Presenting enclosure cache as local cache in an enclosure attached server

摘要

Presenting enclosure cache as local cache in an enclosure attached server, including: determining, by the enclosure, a cache hit rate for local server cache in each of a plurality of enclosure attached servers; determining, by the enclosure, an amount of available enclosure cache for use by one or more of the enclosure attached servers; and offering, by the enclosure, some portion of the available enclosure cache to an enclosure attached server in dependence upon the cache hit rate and the amount of available enclosure cache.

主权项

1. An apparatus comprising a computer processor and a computer memory operatively coupled to the computer processor, the apparatus further comprising a first cache, the apparatus attached to a server that includes a second cache and is physically separate from the apparatus, the computer memory having disposed within it computer program instructions that, when executed by the computer processor, cause the apparatus to carry out the steps of:
requesting and receiving, from the server, a cache hit rate for the second cache; determining an amount of the first cache that is available for offering to the server; and based on the cache hit rate and the amount of the first cache that is available, offering for use, some portion of the first cache to the server.