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5
votes
3answers
435 views

Why is it especially bad to reboot a mainframe? [closed]

This is something I've heard a lot throughout my career, from practically every mainframe operator/admin I've ever worked with, and up until now, I never really questioned it, or had a reason to care ...
0
votes
1answer
203 views

Manage multiple zLinux SuSE Servers [closed]

My shop virtualizes a few hundred SuSE 11.1 servers through IBM's zVM hypervisor. (If you've never heard of zVM, it runs on a mainframe and virtualizes Linux in the s390x architecture. It's a ...
9
votes
1answer
896 views

2.5 inch drives versus 3.5 inch drives

I am looking for some publicly available comparisons between 2.5 inch drives and 3.5 inch drives. What I had assumed is that a 2.5 inch 15k drive and a 3.5 inch 15k drive would have identical ...
2
votes
1answer
150 views

Install Zend Server on z/Linux (s390x) from Zend repos

I'm trying to install Zend Server in a z/Linux (Red Hat with kernel 2.6.18-194.el5 s390x) with yum install zend-server-ce-php-5.3 with the repos configured as explained in Manually Installing Zend ...
1
vote
1answer
339 views

Does block size matter when allocating a PDS under z/OS?

When trying to create a new PDS, I have the primary and secondary allocations both set to 10 cylinders. The data set itself is an FB 255 but there's one parameter it's asking for which has me ...
5
votes
5answers
401 views

How to get started on Mainframes and is it worth while?

Is mainframe administration still a viable field to go into? And if it is where would you get started on learning how to administer and program against a mainframe?
1
vote
2answers
169 views

Mainframes in every day life [closed]

What are some examples of people using mainframes in every day life? Also, is it apparent really to the end-user that such a thing is running on a mainframe? I know ATM machines often use mainframes. ...
0
votes
2answers
276 views

Approximate pricing for IBM Z? [closed]

I am bidding on a small- to medium-sized job for developing a Java application to eventually be deployed on IBM's System Z. I'm very excited about it and though quite frankly I've had very little if ...
4
votes
6answers
1k views

Importance of Mainframe

Is the usage of mainframe decreasing now a days?
0
votes
1answer
1k views

FOCUS (Mainframe DBMS) Acronym: What Does It Stand For? [closed]

Information Builders released mainframe database application FOCUS in 1975. You can read the whole story on Wikipedia: http://en.wikipedia.org/wiki/FOCUS. What does the acronym FOCUS stand for?
2
votes
4answers
213 views

Would you ever use or suggest a midrange or mainframe for a new project?

Calling all system admins! Would you ever consider starting to use a IBM midrange / mainframe / power series / HP Integrety server instead of x86/x64 for a "new" project ? Does anyone even care ...