On 22.06.21 11:55, Thomas Roth wrote: > That would make each system > having to deal with 70 OSDs, on 70 LVs? Yes. And 70 is a rather unusual number of HDDs in a Ceph node. Normally you have something like 20 to 24 block devices in a single node. Each OSD needs CPU and RAM. You could theoretically RAID0 multiple disks and then put an OSD on top of that but this would create very large OSDs which are not good for recovering data. Recovering such a "beast" just would take too long. Regards -- Robert Sander Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin https://www.heinlein-support.de Tel: 030 / 405051-43 Fax: 030 / 405051-19 Amtsgericht Berlin-Charlottenburg - HRB 93818 B Geschäftsführer: Peer Heinlein - Sitz: Berlin
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