International Business Machines Corporation

Michael Francis Scully

Renato John Recio

Ian David Judd

Pat Allen Buckland

Gary Robert Lyons

A Solid State Disk (&ldquo;SSD&rdquo;) and accompanying logic to extend the local memory of an adapter for RAID storage devices. Use of virtual memory, representing the SSD range of addresses in the adapter address memory, allows the adapter to incorporate the total memory into the adapter memory structure. The SSD is non-volatile and large amounts of cache items may be transferred to the SSD as an extension of the adapter memory. The cache write may be delayed and subsequently written to a designated address on a RAID drive, freeing the adapter on-board memory and control functions. Further, the size of the SSD allows for large amounts of data staging and storage, permitting device-to-device communications that would reduce the read and write commands between the host, adapter and drives.

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Austin, TX, United States of America

Michael Francis Scully