On Fri, Apr 21 2006 email@hidden wrote:
>
> On 21 avr. 06, at 19:24, Duncan Mortimer wrote:
>
> >Hi,
> >
> >We have a Xsan volume consisting of 1 LUN made up of 3x400GB drives
> >in a RAID 5 configuration - ie a notional 800GB LUN. We would like
> >to add some additional space to this volume, and have installed 7
> >additional 500GB drives on the second controller of the Xserve-
> >RAID. To add this discs I believe we need to slice this second RAID
> >set into 3 833GB LUNs.
> >If I do this will these new LUNs be addable to the existing Xsan
> >volume? The documentation emphasises that the LUNs must be the same
> >size, but I'm sure at some Apple briefing I attended they mentioned
> >that LUNs greater that the original LUN size just lose the
> >additional space.
> >
> >Has anyone tried this?
>
> Yes I do, like LVM, you lose all over less given LUN.
>
Sticking my hand up *very* coyly, can you not just add an additional
storage pool containing the new LUN and have the new LUN made
available to the volume in its entirety?
I am very much a Xsan newbie, but this is the impression I got from
the manual.
Cheers!
--
bryan
email@hidden
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