larger disk for a zfs pool

Dick Hoogendijk dick at
Mon Aug 1 15:08:42 UTC 2011

Op 1-8-2011 17:06, andrew clarke schreef:
> On Mon 2011-08-01 16:30:50 UTC+0200, Dick Hoogendijk (dick at wrote:
>> OK, my freebsd system runs on ZFS boot. W/ solaris getting larger disks
>> for a pool was quit easy. Simply replace one disk from a mirror for a
>> larger one, wait for the resilvering and after this replace the second
>> one for a larger disk and wait for the resilvering again. That's it.
>> Been there, done that. But my feeling tells me it is not that simple for
>> a FreeBSD zfs root system, or is it?
> By the way, a similar question appeared on the freebsd-fs list recently:
> Although the question was asked with regards to ZFS v28, which may be
> newer than what you are using.
Thanks for the pointer. It's not hopeful plus the fact that I want to 
expand a rootpool from which I want to boot the system.

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