ZFS is herre to stay. You better get used to it. at least you could try
to work with it before you make up an opinion. Have you -any- idea at
all what this FS is capable off?
if you like - quick summary
1) ZFS "turns random writes into sequential writes" as they say. yes
that's true. they just forgot to say that it then turns sequential reads
into random reads. simple for anyone that still can use his/her brain.
2) ZFS RAID-z turns your X drives to single drive performance both on read
and write. every normal RAID-5 implementation will give you random read
speed of X-1 times single drive speed, while slow random write speeds (but
still at least half of single drive). but this is advertised as a feature
3) a CPU,cache and memory bandwidth hogging "feature" of checksumming all
blocks. thing that are already done in disk hardware. fortunately you can
turn this off
4) write anywhere style of writing, just with large buffers it could get
large blocks to be written at once if only large continous space are
found.
quite good (but not that much better than UFS) as long as your drive is
mostly empty.
5) incredibly high memory consumption. very high CPU consumption compared
to UFS.
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