Articles by Rui Miguel Feio

Security
RACF

Useful RACF Commands for Administrators

25th February 2012 Rui Miguel Feio
The following are a few common RACF commands used by Security Administrators in the Mainframe environment. Note that the commands shown are very simplified examples. More details of the commands and their parameters can be found in IBM’s manual.   User Profiles AU userid NAME(‘user_name’) DFLTGRP(grp_name) OWNER(owner) PASS(password) Add a […]
pen on keyboard
MVS

VSAM Open Error Codes

24th December 2011 Rui Miguel Feio
136(88) Not enough Virtual-Storage Space is available for Work Areas, Control Blocks, or Buffers. 144(90) An uncorrectable I/O error occurred while VSAM was Reading or Writing a catalog record. 148(94) No record for the data set to be opened was found in the available catalog(s) or an unidentified error occurred […]
pen on keyboard
MVS

VSAM Logical Error Codes

11th December 2011 Rui Miguel Feio
004(04) Read past end of file 008(08) You attempted to store a record with a Duplicate Key, or there is a duplicate record for an alternate index with the unique key option. 012(0C) You attempted to store a record out of Ascending Key Sequence in Skip-Sequential Mode; record had a […]
FAQ
JCL

Most Common JCL Error Codes

3rd December 2011 Rui Miguel Feio
S001 An I/O error ocurred. Check reason code for exact cause. Examples are trying to read beyond End of File, trying to write to an input file or a file length error. S002 Invalid I/O record, eg attempting to write a record that is longer than the maximum record length. […]
IBM Logo
Tech - Mainframe

IBM zEnterprise Announcement

24th July 2011 Rui Miguel Feio
This animation features the key announcements for the 2011 IBM zEnterprise launch including: the zEnterprise 114, Linux support for select IBM System x blades, and Unified Resource Manager APIs and key enhancements to the z196.