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01-20-2005 12:44 AM
01-20-2005 12:44 AM
DL580G2 Multi-Processing vs Single Processor
Putting a second CPU back, the server is booting without any problem.
First the HP Support Center told me it is unsupported to run only 1 CPU of this type in this server. I wanted to have this statement via mail, HP turned around and told me, the server must be able by running with only 1 CPU.
The Problem is that the server only runs with 1 CPU if smp is disabled. This means no hyperthreading is activated and I got a performance loose of 30%. Bad for the customer.
Does anybody know why 1 CPU in a DL580G2 server is only running when smp is disabled? Or is it possible?
There is nothing available on HP website, where I can find informations about the support of one CPU. The statement of HP is: there is no reglementation in any paper, so it is supported!
thx for answers
andrea
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01-21-2005 11:10 AM
01-21-2005 11:10 AM
Re: DL580G2 Multi-Processing vs Single Processor
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01-21-2005 06:12 PM
01-21-2005 06:12 PM
Re: DL580G2 Multi-Processing vs Single Processor
there is no reason, yes! But it doesn´t function.
Sure, there are newer kernels with smp-fixes, but I have a reglementation for the application for using this.
thx for your reply,
andreas
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01-23-2005 03:24 PM
01-23-2005 03:24 PM
Re: DL580G2 Multi-Processing vs Single Processor
Regards,
Ross
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01-23-2005 11:47 PM
01-23-2005 11:47 PM
Re: DL580G2 Multi-Processing vs Single Processor
we didn´t disable hyperthreading in the RBSU!
We installed another kernel without smp and the server was booting.
So we disabled multiprocessing functionality in the OS not in the bios, but we want to have hyperthreading functionality because of the performance!!!
regards
andreas
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01-27-2005 01:48 AM
01-27-2005 01:48 AM
Re: DL580G2 Multi-Processing vs Single Processor
Solution: Update to a newer kernel version (maybe update of the cciss driver from HP is also required ==> check kernel dependencies on the HP download website)
http://support.novell.com/cgi-bin/search/searchtid.cgi?/en/2003/12/sp3_hp_machines.html
http://h18007.www1.hp.com/support/files/server/us/download/22167.html
==> newest driver for the Smart Array Controller
call closed!
andreas
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01-27-2005 01:51 AM
01-27-2005 01:51 AM
Re: DL580G2 Multi-Processing vs Single Processor
andreas