Hi Phil, thanks for the background info. Am 17.11.20 um 01:51 schrieb Phil Merricks: > 1: Move off the data and scrap the cluster as it stands currently. > (already under way) > 2: Group the block devices into pools of the same geometry and type (and > maybe do some tiering?) > 3. Spread the OSDs across all 3 nodes so recovery scope isn't so easily > compromised by a loss at the bare metal level > 4. Add more hosts/OSDs if EC is the right solution (this may be outside of > the scope of this implementation, but I'll keep a-cobblin'!) This looks like a plan. > > The additional ceph outputs follow: > ceph osd tree <https://termbin.com/vq63> > ceph osd erasure-code-profile get cephfs-media-ec <https://termbin.com/h33h> Your EC profile will not work on two hosts: crush-device-class= crush-failure-domain=host crush-root=default k=2 m=2 You need k+m=4 independent hosts for the EC parts, but your CRUSH map only shows two hosts. This is why all your PGs are undersized and degraded. Regards -- Robert Sander Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin http://www.heinlein-support.de Tel: 030 / 405051-43 Fax: 030 / 405051-19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin
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