Looks good. You can start several OSDs at a time as long as you have enough CPU and you're not saturating your drives or controllers. Jan > On 13 Jul 2016, at 15:09, Wido den Hollander <wido@xxxxxxxx> wrote: > > >> Op 13 juli 2016 om 14:47 schreef Kees Meijs <kees@xxxxxxxx>: >> >> >> Thanks! >> >> So to sum up, I'd best: >> >> * set the noout flag >> * stop the OSDs one by one >> * shut down the physical node >> * jank the OSD drives to prevent ceph-disk(8) from automaticly >> activating at boot time >> * do my maintainance >> * start the physical node >> * reseat and activate the OSD drives one by one >> * unset the noout flag >> > > That should do it indeed. Take your time between the OSDs and that should limit the 'downtime' for clients. > > Wido > >> On 13-07-16 14:39, Jan Schermer wrote: >>> If you stop the OSDs cleanly then that should cause no disruption to clients. >>> Starting the OSD back up is another story, expect slow request for a while there and unless you have lots of very fast CPUs on the OSD node, start them one-by-one and not all at once. >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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