Success Stories

Red Hat Linux High Availability Clustering

Tech-21 has successfully deployed the first Redhat Linux Cluster solution with HP StorageWorks Modular SAN Array 1000 in multi-path configuration for a major Telecom operator in Hong Kong

In the first quarter of year 2003, one of the leading Telecom companies in Hong Kong was looking for a reliable Linux solution for her mission critical network management system. After evaluating several vendors' solutions for almost a year, the company has chosen HP ProLiant and StorageWorks Solution provided by Tech-21. As a leading system integrator, Tech-21 has provided a turn-key solution for the customer.


Customer Requirements
  • Implement a high availability solution for the 7x24, mission critical system
  • Proven and certified solution
  • Lower Total Cost of Ownership by migrating the system from legacy hardware platform to new hardware platform
  • High performance
  • Committed support from system integrator and vendors
  • System integrator with strong skill-sets in Redhat Linux and HP ProLiant Servers

  • 2 Sets of HP ProLiant DL580G2 Servers
  • 1 Set of HP StorageWorks Modular SAN Array 1000 in dual path configuration
  • HP StorageWorks SDLT tape drive


  • Redhat Enterprise Linux AS 2.1
  • Redhat Cluster Manager
  • Oracle 8i database
  • HP Secure Path 4.0c for Linux


Tech-21 Services:

  • Consulting and integration
  • Provide turn-key solution on both hardware and software
  • Implementation
  • Provide skill transfer workshop and system recovery workshop
  • On-going support service



  • To meet the customer's requirements, Tech-21 has proposed and successfully implemented the first Redhat Linux Cluster Solution with HP StorageWorks Modular SAN Array 1000 and multi-path configuration in Hong Kong in May 2003
  • The solution has helped customer reduce IT expenses by eliminating the high maintenance cost of the old system
  • The new system has significant improvement of system performance
  • HP and Redhat solutions has provided a reliable and high available platform for the mission critical system
  • Tech-21 has provided on-going support service for system upgrade