Embodiments of the invention relate to leveraging disk controller cache memory to simulate non-volatile random access memory. At least one logical block address in cache memory of the disk controller is designated and set aside as permanently dirty. Read operations may be supported with data in the cache memory; including data retained in any block address designated as permanently dirty. Write operations may also be supported by storing the write data in the logical block address designated as permanently dirty.
申请公布号
US2013117498(A1)
申请公布日期
2013.05.09
申请号
US201113291239
申请日期
2011.11.08
申请人
BROSNAN SUSAN W.;HOGAN PATRICIA S.;LANDERS, JR. JOHN DAVID;STEINER DAVID J.;INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BROSNAN SUSAN W.;HOGAN PATRICIA S.;LANDERS, JR. JOHN DAVID;STEINER DAVID J.