Red Hat defines physical CPUs equivalently to sockets, so a multi-core and/or hyperthreading CPU is counted as a single socket when determining which subscription to purchase <http://www.redhat.com/rhel/compare/> Check the bottom of the page. Quoting "Wilson, Craig" <wilson.craig@xxxxxx>: > Hi Guys, > > On CPU's, does Red Hat count duel core as 1 CPU or 2 and what about > Quad's? > > Cheers > > Craig. > > -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Young, Mike > Sent: Wednesday, April 11, 2007 6:53 AM > To: General Red Hat Linux discussion list > Subject: RE: Restricting number of CPUs > > Excellent! I thought there was something like that. I'll try that > first, then get physical if it doesn't work. > > Thanks, > Mike. > > -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Barry Brimer > Sent: Tuesday, April 10, 2007 3:47 PM > To: General Red Hat Linux discussion list > Subject: Re: Restricting number of CPUs > > Quoting "Young, Mike" <Mike.Young@xxxxxxxxxxxxxx>: > > > Hello, > > > > We have 4 CPUs installed in a server, but would like to limit it to > only 2, > > since an application is priced per CPU. Rather than taking the CPUs > out of > > the box physically, is there a way to lower the CPU count - maybe in > > /etc/sysctl.conf? > > To limit the entire system to a certain number of CPUs, add "maxcpus=X" > to your > kernel line in your grub.conf (without the quotes) and replace "X" with > the > number of CPUs you want the kernel to see. > > <http://kbase.redhat.com/faq/FAQ_80_602.shtm> > > To limit an application to a certain number of CPUs, use the taskset > program > included in RHEL. > > <http://kbase.redhat.com/faq/FAQ_43_3918.shtm> > > HTH, > Barry > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > !DSPAM:461c08fd118762110635836! > > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
