Storage Comparison in OVM 3
Storage\Feature |
File System |
Share |
High Availability |
Physical Disk for VM |
Thin Clone |
I/O |
Data protection |
Local |
OCFS2(local) |
No |
No |
Yes(Separate local disk) |
Yes |
Fast |
None |
NFS |
NFSv3 |
Yes |
Yes |
No |
No |
Medium over 1GbE |
Storage snapshot |
iSCSI |
OCFS2(cluster) |
Yes |
Yes |
Yes |
Yes |
Medium over 1GbE |
Storage snapshot |
FC |
OCFS2(cluster) |
Yes |
Yes |
Yes |
Yes |
Very Fast |
Storage snapshot |