Solaris

Code:

# fstyp /dev/vx/dsk/bootdg/rootvol
ufs

i was under the impression that /dev/vx means it changed to vxfs.

It doesn't necessarily means that. This was already explained one week ago by DukeNuke2: vxvm and vxfs are different things.

You can actually have VXFS as a root file system. We have some that were setup by the previous company at my work. Probably the dumbest thing I've ever seen actually. My co-workers and I all agree it's one of the craziest things we've ever seen. I can't imagine any logical reason for doing that. Keep VXFS for managing your file systems out on the SAN, but not for your OS disks. Use ZFS ideally, and UFS (with Disk Suite for mirroring) if you have to. An ideal setup these days would be to have ZFS for all root and zone file systems.

By adding VXFS to your root disks is only asking for more trouble and problems in the future. You only want standard OS file systems for your root disks. For example, I know of a way where you can boot off of DVD (or jumpstart), and then have to go through all sorts of trouble just to see the root disks, but why put yourself and co-workers through all that.

You also can't use LU (Live Upgrade) with VXFS. LU requires UFS or ZFS file systems, and with ZFS snapshots doing patch clusters in LU is a piece of cake.

Honestly, unless you're doing VCS I don't see any point in even using VXFS since ZFS can do just about everything you could with Veritas.