Sunday, March 13, 2011
The 2305/2835 Storage Facility became popular with the System/370, and used as the paging device of choice, for systems 155-2, 158, 165-2 and 168. This was particularly true at IBM internal data centers where obsolete equipment was often all that was available. When floor space was not at a premium, the fixed head storage devices gave paging performance comparable to the alternative of using only the small amount of disk space located under one seek position of a standard disk drive and leaving the rest of the volume empty, which was a common practice in high transaction environments such as airline reservation systems, for paging and high volatility data storage.
Labels: History of hard disk drives
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