When will ZFS become stable?
kris at FreeBSD.org
Sun Jan 6 09:43:27 PST 2008
Ivan Voras wrote:
> Robert Watson wrote:
>> On Sun, 6 Jan 2008, Ivan Voras wrote:
>>> Last I heard, rsync didn't crash Solaris on ZFS :)
>> My admittedly second-hand understanding is that ZFS shows similarly
>> gratuitous memory use on both Mac OS X and Solaris. One advantage
>> Solaris has is that it runs primarily on expensive 64-bit servers with
>> lots of memory. Part of the problem on FreeBSD is that people run ZFS
>> on sytems with 32-bit CPUs and a lot less memory. It could be that
>> ZFS should be enforcing higher minimum hardware requirements to mount
>> (i.e., refusing to run on systems with 32-bit address spaces or <4gb
>> of memory and inadequate tuning).
> Solaris nowadays refuses to install on anything without at least 1 GB of
> memory. I'm all for ZFS refusing to run on inadequatly tuned hardware,
> but apparently there's no algorithmic way to say what *is* adequately
> tuned, except for "try X and if it crashes, try Y, repeat as necessary".
What you appear to be still missing is that ZFS also causes memory
exhaustion panics when run on 32-bit Solaris. In fact (unless they have
since fixed it), the opensolaris ZFS code makes *absolutely no attempt*
to accomodate i386 memory limitations at all.
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