Richard Elling wrote:
How hard would it be to write a tool like that? Something along the
lines of:
zpool bench raidz disk1 disk2 ... diskN
Let ZFS figure out the best way to set up your disks for you and tell
you how it should be laid out (and even offer a "just do it" flag that
will let it automatically create the pool depending on how it sees it
best)?
The problem is that there are at least 3 knobs to turn (space, RAS, and
performance) and they all interact with each other.
Good point. then how about something more like
zpool bench raidz favor space disk1 ... diskN
zpool bench raidz favor performance disk1 .. diskN
That is, tell the analyzer which knob you are most interested in.
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