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.
Thanks
Duncan
--
Duncan A B Mortimer DPhil MChem
Computing Officer, FMRIB Centre, University of Oxford,
John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK.
Tel: (0)1865 222713 Mobile: (0)7748 105057
WWW: http://www.fmrib.ox.ac.uk/~duncan email: email@hidden
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LucOl
ACSA10.4 (Xsan, Deploy, DSIA, SBP)
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