Break Open Your VSM Black Box and Expose Internal Tape Processing
When virtual tape systems don't run properly or you need to examine detailed tape information, the virtualization makes it hard to see what is really going on inside the black box.
HDS G1000 and Better Protecting Availability of z/OS Disk Storage
The Mainframe Analytics Recorder is a no-charge microcode upgrade for the VSP G1000 storage array that writes additional information to SMF.
New Visibility into FAST/FAST-VP for Large Scale EMC Environments
Managing the performance of EMC FAST-VP objects is complicated, and the IntelliMagic Performance Class monitoring effectively addresses this important gap.
IBM z/OS’s Microscope – GTF
With a GTF I/O summary trace, what appears innocuous at the RMF level can have some surprising characteristics when put under the GTF microscope.
Shelfware, IT’s version of Home Exercise Equipment
Unused software, or shelfware, is a pervasive problem in enterprise IT as it doesn't take other factors like personnel, processes, and skills into account.
How are my Disk Storage Systems doin’?
Disk storage systems provide hundreds of performance-related metrics but in order to identify which of the metrics are key, one first needs to know what exactly the metric represents.
Pend Time Haiku
The I/O infrastructure for IBM z Systems is second to none in the enterprise space, including the detailed metrics delineating where time is spent in I/O processing.
The Attack of the Disk Clones
While most mainframe shops have explored how to reduce mainframe software costs, we are finding significant latent savings opportunities still exist at even the best run sites.
Beneficial Use of GDPS Copy Once Facility (Experimental Evidence)
A Copy Once Facility is not expensive to implement or maintain and can save up to 50% of the bandwidth that would be required if it wasn’t available.