Re: [ceph-users] Ceph OSD nodes in XenServer VMs

2015-09-07 Thread Jiri Kanicky
Hi. As we would like to use the CEPH storage with CloudStack/XS we have to use NFS or iSCSI client nodes to provide shared storage. To avoid having several nodes of physical hardware we thought that we could run NFS/iSCSI client node on the same box with Ceph OSD node. Possibly we could even

Re: [ceph-users] Ceph OSD nodes in XenServer VMs

2015-08-20 Thread Christian Balzer
Hello, On Thu, 20 Aug 2015 11:55:55 +1000 Jiri Kanicky wrote: Hi all, We are experimenting with an idea to run OSD nodes in XenServer VMs. We believe this could provide better flexibility, backups for the nodes etc. For example: Xenserver with 4 HDDs dedicated for Ceph. We would

Re: [ceph-users] Ceph OSD nodes in XenServer VMs

2015-08-20 Thread Steven McDonald
Hi Jiri, On Thu, 20 Aug 2015 11:55:55 +1000 Jiri Kanicky j...@ganomi.com wrote: We are experimenting with an idea to run OSD nodes in XenServer VMs. We believe this could provide better flexibility, backups for the nodes etc. Could you expand on this? As written, it seems like a bad idea to

[ceph-users] Ceph OSD nodes in XenServer VMs

2015-08-19 Thread Jiri Kanicky
Hi all, We are experimenting with an idea to run OSD nodes in XenServer VMs. We believe this could provide better flexibility, backups for the nodes etc. For example: Xenserver with 4 HDDs dedicated for Ceph. We would introduce 1 VM (OSD node) with raw/direct access to 4 HDDs or 2 VMs (2 OSD