Managed Microsoft SQL Database Server Clusters
 Why Cluster MS SQL Database Servers?
- Your MS SQL database driven website is a critical revenue stream for your business
- Active - Passive configurations allow for automatic failover in case of Primary database server breakdown
- Active - Active configurations provide database server load balancing
Some Typical MS SQL Cluster Configurations:
Minimum MS SQL Cluster
- Dedicated Load Balancing Switch
- Two Managed Windows Web or Application Servers
- Two Managed Windows Database Servers
- One Storage Array with RAID 5
Software Requirements:
- Windows 2003 Enterprise or Datacenter Edition (per Database Server)
- SQL 2000 Enterprise or SQL 2005 Standard Edition (per processor)
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Standard MS SQL Cluster
- Dedicated Managed Cisco ASA 5500 Series Firewall
- Dedicated Managed Load Balancer
- Two (Or More) Managed Windows Web or Application Servers
- Two Managed Windows Database Servers
- One Dedicated Storage Array (SAN or Direct Attached)
- Managed Dedicated Active Directory Controller
- 100 Mbps Backend Network for Server-to-Server Communication
Software Requirements:
- Windows 2003 Enterprise or Datacenter Edition (per Database Server)
- SQL 2000 Enterprise or SQL 2005 Standard Edition (per processor)
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High Redundancy MS SQL Cluster
- Two Redundant Dedicated Managed Cisco ASA 5500 Series Firewalls with Automatic Failover
- Two Redundant Dedicated Load Balancers with Automatic Failover
- Two Redundant Front End Switches
- Two (or More) Managed Windows Web or Application Servers
- Two Managed Windows 2003 SQL Database Servers
- One Dedicated Storage Array (SAN or Direct Attached)
- Managed Dedicated Primary Active Directory Controller
- Managed Dedicated Secondary Active Directory Controller
- 100 Mbps Backend Network for Server-to-Server Communication
- Dedicated Managed Backup Server with Tape or Disk Backups
Software Requirements:
- Windows 2003 Enterprise or Datacenter Edition (per Database Server)
- SQL 2000 Enterprise or SQL 2005 Standard Edition (per processor)
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