I know this is going to sound a little vague but...
A coworker said he read somewhere that ZFS is more efficient if you
configure pools from entire disks instead of just slices of disks. I'm
curious if there is any merit to this?
The use case that we had been discussing was something to the effect of
building a 2 disk system, install the OS on slice 0 of disk 0 and make
the rest of the disk available for 1/2 of a zfs mirror. Then disk 1
would probably be partitioned the same, but the only thing active would
be the other 1/2 of a zfs mirror.
Now clearly there is a contention issue between the OS and the data
partition, which would be there if SVM mirrors were used instead. But
besides this, is zfs any less efficient with just using a portion of a
disk versus the entire disk?
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