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 <[email protected]>: > 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 <[email protected]> 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 >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >
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