Sun Microsystems, Inc.

Emc Corporation

Emc IP Holding Company LLC

Peter W Madany

Thomas K Wong

Nedim Fresko

Edward C Bueche

Christopher H Stacey

Richard D Tuck

Daniel S Collins

Sunita Casula

Allen B Hubbe

Navaneeth Ranganna

Suvidya S Daftardar

Oluwasoga T Oni

Umer Toor

Sairam Veeraswamy

Peter C Bixby

Ye Zhang

Philip C Love

Paul LeMahieu

Andrew S Becher

Alexei Karaban

Fengcheng Lu

Weiye Cheng

Yung-Chieh Stephen Hu

Yisui Hu

Lixie Liu

Graham Hamilton

Sanjay R Radia

Hideya Kawahara

Eric Chu

Michael N Nelson

Eduardo Pelegri-Llopart

Hania Gajewska

Panagiotis S Kougiouris

Alan G Bishop

Anil S Shivanlingiah

A method of searching shared files stored on a shared storage includes providing a search functionality in the shared storage having a set of search indexes to perform a search based on a search term; providing an event stream of update events associated with the shared files in the shared storage; processing the event stream to generate a processed event stream; and responding to update events in the processed event stream by indexing files referenced in the update events in the processed event stream where the indexing is performed to maintain a predetermined level of quality of service at the shared storage.

Integrated search for shared storage using index throttling to maintain quality of service

Large files in a file system are mapped by extents of contiguous indirect blocks in order to reduce the time for read or write access to the large files while allowing allocation of data blocks one at a time. The inode of a file includes an indication of whether file mapping metadata of the file includes either an extent of contiguous indirect blocks or a tree of blocks. In a preferred mapping scheme, an inode contains an array of block pointer entries, and each entry includes a flag indicating whether the block pointer is pointing to either an extent of indirect blocks or a tree of blocks. For sharing of data blocks between files, the block pointer fields of the indirect blocks each contain an ownership flag indicating whether the pointed-to block is shared or not.

Using extents of indirect blocks for file mapping of large files

A method of searching shared files stored on a general purpose shared storage includes receiving a search term in a native search interface of an operating system on a computing device; and performing, on the computing device, a search based on the search term including accessing a search functionality of the general purpose shared storage, wherein the search functionality uses indexes of the shared files stored on the shared storage and updates the indexes of the shared files in response to update events generated from the shared files. In one embodiment, the method performs a federated search based on the search term.

Integrated search for shared storage

To preserve the contiguity of file map extents of a production file when making a series of snapshot copies, the snapshots share indirect blocks of the production file through virtual pointers. When a write to a data block of the production file is first done since the time of the most recent snapshot so that the most recent snapshot can no longer share one of the contiguous indirect blocks, a new indirect block is allocated to store the file mapping metadata for the most recent snapshot, and a virtual pointer for the snapshots is changed to point to this new indirect block. Therefore the change in the virtual pointer changes the file mapping metadata for any number of snapshots sharing the new indirect block so that the method is scalable.

Creating point-in-time copies of file maps for multiple versions of a production file to preserve file map allocations for the production file

The present invention provides a system and method for abstracting multiple network attached storage ('NAS') locations, providing a single global namespace and a single mount point that is protocol and location-independent. As a result, rather than identifying each NAS and file server by location, access is provided through a single transparent mechanism. In order to maintain transparency, the present invention provides a way to reconcile the different naming practices for different file server protocols.

Multi-protocol global namespace mechanism for network attached storage

Disclosed is a system having a power input line. A power supply facility provides the system with a combined set of signals including a power signal and a status signal over the power input line. Additionally, disclosed is a system having at least two power input lines. Uninterruptible power supply facilities provide the system with combined sets of signals including a power signal and a status signal over the power input lines. Each combined set of signals includes a unique UPS identifier, which can be used to determine whether power sources for power input lines are unique.

Power supply system

In one of the many embodiments of the present inventions, a system is provided which includes at least one server to execute at least one session where the at least one session includes data associated with a user. The system also includes at least one stateless client coupled to the at least one server where the at least one stateless client obtains the at least one session from the at least one server.

Low cost, stateless, full-featured information appliance

An apparatus and method for locating free data blocks in a microprocessor-based system for which snapshots are maintained. The snapshots are stored periodically, but only a subset of live snapshots is retained in order to reduce the total amount of storage needed for the snapshot information, such that their snapshot numbers are not sequential and there are gaps in the snapshot times. For each data block to be accessed, an allocation time and a deallocation time are stored in an allocation table. When a data block is needed, its allocation and deallocation times are compared with the live snapshot times to determine whether that data block is available. If not, the system iterates through the other data block allocation information until a free data block is located. If so, the system writes to that data block, and repeats the procedure as necessary to locate additional free data blocks.

System for storing block allocation information on multiple snapshots

A task executing at a server receives a request to package program code for remote execution on a client, and determines the software components that already reside at the client. The task uses this information to formulate a set of instructions to another task that creates the package. The created package is transmitted to the client, and program execution begins.

Methods and apparatus for packaging a program for remote execution

A linkage editor executing at a server receives instructions for packaging software components that are required for program execution at a client. The linkage editor generates an output file by iteratively analyzing the program for references to other software components and extracting those components from their parent classes. The linkage editor sends the completed output file to an interface task, which transmits it to the client.

Methods and apparatus for linking a program for remote execution

Method and system for providing interoperability among processes written to execute on different operating systems

The invention is a method and apparatus for dynamically loading a gateway server into a client machine if one is needed for the client machine to communicate directly with a program in another domain. In brief summary, when a new machine receives an object reference, this new machine must determine whether it can use the object reference as is for further communications or whether it must try to modify the object reference before using it. The new machine makes this determination by seeing if the front handle of the object reference points to a gateway object that is located on the new machine. If so, then the new machine can use the object reference as is. If the front handle pointer indicates that the designated gateway object is on another machine, then the task is to find or create a new gateway object on the new machine for use in further communications and to modify the object reference accordingly.

Method and apparatus for access to remote gateway servers

Growing community of inventors

Fremont, CA, United States of America

Peter W Madany