Re: Debian CPU limitation?

2017-03-25 Thread Ray Mansell
Thank you... Ray On 3/25/2017 13:52, Philipp Kern wrote: On 03/22/2017 01:06 PM, Christian Borntraeger wrote: On 03/22/2017 12:51 PM, Ray Mansell wrote: Thank you all for the information. It would appear we are stuck with 32 CPUs for the moment and, since I'm retiring at the end of next

Re: Debian CPU limitation?

2017-03-25 Thread Philipp Kern
On 03/22/2017 01:06 PM, Christian Borntraeger wrote: > On 03/22/2017 12:51 PM, Ray Mansell wrote: >> Thank you all for the information. It would appear we are stuck with 32 >> CPUs for the moment and, since I'm retiring at the end of next week, I >> guess my replacement will have to decide how to

Re: Debian CPU limitation?

2017-03-22 Thread Christian Borntraeger
On 03/22/2017 12:51 PM, Ray Mansell wrote: > Thank you all for the information. It would appear we are stuck with 32 > CPUs for the moment and, since I'm retiring at the end of next week, I > guess my replacement will have to decide how to proceed :-) > > Thanks again, > Ray As a last duty, can

Re: Debian CPU limitation?

2017-03-22 Thread Ray Mansell
Thank you all for the information. It would appear we are stuck with 32 CPUs for the moment and, since I'm retiring at the end of next week, I guess my replacement will have to decide how to proceed :-) Thanks again, Ray On 3/21/2017 18:46, Mark Post wrote: On 3/21/2017 at 06:32 PM, Ray

Re: Debian CPU limitation?

2017-03-22 Thread Christian Ehrhardt
On Tue, Mar 21, 2017 at 11:46 PM, Mark Post wrote: > I just looked at one of my SLES12 test systems, and we have > CONFIG_NR_CPUS=256 specified, so I'm guessing having a lot of headroom > won't cause any problems. I agree, Ubuntu has the same 256 and IIRC RH as well. I think

Re: Debian CPU limitation?

2017-03-21 Thread Mark Post
>>> On 3/21/2017 at 06:32 PM, Ray Mansell wrote: > cat /proc/cmdline > root=/dev/disk/by-path/ccw-0.0.9207-part3 BOOT_IMAGE=0 > > Can this be modified to allow >32 CPUs? If Christian is right (and he almost certainly is), then the only thing that will allow you to have more

Re: Debian CPU limitation?

2017-03-21 Thread Ray Mansell
On 3/21/2017 17:38, Mark Post wrote: What does /proc/cmdline show for the kernel parms? Mark Post cat /proc/cmdline root=/dev/disk/by-path/ccw-0.0.9207-part3 BOOT_IMAGE=0 Can this be modified to allow >32 CPUs? Many thanks for your help, Ray

Re: Debian CPU limitation?

2017-03-21 Thread Christian Borntraeger
On 03/21/2017 09:05 PM, Ray Mansell wrote: > We've been running some beefy Debian servers, but of course one of them > was not beefy enough, and we were asked if we could increase the number > of CPUs from 32 to 48. Easy, I thought, until I rebooted the beefier > server only to discover it had

Re: Debian CPU limitation?

2017-03-21 Thread Mark Post
>>> On 3/21/2017 at 04:05 PM, Ray Mansell wrote: > We've been running some beefy Debian servers, but of course one of them > was not beefy enough, and we were asked if we could increase the number > of CPUs from 32 to 48. Easy, I thought, until I rebooted the beefier > server