Date: Sat, 3 Nov 2001 01:06:19 -0500 From: "Andrew C. Hornback" <achornback@worldnet.att.net> To: "Mark Hughes" <mark@dvdnews.co.uk>, <freebsd-questions@FreeBSD.ORG> Subject: RE: SMP kernel with 1 processor.... Message-ID: <000801c1642d$a7ee4200$6600000a@columbia> In-Reply-To: <006101c1642b$57af4480$0200a8c0@mark2>
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> -----Original Message----- > From: Mark Hughes [mailto:mark@dvdnews.co.uk] > Sent: Saturday, November 03, 2001 12:49 AM > To: Andrew C. Hornback; freebsd-questions@FreeBSD.ORG > Subject: Re: SMP kernel with 1 processor.... > > > Also, how long is it going to take to install a second > processor and do a > > kernel recompile? You've gotta take the machine fully off-line and > powered > > down to add the second proc (unless you're running hardware that allows > hot > > swap of processors, which would be REALLY cool)... > > indeed it would... if only :-) I've seen machines like that... mega high $$$ from my point of view. > > And even then, you could compile the SMP kernel and leave it sitting on > the > > machine, run it on a single proc kernel, and switch it over once you've > got > > the second processor in. > > this is true, and sounds like a good idea. So, other than those two lines > in the kernel config, is there anything else that one needs to change in > order to enable the use of two processors? Shouldn't be, aside from some possible hardware configuration. I know that some older Compaqs generally have to have some settings tweaked to make FreeBSD's SMP implementation work properly, but it's not rocket science. --- Andy To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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