Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yang Luan0
David Flynn0
Michael F. Brown0
Vikram Joshi0
Date of Patent
July 23, 2019
0Patent Application Number
138298350
Date Filed
March 14, 2013
0Patent Citations
Patent Primary Examiner
Patent abstract
A storage module may be configured to service I/O requests according to different persistence levels. The persistence level of an I/O request may relate to the storage resource(s) used to service the I/O request, the configuration of the storage resource(s), the storage mode of the resources, and so on. In some embodiments, a persistence level may relate to a cache mode of an I/O request. I/O requests pertaining to temporary or disposable data may be serviced using an ephemeral cache mode. An ephemeral cache mode may comprise storing I/O request data in cache storage without writing the data through (or back) to primary storage. Ephemeral cache data may be transferred between hosts in response to virtual machine migration.
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