Date: Wed, 20 Feb 2013 14:11:05 -0700 From: Warner Losh <imp@bsdimp.com> To: Brett Wynkoop <wynkoop@wynn.com> Cc: freebsd-arm@freebsd.org Subject: Re: zfs on arm Message-ID: <3B5DE103-7042-4FBE-B883-2856E73BFE6E@bsdimp.com> In-Reply-To: <20130220153519.7626984a@ivory.wynn.com> References: <20130220134556.3499369c@ivory.wynn.com> <20130220202537.705decddfaa2b4a495dc5e1d@sohara.org> <20130220153519.7626984a@ivory.wynn.com>
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On Feb 20, 2013, at 1:35 PM, Brett Wynkoop wrote: > On Wed, 20 Feb 2013 20:25:37 +0000 > "Steve O'Hara-Smith" <steve@sohara.org> wrote: >=20 >> ZFS in 256MB (or 512MB if you have a later model B), isn't >> that pushing things just a little, given that 4GB is considered small >> memory for ZFS. >>=20 >=20 > Greeting- >=20 > There are many cases of x86 boxes running zfs with 512M and 768M of > memory. It takes some tweaking, but it works after the correct > adjustments. =20 >=20 > I think a 512M Pi should be able to do zfs just fine. =20 I've done this on x86 with 640MB, but it requires a lot of hand tuning. = You should be able to build the kernel (most likely the OPENSOLARIS = issue is just moving from options.* to options, mostly), but you'll = encounter resource starvation issues until the tuning is right. :( But = that was in the 7.x timeframe, iirc, and that was so many ZFS revisions = ago... Warner
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