Thanks, that did the trick! I think there's some puzzling things that change depending on timing of commands during setup, and at some point I noticed that the script output said "Installing stable release Emperor" or the equivalent, so possibly I have no idea what my own commands are doing. But, for posterity, the following script builds a working dual-OSD cluster for me.
#!/bin/sh set -x sudo stop ceph-all ceph-deploy uninstall usrv1 sudo rm -rf /var/lib/ceph/osd/ceph-*/* ceph-deploy purgedata usrv1 ceph-deploy forgetkeys rm -rf ~/ceph mkdir ~/ceph cd ~/ceph ceph-deploy new usrv1 perl -nli -e 'print unless /^$/ or /omap/' ceph.conf cat >>ceph.conf <<EOF public network = 192.168.251.1/24 osd crush chooseleaf type = 0 osd pool default size = 2 EOF set -e ceph-deploy install usrv1 sudo mkdir /var/lib/ceph/osd/ceph-0 sudo mkdir /var/lib/ceph/osd/ceph-1 sudo mount /var/lib/ceph/osd/ceph-0 sudo mount /var/lib/ceph/osd/ceph-1 ceph-deploy mon create-initial ceph-deploy osd prepare usrv1:/var/lib/ceph/osd/ceph-0 ceph-deploy osd prepare usrv1:/var/lib/ceph/osd/ceph-1 ceph-deploy admin usrv1 sudo chmod +r /etc/ceph/ceph.client.admin.keyring ceph osd crush tunables optimal ceph-deploy osd activate usrv1:/var/lib/ceph/osd/ceph-0 ceph-deploy osd activate usrv1:/var/lib/ceph/osd/ceph-1 ceph -w m. On Mon, Jun 9, 2014 at 10:04 AM, John Wilkins <john.wilk...@inktank.com> wrote: > Miki, > > osd crush chooseleaf type is set to 1 by default, which means that it > looks to peer with placement groups on another node, not the same node. You > would need to set that to 0 for a 1-node cluster. > > John > > > On Sun, Jun 8, 2014 at 10:40 PM, Miki Habryn <dic...@rcpt.to> wrote: > >> I set up a single-node, dual-osd cluster following the Quick Start on >> ceph.com with Firefly packages, adding "osd pool default size = 2". >> All of the pgs came up in active+remapped or active+degraded status. I >> read up on tunables and set them to optimal, to no result, so I added >> a third osd instead. About 39 pgs moved to active status, but the rest >> stayed in active+remapped or active+degraded. When I raised the >> replication level to 3 with "ceph osd pool set ... size 3", all the >> pgs went back to degraded or remapped. Just for kicks, I tried to set >> the replication level to 1, and I still only got 39 pgs active. Is >> there something obvious I'm doing wrong? >> >> m. >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > > > -- > John Wilkins > Senior Technical Writer > Intank > john.wilk...@inktank.com > (415) 425-9599 > http://inktank.com >
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