I was talking with some customers today and came up with several
questions that I don't know the answers to. I'll post these as separate
threads so as not to muddy things up too much.
It seems like ZFS has a lot more knowledge of what is going on all the
way down to the disk level than other FS. That gives a great
opportunity to have some sort of QoS or bandwidth management. Is there
a plan for this underway? The idea we came up with was that particular
fs within a pool would have essentially shares (like in FSS) of the
bandwidth to the disks in the pool promised to them. This customer has
a lot of big batch jobs running on their system. They would like to
promise that the largest one, which writes very infrequently but needs a
*lot* of bandwidth when it does, gets a big share of the total when it
needs it.
Does this make sense?
--SCott
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