https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118288#M3071 It will depend on the process - if this process is not able to run on more than 1 CPU it will only run on 1 CPU. Thu, 20 Dec 2007 06:53:52 GMT Torsten. 2007-12-20T06:53:52Z https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118287#M3070 Hi!<BR /><BR />I have a HP Integrity Server RX8640 with 16 CPU's and 16GB of RAM. When I run a process and review the CPU's behavior only one of the CPU's is working and the others CPU's are not working. <BR /><BR />Somebody knows what can I do to all the CPU's works for the process?<BR /><BR />Regards! Tue, 18 Dec 2007 15:59:11 GMT https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118287#M3070 Daniel A 2007-12-18T15:59:11Z https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118288#M3071 It will depend on the process - if this process is not able to run on more than 1 CPU it will only run on 1 CPU. Thu, 20 Dec 2007 06:53:52 GMT https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118288#M3071 Torsten. 2007-12-20T06:53:52Z https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118289#M3072 What Torsten is saying is that you will have to reprogram your application to use threads.<BR /><BR />Or run something else useful on the other CPUs. Thu, 20 Dec 2007 07:33:45 GMT https://community.hpe.com/t5/integrity-servers/torbleshooting-only-one-cpu-works/m-p/4118289#M3072 Dennis Handly 2007-12-20T07:33:45Z