Sure, will try with "*ceph osd crush reweight 0.0" *and update the status.
Thanks Swami On Fri, Dec 2, 2016 at 8:15 PM, David Turner <david.tur...@storagecraft.com> wrote: > If you want to reweight only once when you have a failed disk that is > being balanced off of, set the crush weight for that osd to 0.0. Then when > you fully remove the disk from the cluster it will not do any additional > backfilling. Any change to the crush map will likely move data around, > even if you're removing an already "removed" osd. > > ------------------------------ > > <https://storagecraft.com> David Turner | Cloud Operations Engineer | > StorageCraft > Technology Corporation <https://storagecraft.com> > 380 Data Drive Suite 300 | Draper | Utah | 84020 > Office: 801.871.2760 <(801)%20871-2760> | Mobile: 385.224.2943 > <(385)%20224-2943> > > ------------------------------ > > If you are not the intended recipient of this message or received it > erroneously, please notify the sender and delete it, together with any > attachments, and be advised that any dissemination or copying of this > message is prohibited. > > ------------------------------ > > ------------------------------ > *From:* M Ranga Swami Reddy [swamire...@gmail.com] > *Sent:* Thursday, December 01, 2016 11:45 PM > *To:* David Turner > *Cc:* ceph-users > *Subject:* Re: [ceph-users] node and its OSDs down... > > Hi David - Yep, I did the "ceph osd crush remove osd.<id>", which started > the recovery. > My worries is - why Ceph is doing the recovery, if an OSD is already down > and no more in the cluster. That means, ceph already maintained down OSDs > objects copied to another OSDs.. here is the ceph osd tree o/p: > === > > 227 0.91 osd.227 down 0 > > .... > > 250 0.91 osd.250 down 0 > > === > > > So to avoid the recovery/rebalance , can I set the weight of OSD (which > was in down state). But is this weight setting also lead to rebalance > activity. > > > Thanks > > Swami > > > > On Thu, Dec 1, 2016 at 8:07 PM, David Turner < > david.tur...@storagecraft.com> wrote: > >> I assume you also did ceph osd crush remove osd.<id>. When you removed >> the osd that was down/out and balanced off of, you changed the weight of >> the host that it was on which triggers additional backfilling to balance >> the crush map. >> >> ------------------------------ >> >> <https://storagecraft.com> David Turner | Cloud Operations Engineer | >> StorageCraft >> Technology Corporation <https://storagecraft.com> >> 380 Data Drive Suite 300 | Draper | Utah | 84020 >> Office: 801.871.2760 <(801)%20871-2760> | Mobile: 385.224.2943 >> <(385)%20224-2943> >> >> ------------------------------ >> >> If you are not the intended recipient of this message or received it >> erroneously, please notify the sender and delete it, together with any >> attachments, and be advised that any dissemination or copying of this >> message is prohibited. >> >> ------------------------------ >> >> ------------------------------ >> *From:* ceph-users [ceph-users-boun...@lists.ceph.com] on behalf of M >> Ranga Swami Reddy [swamire...@gmail.com] >> *Sent:* Thursday, December 01, 2016 3:03 AM >> *To:* ceph-users >> *Subject:* [ceph-users] node and its OSDs down... >> >> Hello, >> One of my ceph node with 20 OSDs down...After a couple of hours, >> ceph health is in OK state. >> >> Now, I tried to remove those OSDs, which were down state from >> ceph cluster... >> using the "ceh osd remove osd.<id>" >> then ceph clsuter started rebalancing...which is strange ..because >> thsoe OSDs are down for a long time and health also OK.. >> my question - why recovery or reblance started when I remove the OSD >> (which was down). >> >> Thanks >> Swami >> >> >
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