Re: Missing OSA/2 Interfaces

2007-09-03 Thread Christian Langer
What I don't understand is, why you have to build an initrd? Isn't it sufficient to add the modules in /etc/modules? Christian Mark Post schrieb: On Fri, Aug 31, 2007 at 4:32 PM, in message [EMAIL PROTECTED], David Stuart [EMAIL PROTECTED] wrote: -snip- Where do I find initrd? A

Re: Adding dasd with Red Hat

2007-09-03 Thread Evans, Kevin R
Mark, I'm glad that this worked for you (and those people here that you obviously help). I think that RH should maybe learn from this, but seems to me that they haven't yet. The story that I got from the FBI folks here that are working the Linux project on the mainframe tell me that the reason

Re: Adding dasd with Red Hat

2007-09-03 Thread Marian Gasparovic
Kevin, it is strange, IBM should not give recommendations on one vendor over another. We all have our preferences, but I am strongly forbidden to tell customer which distribution to use. The only difference is if the support matrix shows support only for one vedor, which happens from time to time.

Re: Performance: 31 vs 64 bit?

2007-09-03 Thread Mario Held
Assuming that I have a workload which will run effectively in 31 bit mode, does anybody know if it will run more efficiently in 31 bit mode than in 64 bit mode. That is, does 64 bit mode on System z have more overhead (either hardware or software) than 31 bit mode? Or is this another it depends

Re: Adding dasd with Red Hat

2007-09-03 Thread Mark Post
On Mon, Sep 3, 2007 at 5:48 AM, in message [EMAIL PROTECTED], Evans, Kevin R [EMAIL PROTECTED] wrote: -snip- The story that I got from the FBI folks here that are working the Linux project on the mainframe tell me that the reason that we are using RHEL here is that IBM said that they

Re: Performance: 31 vs 64 bit?

2007-09-03 Thread Rick Troth
On Mon, 3 Sep 2007, Mario Held wrote: If you have the source of your application available you can compile the application with and without the '-m31' parameter and test the performance in your special case. Then sometimes the answer is it depends of the scenario. But if the distributors are

Re: Performance: 31 vs 64 bit?

2007-09-03 Thread Ivan Warren
Rick Troth wrote: But if the distributors are only shipping 64-bit kernels, then '-m31' still does not completely answer the question about 31-bit performance. The rest of Linux will be running 64-bit, skewing the results. -- R; Not necessarily. Granted, the process will be running in

Re: Adding dasd with Red Hat

2007-09-03 Thread John Summerfield
Mark Post wrote: On Mon, Sep 3, 2007 at 5:48 AM, in message [EMAIL PROTECTED], Evans, Kevin R [EMAIL PROTECTED] wrote: -snip- The story that I got from the FBI folks here that are working the Linux project on the mainframe tell me that the reason that we are using RHEL here is that IBM said

Re: Performance: 31 vs 64 bit?

2007-09-03 Thread Rick Troth
I wrote: But if the distributors are only shipping 64-bit kernels, then '-m31' still does not completely answer the question about 31-bit performance. The rest of Linux will be running 64-bit, skewing the results. What I was trying to say is that a 31-bit program running on a 64-bit Linux