On 7/22/2010 9:51 PM, Pawel Tyll wrote:
So... the smaller size won't mess things up...
If by smaller size you mean smaller size of existing
drives/partitions, then growing zpools by replacing smaller vdevs
with larger ones is supported and works. What isn't supported is
basically everything else:
- you can't change number of raid columns (add/remove vdevs from raid)
- you can't change number of parity columns (raidz1->2 or 3)
- you can't change vdevs to smaller ones, even if pool's free space
would permit that.
Isn't what I'm doing breaking the last one?
Good news is these features are planned/being worked on.
If you can attach more drives to your system without disconnecting
existing drives, then you can grow your pool pretty much risk-free.
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Dan Langille - http://langille.org/
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