Hi, I would upgrade, configure the balancer correctly, then wait a bit for it to smooth things out. Afterwards you can reweight back to 1.0. -- dan On Mon, Mar 16, 2020 at 4:19 PM Thomas Schneider <74cmonty@xxxxxxxxx> wrote: > > Hi Dan, > > indeed I'm trying to balance the PGs. > > In order to ensure Ceph cluster operations I used OSD reweight, means > some specific OSDs are not with reweight 0.8 and 0.9 respectively. > > Question: > Can I upgrade to Ceph 14.2.8 w/o resetting the weight to 1.0? > Or should I cleanup this reweight first, the upgrade to 14.2.8 and > enable balancer as last? > > > Regards > Thomas > > Am 16.03.2020 um 16:10 schrieb Dan van der Ster: > > Hi Thomas, > > I lost track of your issue. Are you just trying to balance the PGs ? > > 14.2.8 has big improvements -- check the release notes / blog post > > about setting the upmap_max_deviations down to 2 or 1. > > -- Dan > > > > On Mon, Mar 16, 2020 at 4:00 PM Thomas Schneider <74cmonty@xxxxxxxxx> wrote: > >> Hi Dan, > >> > >> I have opened this this bug report for balancer not working as expected. > >> https://tracker.ceph.com/issues/43586 > >> > >> Then I thought it could make sense to balance the cluster manually by > >> means of moving PGs from a heavily loaded OSD to another. > >> > >> I found your slides "Luminous: pg upmap (dev) > >> <https://indico.cern.ch/event/669931/contributions/2742401/attachments/1533434/2401109/upmap.pdf>", > >> but I didn't fully understand. > >> > >> Could you please advise how to move PGs manually? > >> > >> Regards > >> Thomas > >> > >> Am 23.01.2020 um 16:05 schrieb Dan van der Ster: > >>> Hi Frank, > >>> > >>> No, it is basically balancing the num_pgs per TB (per osd). > >>> > >>> Cheers, Dan > >>> > >>> > >>> On Thu, Jan 23, 2020 at 3:53 PM Frank R <frankaritchie@xxxxxxxxx > >>> <mailto:frankaritchie@xxxxxxxxx>> wrote: > >>> > >>> Hi all, > >>> > >>> Does using the Upmap balancer require that all OSDs be the same size > >>> (per device class)? > >>> > >>> thx > >>> Frank > >>> _______________________________________________ > >>> ceph-users mailing list -- ceph-users@xxxxxxx > >>> <mailto:ceph-users@xxxxxxx> > >>> To unsubscribe send an email to ceph-users-leave@xxxxxxx > >>> <mailto:ceph-users-leave@xxxxxxx> > >>> > >>> > >>> _______________________________________________ > >>> ceph-users mailing list -- ceph-users@xxxxxxx > >>> To unsubscribe send an email to ceph-users-leave@xxxxxxx > >> > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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