Inventor

RASHID AHSAN

US34 patents

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

RASHID AHSAN

EMC IP HOLDING CO LLC

Managing inline data compression in storage systems

File system reorganization in the presence of inline compression

Managing inline data compression in storage systems

Allocating space in a file system from sequential and random cursors

Reporting of space savings due to pattern matching in storage systems

Efficiently shrinking a dynamically-sized volume

Reporting of space savings due to pattern matching in storage systems

Managing storage capacity in version families having both writable and read-only data objects

Converting files between thinly and thickly provisioned states

Techniques for selectively deactivating storage deduplication

Tracking version families in a file system

Continuous metadata formatting

Inline coalescing of file system free space

Data reduction reporting in storage systems

Techniques for creating windows of free blocks in a file system in accordance with trigger conditions, slice selection criteria and termination criteria

Techniques for rebalancing storage between subspaces

Global tracking of virtual inode numbers in snap-based filesystems

Deletion of snapshot of filesystem

Techniques for limiting the maximum storage consumed by a file system without shrinking an underlying volume

Determining a sharing relationship of a file in namespace snapshots

Optimizing file-system resource reservation

EMC CORP

Data storage system with window allocation using window cache

Coalescing file system free space to promote full-stripe writes

Techniques for mitigating effects of small unaligned writes

Managing data storage reservations on a per-family basis

Tracking compressed fragments for efficient free space management

Data storage system with adaptive file system over-provisioning

File system inline fine grained tiering

Segregating data and metadata in a file system

Data storage system employing file space reclaim without data movement

Window-based resource allocation in data storage systems

DELL PRODUCTS LP

Preserving inode number information in in-band migration of source filesystem to destination filesystem

Multiple bitmap single head/tail retirement transaction order

Client data layout retention across server disruption