Inventor

SCHMUCK FRANK B

US108 patents

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

SCHMUCK FRANK B

IBM

Providing a snapshot of a subset of a file system

Deferred copy-on-write of a snapshot

Providing a snapshot of a subset of a file system

Method for adding new members to a group by sending a commit message with updated membership list to all nodes on the updated list

File system for providing access to a snapshot dataset where disk address in the inode is equal to a ditto address for indicating that the disk address is invalid disk address

Writable file system snapshot with ditto address feature

Generating data set of the first file system by determining a set of changes between data stored in first snapshot of the first file system, and data stored in second snapshot of the first file system

Plurality of file systems using weighted allocation to allocate space on one or more storage devices

Parallel file system with method using tokens for locking modes

Parallel file system and method for multiple node file access

Parallel file system and method for parallel write sharing

Parallel file system and method with allocation map

Parallel file system and method for granting byte range tokens

Parallel file system and method anticipating cache usage patterns

Method using two different programs to determine state of a network node to eliminate message response delays in system processing

Parallel file system and method with a metadata node

Parallel file system and buffer management arbitration

Parallel file system and method with quota allocation

Parallel file system with extended file attributes

Parallel file system and method with extensible hashing

Detecting when to prefetch inodes and then prefetching inodes in parallel

System for determining the order and frequency in which space is allocated on individual storage devices

Parallel file system and method for independent metadata loggin

Parallel file system with a quota check utility

Mechanism for running parallel application programs on metadata controller nodes

Dynamically switching between different types of concurrency control techniques to provide an adaptive access strategy for a parallel file system

Parallel file system and method with byte range API locking

Efficient hierarchical storage management of a file system with snapshots

Providing a snapshot of a subject of a file system

Non-disruptive migration of coordinator services in a distributed computer system

Distributed locking protocol with asynchronous token prefetch and relinquish

Detecting when to prefetch inodes and then prefetching inodes in parallel

Rapid restoration of file system usage in very large file systems

Ditto address indicating true disk address for actual data blocks stored in one of an inode of the file system and subsequent snapshot

Method and apparatus for integrating applications in a graphical user interface environment with a rules database

File system mounting in a clustered file system

Parallel high speed backup for a storage area network (SAN) file system

Scalable caching of remote file data in a cluster file system

Restore of full system backup and incremental backups using multiple simultaneous device streams

Generalized storage allocation for multiple architectures

Distributed locking protocol with asynchronous token prefetch and relinquish

Coordinated access to a file system&#39;s shared storage using dynamic creation of file access layout

ANANTHANARAYANAN RAJAGOPOL

Asynchronous file operations in a scalable multi-node file system cache for a remote cluster file system

Scalable caching of remote file data in a cluster file system

Scalable caching of remote file data in a cluster file system

Asynchronous file operations in a scalable multi-node file system cache for a remote cluster file system

Disconnected file operations in a scalable multi-node file system cache for a remote cluster file system

Directory traversal in a scalable multi-node file system cache for a remote cluster file system

SAWDON WAYNE A

Restore of full system backup and incremental backups using multiple simultaneous device streams

Multi-phase file system restore with selective on-demand data availability

Coordinated access to a file system's shared storage using dynamic creation of file access layout