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Add another CPU on RH 7.2

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by noorazman 1 view

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I have a lot of IBM server 325. It works good on linux. For new linux installation with 2 CPU it is simple to do, just add SMP and it detect the 2nd CPU.
My question is; if the machine already installed with RH7.2 with 1 CPU ; what is the patch/RPM do I have to add ??
Is there any harm ?

2 replies

by myrolaos

You're going to have to recompile your existing kernal to support SMP. If the kernel source code is installed on the system you can go to the /usr/src/linux directory or if it's not you're going to have to install the kernal source code from the install cd's.

by richard.lindgren

There might be a precompiled SMP kernel on your installations cd:s. Check the RedHat/RPMS directory on the cd:s.

If you find a SMP kernel then you can install it using
rpm -Uvh /mnt/cdrom/RedHat/RPMS/

If all dependencies are met then you should be fine just rebooting your server.
(make a backup just in case, shouldn't be any problem.)

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