Hi Samual, Not sure if you know but if you don't use the default CRUSH map, you can also use custom location hooks. This can be used to bring your osds into the correct place in the CRUSH map the first time they start. https://docs.ceph.com/en/quincy/rados/operations/crush-map/#custom-location-hooks Cheers, Tom On Wed, 17 May 2023 at 14:40, Thomas Bennett <thomas@xxxxxxxx> wrote: > Hey, > > A question slightly related to this: > > > I would suggest that you add all new hosts and make the OSDs start >> > with a super-low initial weight (0.0001 or so), which means they will >> > be in and up, but not receive any PGs. > > > Is it possible to have the correct weight set and use ceph osd set noin . > > I'll probably test this at some point, but would this maybe have the same > end result without needing to reweight the OSDs? > > From the ceph docs > <https://docs.ceph.com/en/quincy/rados/troubleshooting/troubleshooting-osd/#flapping-osds> > : > > Two other flags are supported, noin and noout, which prevent booting OSDs > from being marked in (allocated data) or protect OSDs from eventually > being marked out (regardless of what the current value for mon osd down > out interval is). > > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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