Hi, i did exactly the same, with Centos 7, 2x OSD server ~ 30 OSDs all in all, 3x mon server, 3x mds server Following sequence: - Update OSD server A & restart ceph.target service - Update OSD server B & restart ceph.target service - Update inactive mon / mds server C & restart ceph.target service - Update inactive mon / mds server B & restart ceph.target service - Update active mon / mds server A & restart ceph.target service Result: No downtime, no issues. -- Mit freundlichen Gruessen / Best regards Oliver Dzombic IP-Interactive mailto:info@xxxxxxxxxxxxxxxxx Anschrift: IP Interactive UG ( haftungsbeschraenkt ) Zum Sonnenberg 1-3 63571 Gelnhausen HRB 93402 beim Amtsgericht Hanau Geschäftsführung: Oliver Dzombic Steuer Nr.: 35 236 3622 1 UST ID: DE274086107 Am 19.01.2017 um 18:40 schrieb Vy Nguyen Tan: > Hello everyone, > > I am planning for upgrade Ceph cluster from 10.2.3 to 10.2.5. I am > wondering can I upgrade Ceph cluster without downtime? And how to > upgrade Ceph from 10.2.3 to 10.2.5 without downtime ? > > Thanks for help. > > Regards, > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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