Hi, Am 05.05.21 um 13:39 schrieb Joachim Kraftmayer: > the crush rule with ID 1 distributes your EC chunks over the osds > without considering the ceph host. As Robert already suspected. Yes, the "nxtcloudAF" rule is not fault tolerant enough. Having the OSD as failure zone will lead to data loss or at least intermediate unavailability. The situation is now that all copies (resp. EC chunks) for a PG are stored on OSDs of the same host. These PGs will be unavailable if the host is down. Regards -- Robert Sander Heinlein Consulting 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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