Date: Sat, 30 Aug 2008 16:43:05 +0000 (UTC) From: Stef <stef-list@memberwebs.com> To: Barry Boes <barry.boes@acciodata.com> Cc: freebsd-hackers@freebsd.org Subject: Re: kvm on amd64 - >6G? Message-ID: <20080830164305.0658229C1BBA@mx.npubs.com> References: <18612.51201.285688.628405@gargle.gargle.HOWL> <48B52AEE.9080205@FreeBSD.org> <18613.21419.16360.120533@gargle.gargle.HOWL>
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Barry Boes wrote: > I could apply such a patch to my servers, but there are two disadvantages : > o who wants to apply kernel patches to mission critical servers? Isn't > that a linux thing (joke!) Unfortunately it's not. There's a whole raft of patches (with PR's filed) that are required when you're using certain configurations of FreeBSD. In particular my 6.3 production servers require: * A bunch of patches to ataraid to prevent panics, make the raid work during failures etc... Many can be found here: http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting * Patch to the 4BSD scheduler to prevent regular deadlocks on all quad core systems I have access to: http://www.mail-archive.com/freebsd-hackers@freebsd.org/msg64390.html * Patch for fixing devfs to have proper behavior with symlinks in jails: http://www.freebsd.org/cgi/query-pr.cgi?pr=114057 And there are one or two other patches on some deployed systems (eg: 'multi ip jail patches'). I used to be in the no-patches-on-my-production-servers camp, but I've found that it was unrealistic and resulted in less stable systems. Cheers, Stef Walter
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