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.
________________________________ [cid:image0b480d.JPG@7a964f55.48b534e9]<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 | Mobile: 385.224.2943 ________________________________ 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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