The CICS TS for VSE service team just published, that new PTFs are available for CICS TS for VSE/ESA and CICS TS for z/VSE on their fix lists. The fix list for CICS Transaction Server for VSE/ESA 1.1.1 is here . The fix list for CICS Transaction Server for z/VSE 2.1 is here .

Tags:  service ptf cics support vse apar

About 16 month ago I posted a blog entry about z/VSE recommendations for concurrent microcode upgrade for IBM System Storage. I just got again questions about that subject. Therefore I want to re-post this blog entry. You can also find it, if you search for the tag "microcode" in my blog.   z/VSE does not fully support concurrent microcode upgrade during a z/VSE system is active. Therefore I strongly recommend to shutdown the z/VSE system(s) for disk storage microcode upgrades, do the upgrade and re-ipl the z/VSE system. I would... [More]

Tags:  vse upgrade dasd scsi disk tape microcode

If you want to synchronize a resource between (e.g. a VSAM file - share option 4) multiple z/VSE systems, you can use the z/VSE DASD sharing support. DASD Sharing requires a lock file, where all systems that participate in sharing are registered with their CPU id. The lock file also hold the resource names, lock option and status byte. See my related blog entry for more details - here .   If you want to add or remove a z/VSE (CPU) system from DASD sharing, you may need to format the lock file. Before doing that, all z/VSE systems that... [More]

Tags:  format dasd_sharing vse lock_file