Today at 1:16pm, Jim Klimov wrote:
On 2013-11-20 12:48, Frank Swasey wrote:
One of my co-workers suggested that since this pool is made up of 4
11-disk RAIDZ2's and we are using less than half the entire pool size -
that perhaps we can shrink the pool and create a new pool to move the
data to, then add the other half into the new pool. I'm starting to do
more reading, but while it sounds like a good idea, I'm not sure how or
if it would be possible.
Unfortunately, no - ZFS does not currently support reduction of
redundancy nor reduction of pool size - pools can only grow.
Thank you. That confirms what I was suspecting.
At most, you might be able to "catastrophically" remove one of
the parity disks from each set - giving you 4 available disks
to make a new pool (and later grow it), but likely you should
not do that (puts your main pool at risk, and will be too small
anyway).
Yeah... Don't want to go there. So, time to search for a 70TB fix ;)
Thanks everyone.
--
Frank Swasey | http://www.uvm.edu/~fcs
Sr Systems Administrator | Always remember: You are UNIQUE,
University of Vermont | just like everyone else.
"I am not young enough to know everything." - Oscar Wilde (1854-1900)
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