Hitachi 9900 Series Indoor Furnishings User Manual


 
WAN
Wide Area Networks or WANs are networks of computers that are geographically
dispersed and connected by radio waves, telephone lines, satellites, or high-speed fibre
optic backbones.
Warm site
An alternate-processing site that is only partially equipped (as compared to Hot site
which is fully equipped). See also Hot site and Cold site.
Workload
I/O workload refers to the pattern of I/Os presented to the Lightning 9900
Series
system or to a disk drive.
XRC
Extended Remote Copy. IBM’s implementation of a software asynchronous Remote
Copy technique that preserves data integrity. See also HXRC and Hitachi TrueCopy.
Hitachi Data Systems
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