History (1978): Memorex 3770
First caching disk controller with both write thru and write back
This is a Press Release edited by StorageNewsletter.com on January 2, 2019 at 2:03 pmThis article was published by WikiFoundry.
1978: Memorex 3770
First caching disk controller with both write thru and write back
Why it’s important
Prior to these products to achieve higher performance, system architects positioned high activity data on special high performance disk drives such as fixed head or solid state disk drives.
The advent of cache at the subsystem level substantially improved system performance to the point where there was no longer any need for such specialized devices.
US Patent 4,868,734, Variable rate improvement of disc cache subsystem, Thomas E. Idleman and Jesse I.
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