Inventor

MATHEWS ALEXANDER S

US17 patents

⚠️ This page may combine multiple inventors who share the name “MATHEWS ALEXANDER S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATHEWS ALEXANDER S

EMC IP HOLDING CO LLC

Managing data relocations in storage systems

Mechanisms for performing accurate space accounting for volume families

Data storage system dynamically re-marking slices for reclamation from internal file system to pool storage

Inline coalescing of file system free space

Efficient space accounting mechanisms for tracking unshared pages between a snapshot volume and its parent volume

System and method for inline recovery of a file system resource allocator

Data storage system using in-memory structure for reclaiming space from internal file system to pool storage

Techniques for efficiently performing filesystem reorganization tasks for different filesystems

Deletion of snapshot of filesystem

Finding storage objects of a snapshot group pointing to a logical page in a logical address space of a storage system

Determining a sharing relationship of a file in namespace snapshots

Hard link handling with directory snapshots

Data storage system with repair of virtual data blocks of internal file system

Data storage system with repair of mid-level mapping blocks of internal file system

SCHEER MICHAEL D

Hierarchical mapping of free blocks of cylinder groups of file systems built on slices of storage and linking of the free blocks

CLARK MORGAN

Inode to pathname support with a hard link database

DELL PRODUCTS LP

Directory snapshots based on directory level inode virtualization