Data Storage Technologies

QualEx Systems has been providing outsourced product development services in data storage technologies to world leaders in since Jan 2000. Network Attached Storage (NAS) related development is one of the strongest areas of expertise of QualEx Systems.

Having handled large and complex prjects and participated in all aspects of product development, our extensive experience ranges across a variety of systems, protocols and applications:

NAS - Network Attached Storage

NAS is prime forte of QualEx. We have long design and development experience on multiple NAS products, some of them being:

An Enterprise NAS Appliance Product

	One of the best NAS Appliance Product
	Executed projects in several key areas of the embedded Operating Systems, from low level kernel subsystems, protocols, to systems management using CLI and Web based User Interfaces.
	Handled high priority short term project along with long and continuous development release cycles
	Architected, held complete ownership and responsibility of Quotas Sub-System and File Level Retention area
	Implemented several innovative features, resulting in to five Patent Applications

NFS Server on Windows

Developed NFS server on Windows

Web based NAS Management

Implemented a Web based NAS Management System to configure and manage a NAS/SAN Appliance

SAN : Storage Area Networks

	File Systems
	Virtual File System
	Unix File System
	Quotas Subsystem
	File Level Retention
	File Mapped Volumes and File Systems
	Extended Attributes

Storage Subsystems

	LVM - Logical Volume Manager
	RAID Technology
	Virtualization

Data Protection

	CDP - Continuous Data Protection
	Volume Replication
	Volume Shapshots
	Logical Volume Management
	64 bit support Snapshots

Protocols

	CIFS, NFS
	iSCSI
	FC/IP

Storage Management Initiative - Specification (SMI-S) and CIM

Web based UI

Other/Consulting

Standards Conformance Analysis

Storage Capacity Planning and Management

File System Performance Benchmarking