Date: Sat, 3 Nov 2001 05:15:54 -0000 From: "Mark Hughes" <mark@dvdnews.co.uk> To: <freebsd-questions@FreeBSD.ORG> Subject: SMP kernel with 1 processor.... Message-ID: <002d01c16426$b24648d0$0200a8c0@mark2>
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I know it sounds strange, but really it isn't that strange... We're just setting up a web server, we're using a dual-processor server but initially it will only have one processor in it. What we want to do really is to set it up for two processors in a way that won't impact the performance while it is only used with one, so we can add in a second processor quickly and with minimal downtime when (and if) need be. So, is it okay to compile a kernel with the following options uncommented, and will it impact performance at all to do so: # To make an SMP kernel, the next two are needed #options SMP # Symmetric MultiProcessor Kernel #options APIC_IO # Symmetric (APIC) I/O Also, other than these two options, is there anything else that needs to be enabled/disabled to work with SMP? TIA, Mark -- Mark Hughes - DVD & Film Content Manager, Technical Officer Digital Spy Ltd http://www.digitalspy.co.uk/ Your number one source for digital media and entertainment news! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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