You can modify ceph.conf and add line below for newly added osd weight of 0 [osd] osd_crush_initial_weight = 0 Also you can read this thread: http://lists.ceph.com/pipermail/ceph-users-ceph.com/2016-February/007591.html On Wed, Apr 18, 2018 at 3:01 PM, nokia ceph <nokiacephusers@xxxxxxxxx> wrote: > Hi , > > Thank you for the quick response .. We will try to adapt the script to > increase the osd weight. > How to create osd with weight 0 using ceph-volume tool? Or we have to create > OSD and later modify the OSD weight to 0. > > Thanks, > Muthu > > > > On Wed, Apr 18, 2018 at 5:02 PM, Serkan Çoban <cobanserkan@xxxxxxxxx> wrote: >> >> 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
 |