Inventor
VISHLITZKY NATAN
US105 patents
Patents
50 patentsUS7240238B2Jul 3, 2007
Remote data mirroring
EMC CORP68 citations99
US7055059B2May 30, 2006
Remote data mirroring
EMC CORP110 citations99
US6502205B1Dec 31, 2002
Asynchronous remote data mirroring system
EMC CORP603 citations99
US6052797AApr 18, 2000
Remotely mirrored data storage system with a count indicative of data consistency
EMC CORP416 citations99
US5987566ANov 16, 1999
Redundant storage with mirroring by logical volume with diverse reading process
EMC CORP147 citations99
US5889935AMar 30, 1999
Disaster control features for remote data mirroring
EMC CORP327 citations99
US5845147ADec 1, 1998
Single lock command for an I/O storage system that performs both locking and I/O data operation
EMC CORP296 citations99
US5819310AOct 6, 1998
Method and apparatus for reading data from mirrored logical volumes on physical disk drives
EMC CORP164 citations99
US5737747AApr 7, 1998
Prefetching to service multiple video streams from an integrated cached disk array
EMC CORP645 citations99
US5664144ASep 2, 1997
System and method for FBA formatted disk mapping and variable-length CKD formatted data record retrieval
EMC CORP159 citations99
US5544347AAug 6, 1996
Data storage system controlled remote data mirroring with respectively maintained data indices
EMC CORP1,659 citations99
US5537568AJul 16, 1996
System for dynamically controlling cache manager maintaining cache index and controlling sequential data access
EMC CORP228 citations99
US5381539AJan 10, 1995
System and method for dynamically controlling cache management
EMC CORP357 citations99
US5269011ADec 7, 1993
Dynamically reconfigurable data storage system with storage system controllers selectively operable as channel adapters on storage device adapters
EMC CORP163 citations99
US5206939AApr 27, 1993
System and method for disk mapping and data retrieval
EMC CORP577 citations99
US7073090B2Jul 4, 2006
Remote data mirroring system having a remote link adapter
EMC CORP66 citations98
US6665740B1Dec 16, 2003
Logical volume selection in a probability-based job scheduler
EMC CORP89 citations98
US6647474B2Nov 11, 2003
Remote data mirroring system using local and remote write pending indicators
EMC CORP288 citations98
US6625705B2Sep 23, 2003
Remote data mirroring system having a service processor
EMC CORP77 citations98
US6438586B1Aug 20, 2002
File transfer utility which employs an intermediate data storage system
EMC CORP260 citations98
US6282602B1Aug 28, 2001
Method and apparatus for manipulating logical objects in a data storage system
EMC CORP134 citations98
US6173306B1Jan 9, 2001
Dynamic load balancing
EMC CORP141 citations98
US6173377B1Jan 9, 2001
Remote data mirroring
EMC CORP523 citations98
US6145006ANov 7, 2000
Method and apparatus for coordinating locking operations of heterogeneous host computers accessing a storage subsystem
EMC CORP88 citations98
US6112257AAug 29, 2000
Dynamic adjustment of mirror service policy for logical volumes in a disk drive system based on collected statistics
EMC CORP98 citations98
US5592432AJan 7, 1997
Cache management system using time stamping for replacement queue
EMC CORP101 citations98
US5341493AAug 23, 1994
Disk storage system with write preservation during power failure
EMC CORP114 citations98
US6418509B1Jul 9, 2002
System and method for disk mapping and data retrieval
EMC CORP72 citations97
US5960216ASep 28, 1999
Method and apparatus for interfacing two remotely disposed devices coupled via a transmission medium
EMC CORP55 citations97
US5909692AJun 1, 1999
System and method for disk mapping and data retrieval
EMC CORP66 citations97
US5742792AApr 21, 1998
Remote data mirroring
EMC CORP1,442 citations97
US7340489B2Mar 4, 2008
Virtual storage devices
EMC CORP34 citations96
US7127556B2Oct 24, 2006
Method and apparatus for initializing logical objects in a data storage system
EMC CORP52 citations96
US6728836B1Apr 27, 2004
Segmenting cache to provide varying service levels
EMC CORP47 citations96
US6591335B1Jul 8, 2003
Fault tolerant dual cache system
EMC CORP50 citations96
US6587919B2Jul 1, 2003
System and method for disk mapping and data retrieval
EMC CORP27 citations96
US6457102B1Sep 24, 2002
Cache using multiple LRU's
EMC CORP67 citations96
US6393540B1May 21, 2002
Moving a logical object from a set of source locations to a set of destination locations using a single command
EMC CORP55 citations96
US6370626B1Apr 9, 2002
Method and apparatus for independent and simultaneous access to a common data set
EMC CORP62 citations96
US6353869B1Mar 5, 2002
Adaptive delay of polling frequencies in a distributed system with a queued lock
EMC CORP103 citations96
US6266740B1Jul 24, 2001
Device sequencing and placement protection using a digital signature
EMC CORP61 citations96
US6247046B1Jun 12, 2001
Method and apparatus for interfacing two remotely disposed devices coupled via a transmission medium
EMC CORP26 citations96
US6185653B1Feb 6, 2001
System and method for disk mapping and data retrieval
EMC CORP30 citations96
US6049850AApr 11, 2000
Method and apparatus for controlling the contents of a cache memory
EMC CORP55 citations96
US6035375AMar 7, 2000
Cache memory with an allocable micro-cache
EMC CORP38 citations96
US5787473AJul 28, 1998
Cache management system using time stamping for replacement queue
EMC CORP57 citations96
US5761717AJun 2, 1998
System and method for determining what position in cache memory to store data elements
EMC CORP29 citations96
US5751993AMay 12, 1998
Cache management system
EMC CORP86 citations96
US5706467AJan 6, 1998
Sequential cache management system utilizing the establishment of a microcache and managing the contents of such according to a threshold comparison
EMC CORP57 citations96
US5682500AOct 28, 1997
System and method for determining sequential cache data access in progress
EMC CORP35 citations96
Showing the top 50 of 105 patents by PatentIndex Score.