The convenient thing about mounting your filesystems by DUID in fstab(5) is that you can just add drives without having to worry about, say, wd0 becoming wd1 and you having to edit /etc/fstab correspondingly.
That said, it isn't entirely transparent. If wd0 suddenly does turn into wd1 and you are NFS-exporting filesystems off that drive, the clients will complain about a stale NFS handle because the device number is part of the handle. I thought I'd mention it, because somebody is going to be surprised by this. -- Christian "naddy" Weisgerber [email protected]

