I can at least say that I have done things such as this numerous times
without any problems. Volume performance does indeed suffer,
especially since you likely need to set the allocation strategy to
fill, in order to make good use of the additional storage. However,
for simply having a large pit to dump data into, it has worked
great. Our main archive volume has gone through several expansions
of random sizes to accommodate more data and is still working fine
after several years of use.
The main trap I have found is that it is easy to get into the mindset
that you can forever expand the volume as need arises. In order to
phase out old hardware it becomes quite a challenge (in terms of
budget, downtime, etc.). The poor performance will make copying the
data off onto new hardware even more annoying, as well.
Cheers,
David
On Jul 20, 2009, at 1:12 PM, Elijah Buck wrote:
I have enough 500GB drives to fill the unoccupied side of the first
xserve raid. I understand I can't use this new LUN to expand the
existing storage pool because the Luns are different sizes. However,
I could create a new storage pool and conisting of this single LUN,
and add that storage pool to the existing volume, correct? I have no
affinities set up and am not particularly concerned about
performance (no video editing).
Developer, MSU Digital Evolution Laboratory
http://programerror.com ...press any key to continue.
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