Date: Fri, 4 Mar 2011 14:11:20 +0000 From: Dr Josef Karthauser <joe@tao.org.uk> To: freebsd-xen@freebsd.org Subject: XEN i386 with PAE and zfs, trouble? Message-ID: <423DA028-1CDB-443F-B3F0-C610D6268484@tao.org.uk> References: <AANLkTinp5-kHGePPtyiruxKVhWcioRrGwMAYe%2BygK76M@mail.gmail.com>
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Hey there, I've been asking these questions to the wrong list! Just found the xen = list, so I'll recap here. I want to run amd64 on xen, at a VPS hosting provider. Due to cost = constraints the sweet spot in the cost/memory ratio has given me a = provider who will only support a "ops_pv" kernel. This means that XENHVM = on amd64 is not available to me. The VPS provider will be giving me at least 6 gb of ram, and I want to = run ZFS on the instance. This leaves me considering running the i386 = kernel and relying on PAE to get access to the extra memory. I presume = that I'll lose about 1.5-2gb of RAM to ZFS tuning, and hope that means = that I'll have 4gb(-ish) available to userland processes. Is this a sensible assumption? Can I rely on this being a stable = configuration, or am I high?! :) Thanks, Joe
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