Re: [Beowulf] connect Mellanox IB FDR adapter to QLogic IB QDR switch?

2013-06-09 Thread Marko Kobal
Hi, One thing for sure, you must make sure the Mellanox firmware in the HCAs are configured to run IBTA link initialization. I expect they run a Mellanox proprietary initialization by default. OK, I've installed one adapter in one of the servers. Adapter is detected by the server and OS

[Beowulf] Prevention of cpu frequency changes in cluster nodes (Was : cpupower, acpid cpufreq)

2013-06-09 Thread Mikhail Kuzminsky
I installed OpenSuSE 12.3/x86-64 now. I may now say about the reasons why I am afraid of loading of cpufreq modules. 1) I found in /var/log/messages pairs of strings about governor like [kernel] cpuidle: using governor ladder [kernel] cpuidle: using governor menu and strange for me [kernel]

[Beowulf] Strange resume statements generated for GRUB2

2013-06-09 Thread Mikhail Kuzminsky
I have swap in sda1 and / in sda2 partitions of HDD. At installation of OpenSUSE 12.3 (where YaST2 is used) on my cluster node I found erroneous, by my opinion, boot loader (GRUB2) settings. YaST2 proposed (at installation) to use ... resume=/dev/disk/by-id/ata-WDC-... -part1 splash=silent

Re: [Beowulf] Prevention of cpu frequency changes in cluster nodes (Was : cpupower, acpid cpufreq)

2013-06-09 Thread Skylar Thompson
On 06/09/2013 11:35 AM, Mikhail Kuzminsky wrote: I installed OpenSuSE 12.3/x86-64 now. I may now say about the reasons why I am afraid of loading of cpufreq modules. 1) I found in /var/log/messages pairs of strings about governor like [kernel] cpuidle: using governor ladder [kernel]

Re: [Beowulf] Strange resume statements generated for GRUB2

2013-06-09 Thread Skylar Thompson
On 06/09/2013 11:37 AM, Mikhail Kuzminsky wrote: I have swap in sda1 and / in sda2 partitions of HDD. At installation of OpenSUSE 12.3 (where YaST2 is used) on my cluster node I found erroneous, by my opinion, boot loader (GRUB2) settings. YaST2 proposed (at installation) to use ...