> I just got an Ultra 20 with the default 80GB internal disk. Right now, > I'm using around 30GB for zfs. I will be getting a new 250GB drive. > > Question: If I create a 30GB slice on the 250GB drive, will that be okay > to use as mirror (or raidz) of the current 30GB that I now have on the > 30GB drive? I ask because if I remember correctly, some volume managers > require(?) that mirrors should use drives with the same geometry.
Yes. The size of a ZFS mirror is the size of its smallest member. However, if you later replace the 30G slice with a shiny new 25G drive, the mirror will automatically grow to make the full 250G available. Jeff _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss