On Aug 3, 2010, at 10:08 PM, Khyron wrote:
Long answer: Not without rewriting the previously written data. Data
is being striped over all of the top level VDEVs, or at least it
should
be. But there is no way, at least not built into ZFS, to re-
allocate the
storage to perform I/O balancing. You would basically have to do
this manually.
Either way, I'm guessing this isn't the answer you wanted but hey, you
get what you get.
Actually, that was the answer I was expecting, yes. The real question,
then, is: what data should I rewrite? I want to rewrite data that's
written on the nearly full volumes so they get spread to the volumes
with more space available.
Should I simply do a " zfs send | zfs receive" on all ZFSes I have?
(we are talking about 400 ZFSes with about 7 snapshots each, here)...
Or is there a way to rearrange specifically the data from the nearly
full volumes?
Thanks,
Eduardo Bragatto
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