Synchronous File mirroring across two different sysplexes
I am currently redesigning a process that uses started transactions to update a file that is local to our AOR on two different sysplexes. We run into issues where if the remote file update fails we have no way of knowing (NOCHECK) on the started tran so the files get out of synch. I would [...]

Answer Question   |  April 17, 2009  7:01 PM
CICS, Synchronous replication, Sysplex, VSAM

Sysplex Split
Does anyone have experience with splitting a sysplex with isolated dasd and tape on each new plex? How do you move tape data between the new plexes efficiently? The only methods we are aware of are very awkward at best, e.g. copy tape to dasd, ftp dasd file to other plex, copy back to tape. [...]

Answer Question   |  November 24, 2008  8:29 PM
DASD, Mainframe, Plex, Sysplex, Tape Backups

zSERIES Operating System – different maint levels across a SYSPLEX
I seem to remember that IBM recommend that the length of time LPARs in a SYSPLEX remain on different maintenance levels is kept to a minimum. This would seem logical but I can’t find any documentation actually detailing why this is important. Has anyone seen this documented to any degree?

Answer Question   |  November 27, 2007  2:37 PM
Logical partitions, Sysplex