
460 IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
The data at the remote site is current within 3 to 5 seconds, but this recovery point (RPO)
depends on the workload and bandwidth available to the remote site.
14.5.1 Performance aspects for Global Mirror
Global Mirror is basically comprised of Global Copy (formerly known as PPRC-XD) and
FlashCopy, and combines and manages both functions to create a distributed solution that
will provide consistent data at a distant site.
This means that we should analyze performance at the production site, at the recovery site,
as well as between both sites, with the objective of providing ...