Here it is: https://github.com/cernceph/ceph-scripts/blob/master/tools/ceph-gentle-reweight On Tue, Apr 17, 2018 at 10:59 AM, Caspar Smit <casparsmit@xxxxxxxxxxx> wrote: > Hi John, > > Thanks for pointing out that script, do you have a link to it? I'm not able > to find it. > Just want to look at the script to understand its strategy. > > Kind regards, > Caspar Smit > > 2018-04-16 13:11 GMT+02:00 John Petrini <jpetrini@xxxxxxxxxxxx>: >> >> There's a gentle reweight python script floating around on the net that >> does this. It gradually reduces the weight of each osd one by one waiting >> for rebalance to complete each time. >> >> I've never used it and it may not work on all versions so I'd make sure to >> test it. >> >> That or do it manually but that's a tedius process. >> >> On Mon, Apr 16, 2018, 06:38 Caspar Smit <casparsmit@xxxxxxxxxxx> wrote: >>> >>> Hi All, >>> >>> What would be the best way to remove an entire OSD node from a cluster? >>> >>> I've ran into problems removing OSD's from that node 1 by 1, eventually >>> the last few OSD's are overloaded with data. >>> >>> Setting the crush weight of all these OSD's to 0 at once seems a bit >>> rigorous >>> Is there also a gentle (balanced) way to slowly move data off that node? >>> >>> Something like: >>> >>> ceph osd crush reweight <all OSD's to remove> 0.8 (all at once?) >>> then to 60%, 40%, 20% and eventually 0 >>> >>> Kind regards, >>> Caspar >>> >>> _______________________________________________ >>> 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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