Articles

Security
RACF

RACF – User Attributes

7th May 2012 Rui Miguel Feio
User attributes are extraordinary capabilities, limitations, or environments that can be assigned to a user either all of the time or when the user is connected to a specific group or groups. Attribute Description SPECIAL A user who has the SPECIAL attribute at the system level can issue all RACF […]
Security
RACF

RACF – Access Authority

7th May 2012 Rui Miguel Feio
NONE  Does not allow users to access the data set. EXECUTE  Allows users to load and execute, but not to read or copy, programs in the library. READ  Allows users to access the data set for reading only. UPDATE  Allows users to read from, copy from, or write to the […]
FAQ
Disaster Recovery

Disaster Recovery (DR) Tiers

6th April 2012 Rui Miguel Feio
Disaster Recovery tiers have been defined in the early 1990s by the Automatic Remote Site Recovery project at SHARE and are as follows:   Tier 0 No Disaster Recovery plan.  All data is lost and recovery is not possible. Tier 1 Pickup Truck Access Method (PTAM) – the system, the subsystem, and […]
Command keyboard key
JES

Useful Operator Commands

4th April 2012 Rui Miguel Feio
MVS Commands d a,l All active Address spaces d a,xy* Active jobs starting with “XY” d parmlib PARMLIB concatenation d prog,lnklst Programs defined to Link List d asm,page=all Page data sets & utilization of page space d etr Sysplex timer d grs,c Global resource serialization – contention d iplinfo IPL […]