Re: [ceph-users] NFS vs. CephFS for /var/lib/nova/instances

2013-08-23 Thread Amit Vijairania
Hi Greg, We are using RBD for most of our VM images and volumes. But, if you spin off an instance from a Glance image without specifying a boot volume, Glance caches the image (/var/lib/nova/instances/_base) on Nova node where this instance is scheduled.. You can use a shared file system for Glan

Re: [ceph-users] NFS vs. CephFS for /var/lib/nova/instances

2013-08-22 Thread Gregory Farnum
On Thursday, August 22, 2013, Amit Vijairania wrote: > Hello! > > We, in our environment, need a shared file system for > /var/lib/nova/instances and Glance image cache (_base).. > > Is anyone using CephFS for this purpose? > When folks say CephFS is not production ready, is the primary concern >

[ceph-users] NFS vs. CephFS for /var/lib/nova/instances

2013-08-22 Thread Amit Vijairania
Hello! We, in our environment, need a shared file system for /var/lib/nova/instances and Glance image cache (_base).. Is anyone using CephFS for this purpose? When folks say CephFS is not production ready, is the primary concern stability/data-integrity or performance? Is NFS (with NFS-Ganesha) i