAk0Ekms1i >> >> ----- Le 2 Mai 25, à 9:44, Michel Jouvin michel.jou...@ijclab.in2p3.fr a >> écrit : >> >>> Hi, >>> >>> Since our upgrade to 18.2.6 2 days ago, our cluster is reporting the >>> warning "1 OSD(s) experiencing slow operations in BlueStore": >>> >>> [root@dig-osd4 bluestore-slow-ops]# ceph health detail >>> HEALTH_WARN 1 OSD(s) experiencing slow operations in BlueStore >>> [WRN] BLUESTORE_SLOW_OP_ALERT: 1 OSD(s) experiencing slow operations in >>> BlueStore >>> osd.247 observed slow operation indications in BlueStore >>> >>> I have never seen this warning before so I've the feeling it is somehow >>> related to the upgrade and it doesn't seem related to the regression >>> mentioned in another thread (that should result in an OSD crash). >>> Googling quickly, I found this reported on 19.2.1 with SSD where in my >>> case it is an HDD. I don't know if the workaround mentioned in the issue >>> (bdev_xxx_discard=true) also applies to 18.2.6... >>> >>> Did somebody saw this in 18.2.x? Any recommandation? Our plan was, >>> according to best practicies described recently in another thread to >>> move from 18.2.2 to 18.2.6 and then from 18.2.6 to 19.2.2... Will 19.2.2 >>> clear this issue (at the risk of others as it is probably not widely used)? >>> >>> Best regards, >>> >>> Michel >>> _______________________________________________ >>> ceph-users mailing list -- ceph-users@ceph.io >>> To unsubscribe send an email to ceph-users-le...@ceph.io >> _______________________________________________ >> ceph-users mailing list -- ceph-users@ceph.io >> To unsubscribe send an email to ceph-users-le...@ceph.io > _______________________________________________ > ceph-users mailing list -- ceph-users@ceph.io > To unsubscribe send an email to ceph-users-le...@ceph.io _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
