Storage system including storage adaptors having cache...

Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C711S119000, C709S219000

Reexamination Certificate

active

10845409

ABSTRACT:
A storage system having a cluster configuration that prevents a load from concentrating on a certain storage node and enhances access performance is disclosed. The storage system is provided with plural storage adaptors having a cache memory for storing data read/written according to an I/O request from a host and a device for holding the data stored in the cache memory, means for connecting an external storage having a logical device that handles the read/written data and a cache memory to the storage adaptor, means for monitoring and grasping a usage situation of each cache memory of the plural storage adaptors and means for referring to information of the usage situation of each cache memory acquired by the grasping means and selecting any of the storage adaptors so that usage of each cache memory is equalized, and the logical device of the external storage is controlled by the storage adaptor selected by the selection means via connection means.

REFERENCES:
patent: 6105116 (2000-08-01), Mori
patent: 6256740 (2001-07-01), Muller et al.
patent: 6529976 (2003-03-01), Fukuzawa et al.
patent: 7096319 (2006-08-01), Mogi et al.
patent: 2003/0159001 (2003-08-01), Chalmer et al.
patent: 2004/0083289 (2004-04-01), Karger et al.
patent: 2004/0193803 (2004-09-01), Mogi et al.
patent: 2004/0257857 (2004-12-01), Yamamoto et al.
patent: 2005/0033804 (2005-02-01), Iwami et al.
patent: 2005/0055435 (2005-03-01), Gbadegesin et al.
patent: 10-283272 (1998-10-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Storage system including storage adaptors having cache... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Storage system including storage adaptors having cache..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Storage system including storage adaptors having cache... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3723818

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.