On a system with an Athlon 1700+ and only 512 MB of RAM,
receiving snapshots on OpenSolaris renders the GUI pretty
much useless.
looks like very bad CPU and I/O scheduling on Solaris.
maybe that's their 32-64 hardware threads capable chip is advertised so
much? :)
On FreeBSD ZFS operations can cause delays as well, but it's
significantly better than on OpenSolaris, even though FreeBSD's
ZFS pool lies on a geli-encrypted gmirror while OpenSolaris uses
the disk directly.
there is quite big difference with geli. it is CPU eater and produces
delays noticable on machines that like P3 or less. but at least - it does
something useful unlike these ZFS checksumming and other things.
Note that the system is below Sun's recommended specifications
for ZFS, though. Things may look differently on more powerful
systems.
but comparision probably the same, or difference less noticable on
stronger systems.
You can use geli(8) for checksumming, it can be combined with gmirror
but unless with ZFS, you don't get automatic "self-healing".
whatever it means ;)
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