You can add new OSDs with 0 weight and edit below script to increase the osd weights instead of decreasing. https://github.com/cernceph/ceph-scripts/blob/master/tools/ceph-gentle-reweight On Wed, Apr 18, 2018 at 2:16 PM, nokia ceph <nokiacephusers@xxxxxxxxx> wrote: > Hi All, > > We are having 5 node cluster with EC 4+1 . Each node has 68 HDD . Now we are > trying to add new node with 68 disks to the cluster . > > We tried to add new node and created all OSDs in one go , the cluster > stopped all client traffic and does only backfilling . > > Any procedure to add the new node without affecting the client traffic ? > > If we create OSDs one by one , then there is no issue in client traffic > however time taken to add new node with 68 disks will be several months. > > Please provide your suggestions.. > > Thanks, > Muthu > > > _______________________________________________ > 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