[OmniOS-discuss] ZFS on iSCSI Target. OmniOS as Initiator

[Dan Swartzendruber]

> If you have the pool on the raw device (i.e. you haven't created any
slices/partitions and instructed zfs to use the whole 'disk'), and the
device suddenly appears to the OS with a larger size, then ZFS will use
all the space available. This also applies to physical drives, where if
you replace all the mirrored drives in a pool or top level vdev with
larger drives, the pool will suddenly be larger.

Mark, you are talking about a scenario where a pool has redundancy.  You
replace a disk with a larger one and it resilvers, using the new size.  He
has (it seems) a single drive in that vdev.  By definition, you can't
replace it without losing all the data, no?