[pve-devel] [PVE-User] Proxmox VE 3.4 released!

[Dietmar Maurer]

> Some questions:
> 1) if I have an HA cluster, does ZFS get me anything?  Or is it really 
> only useful for standalone systems using local storage?

only useful for local storage

> 2) to get root-on-zfs, I assume I must reinstall instead of upgrading?

yes

> 3) since I use CEPH and only have 3 hard disks per server, I assume I 
> cannot use ZRAID{,2} and still have the host be a CEPH OSD?  (i.e. CEPH 
> continues to require dedicated disks?)

For ZRAID2, you need at least 4 disks, plus another SSD for L2ARC ...
And yes, ceph needs decicated disks.