Date: Fri, 05 Mar 2010 17:12:24 +0100 From: Mark Huizer <freebsd+jail@dohd.org> To: freebsd-jail@freebsd.org Subject: Re: 32-bit jails on a 64-bit system? Message-ID: <4B912D68.6080506@dohd.org> In-Reply-To: <20100305124010.GM2489@deviant.kiev.zoral.com.ua> References: <alpine.OSX.2.00.1001210142470.815@hotlap.local> <4B581A74.5060000@quip.cz> <4B90F3B2.9010901@dohd.org> <20100305124010.GM2489@deviant.kiev.zoral.com.ua>
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On 3/5/2010 13:40, Kostik Belousov wrote: > On Fri, Mar 05, 2010 at 01:06:10PM +0100, Mark Huizer wrote: > >> On 1/21/2010 10:12, Miroslav Lachman wrote: >> >>> I think it is nothing new to 8.0, it is the same as release note for 7.2. >>> >>> I didn't test it, but I think you can install (copy) i386 jail (or >>> whole system) in to amd64 host and just run it as any other jail. >>> >>> >> Actually, that's what I tried, since I want to move a server to new >> hardware, but with serious time constraints on my side :-( So my plan >> is/was: "rsync the entire machine, build a script that fixes IP >> addresses here and there in the copy, run the jail". >> >> I did have to fix a few little things, stuff like copy a few binaries >> over (netstat, ps, ifconfig, w, top, ldd, ldd32) and of course the ld* >> files in /libexec. Furthermore I moved /usr/lib to /usr/lib32 and copied >> /usr/lib from the amd64 install. >> So far so good, I start jail, I see ssh, apache etc running, I start to >> get happy. >> > My own experience is that just moving 32bit i386 image onto amd64 host > is better now then trying to make a hybrid with 32bit binaries and > both 32 and 64 bit libraries. > > You have to disable all management operations in the startup, of course. > I do not recommend to touch /libexec. You may put statically linked > 64bit ps/top/netstat etc into the jail for convenience. > > Having amd64 bit kernel that can be configured and managed by 32bit > binaries is the long road. On the other hand, user 32bit applications > working very good. > > Well, that is where I started but without success, since ezjail (might be ezjail's problem, who knows) had trouble getting sh to work without amd64 libs present Mark
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