1qemu-img info -f rbd rbd:volumes/CW-ICE-Linux1.raw:conf=/etc/ceph/adleast.conf 1qemu-img convert -f vhdx -O raw server.vhdx rbd:volumes/TS11.raw:conf=/etc/ceph/adleast.conf 1qemu-img resize -f rbd "rbd:rbd/myrbd" 600G http://cephnotes.ksperis.com/blog/2013/06/11/ceph-rbd-online-resize

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1ceph -n osd.10 --show-config --cluster=adleast Something like this might be useful 1ceph -n osd.10 --show-config --cluster=adleast | grep backfillđ See here for an awesome cheatsheet

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Don't just copy the /var/lib/ceph directory because you cant be sure of the state of the database files. Original article 1service ceph stop mon 2tar czf /var/backups/ceph-mon-backup_$(date +'%a').tar.gz /var/lib/ceph/mon 3service ceph start mon

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1cinder::controller::settings:2DEFAULT:3rpc_backend:"rabbit"4my_ip:"%{::ipaddress_eth0}"5verbose:"True"6debug:"False"7auth_strategy:"keystone"8enabled_backends:"ceph_sas,ceph_sata"9glance_host:"%{hiera('glance::virtualIP')}"10volume_driver:"cinder.volu …

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After a reboot of my Ceph test VM's a few OSD's didnt come online. When running ceph osd tree I saw: 1[root@lib-cephosd1 ~]# ceph osd tree 2ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY 3 -1 0.29984 root default 4 -2 0.09995 host lib-cephosd1 5 1 0.00999 osd.1 up 1.00000 1.00000 6 0 0.00999 osd.0 up 1.00000 …

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