Date: Sun, 06 Jan 2008 18:28:30 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-current@freebsd.org Subject: Re: When will ZFS become stable? Message-ID: <flr340$mum$1@ger.gmane.org> In-Reply-To: <20080106170452.L105@fledge.watson.org> References: <fll63b$j1c$1@ger.gmane.org> <20080106141157.I105@fledge.watson.org> <flr0np$euj$2@ger.gmane.org> <20080106170452.L105@fledge.watson.org>
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[-- Attachment #1 --] 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". The reason why I'm arguing this topic is that it isn't a matter of tuning like "it will run slowly if you don't tune it" - it's more like "it won't run at all if you don't go through the laborious trial-and-error process of tuning it, including patching your kernel and running a non-GENERIC configuration". [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHgQ+/ldnAQVacBcgRAtnAAKCtMumii9wevIzasHr8NZ6x5aGQ2ACcDmBf Nqzn2r1T/d1ngFr8i4tyZHU= =PAma -----END PGP SIGNATURE-----
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