Marcus Barrow Email & Phone Number

Westford, MA

High Availability developer. Implemented a failover history function, debugged synchronous message passing and improved documentation for the Pacemaker resource manager.

Partner engineer for QLogic at RedHat.Greatly improved these companies business relationship.Maintained drivers, developed tools and infrastructure for enterprise storage environment at Redhat.

Innovative, scaleable open source platform for large scale computing. CPUs, switches and connectors in a small, modular building block format.

Southborough, Ma.

Provided complete system environment for custom PowerPC / Marvell based platform for storage product. Directed key product design issues and resolution efforts. Achieved large improvements in memory and PCI performance using logic analyzers.

Lowell, MA

Technical Lead on filesystems. Orchestrated large contract for a clustered embedded High Availability Linux Virtual Server on PowerPC / Marvell system.Developed partnerships with Marvell, Motorola, QLogic and others for support of Linux on their hardware.

Nashua, NH

Technical Lead on filesystems. Directed 5 member group developing /maintaining UFS, VFS, CDFS and MFS. Collaborated with team and VM group to greatly increase I/O rate to hundreds of MB/Sec. Prototyped file block re-mapping for contiguity and expansion of existing filesystems.Researched filesystems issues. Proposed port of Global File System. Resolved.

Burlington, MA

Provided redesign of SUNOS driver for vendor's new generation of very high speed disk interfaces. Modified Sun boot ROMS, boot code, boot-able diagnostics for vendor's interfaces. Device drivers, disk formatters, system boot code and performance exercisers for mass storage devices.

Burlington, MA

Utility product software for asynchronous distributed multi-processor; assemblers for new processors, modifications to simulator, debugger and loader. Trainee supervisor. System manager for development systems.