On 21.01.19 09:22, Charles Tassell wrote: > Hello Everyone, > > I've got a 3 node Jewel cluster setup, and I think I'm missing > something. When I want to take one of my nodes down for maintenance > (kernel upgrades or the like) all of my clients (running the kernel > module for the cephfs filesystem) hang for a couple of minutes before > the redundant servers kick in. Have you set the noout flag before doing cluster maintenance? ceph osd set noout and afterwards ceph osd unset noout 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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