Re: [ceph-users] OSD on LVM volume

2015-02-24 Thread Sebastien Han
A while ago, I managed to have this working but this was really tricky. See my comment here: https://github.com/ceph/ceph-ansible/issues/9#issuecomment-37127128 One use case I had was a system with 2 SSD for the OS and a couple of OSDs. Both SSD were in RAID1 and the system was configured with

Re: [ceph-users] OSD on LVM volume

2015-02-24 Thread John Spray
On 24/02/2015 12:49, Joerg Henne wrote: This seems to work, however, the disks are not listed by 'ceph-disk list'. Right. ceph-disk uses GPID partition labels to identify the disks. Is there a recommended way of running an OSD on top of a LVM volume? What are the pros and cons of the