Database Mirroring in SQL Server 2008 R2
Database mirroring is a primarily software solution for increasing database availability. Mirroring is implemented on a per-database basis...
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HA Database
Reliable High Availability Database Solutions
Keep critical data online with HA database hosting—automatic failover, secure replication, and an availability database stack tuned for production. As a USA hosting provider, Database Mart deploys high availability SQL Server hosting, MySQL HA hosting, and PostgreSQL HA cluster patterns on dedicated server hosting in USA hosting regions.
HA Database Solution
High Availability Database Solutions
Reliable high availability database hosting for popular engines—high availability SQL Server hosting, MySQL HA hosting, and postgresql cluster high availability on server hosting you control, delivered by the same hosting provider team that runs our USA hosting platform.
Server customization: support changing to any other dedicated hostings. Price difference may apply.
High Availability Database Overview
A high availability database keeps your availability database online beyond standard SLAs by removing single points of failure, enabling automatic failover, and monitoring health continuously—core goals of every HA database hosting design we deliver on server hosting.
SQL Server Mirroring
SQL Server Mirroring improves high availability SQL Server hosting using Principal, Mirror, and Witness roles—the Principal handles read/write, the Mirror stays synchronized, and the Witness enables automatic failover when a node fails on your hosting cluster.
SQL Server Always On
Always On Availability Groups is enterprise high availability SQL Server hosting—databases fail over as a group for disaster recovery and uptime on server hosting, with an alternative to legacy mirroring for modern SQL Server releases.
MySQL Master-Slave Replication
MySQL HA hosting via master-slave replication: the master accepts writes, slaves serve reads, and separate data paths scale read traffic while keeping a synchronized copy for recovery and reporting on USA hosting infrastructure.
PostgreSQL Master-Slave Architectures
PostgreSQL HA hosting and PostgreSQL HA cluster designs use synchronized standbys and WAL streaming—postgresql cluster high availability with rapid failover and minimal data loss when the primary fails on dedicated server hosting.
High Availability Database Description
High availability ensures databases stay online beyond standard SLAs by eliminating single points of failure, enabling automatic failover, and continuously monitoring for issues—keeping services running even during outages or network disruptions.
SQL Server Mirroring
SQL Server Mirroring improves database availability using three roles: Principal, Mirror, and Witness. The Principal handles read/write operations, the Mirror maintains a synchronized copy, and the Witness enables automatic failover if a node fails.
SQL Server Always On
Always On Availability Groups is a high-availability and disaster recovery solution introduced in SQL Server 2012, offering an enterprise-level alternative to mirroring. It enables a group of databases to fail over together, maximizing availability and reliability.
MySQL Master-Slave Replication
MySQL Master-Slave Replication is a one-way setup where the master handles writes and slaves handle reads, enabling read scaling with separate data sources for write and read operations.
PostgreSQL Master-Slave Architectures
These architectures maintain a master database with one or more synchronized standby servers ready to take over if the master fails. Replication can occur via SQL statements or internal data changes; PostgreSQL uses WAL streams to keep standbys updated, enabling rapid failover with minimal data loss.
Pricing
Plan Pricing Details
Transparent, itemized pricing for your HA database hosting configuration—hardware and server hosting fees for high availability database hosting quoted by our USA hosting provider billing team.
| Item | Description | One-Time Fee | Monthly Fee | Notes |
|---|---|---|---|---|
| Cisco ASA5505 Firewall | Includes 10-user license, 8-port Fast Ethernet switch, stateful firewall, 10 IPsec VPN peers, 2 SSL VPN peers, 3DES/AES license, and 1 expansion slot | $39.00 | $99.00 | — |
| Dedicated Server | 1u Supermicro Super Server Quad-Core Xeon E5-1620v2 CPU 64GB RAM 2x960GB SSD RAID 1 + 2TB SATA Windows Server 2019 Standard Edition x64 | $0.00 | $537.00 | $179.00/each |
| Total | $39.00 | $636.00 | — |
FAQ
High Availability Database FAQs
Common questions about HA database hosting, high availability SQL Server hosting, MySQL HA hosting, and postgresql HA on server hosting from a USA hosting provider.
High availability in a database means uptime that exceeds normal SLAs. A high availability database removes single points of failure, fails over to a redundant node, and monitors for failures—so your availability database stays reachable during outages on HA database hosting built for production server hosting.
Database mirroring maintains two copies of a single database on different SQL Server instances—typically on separate server hosting nodes in USA hosting—supporting high availability SQL Server hosting when paired with a witness for automatic failover.
Mirroring keeps a synchronized copy of a whole database in another location. Replication copies selected data objects for distribution efficiency. Mirroring applies to the full database; replication targets objects such as tables or publications—both can appear in MySQL HA or SQL Server HA designs.
SQL Server Always On is Microsoft’s umbrella for high availability and disaster recovery—AlwaysOn Failover Cluster Instances (FCI) and Always On Availability Groups (AG). Availability groups let a set of user databases fail over together, a common high availability SQL Server pattern since SQL Server 2012.
Microsoft stated that database mirroring would be removed in a future SQL Server release. New HA database hosting projects on server hosting should plan for Always On Availability Groups instead of mirroring for long-term high availability SQL Server hosting support from your hosting provider.
Although marked deprecated, database mirroring remains available in SQL Server 2019 for legacy workloads. For new HA database hosting builds on USA hosting, Database Mart—a USA hosting provider—typically recommends Always On for high availability SQL Server hosting going forward.
Mirroring focuses on one database with synchronous or asynchronous partners. Always On availability groups fail over multiple databases together, support readable secondaries, and scale out read workloads—an enterprise alternative to mirroring for high availability SQL Server hosting and broader HA database hosting on server hosting clusters.
Resources
Related Articles
Useful resources about SQL Server mirroring, Always On, and high availability database hosting design—helpful when you evaluate dedicated server hosting and USA hosting options with our USA hosting provider team.
Database Mirroring Best Practices and Performance Considerations
Maximizing the availability of databases is on the top priority list for many database administrators worldwide...
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Read More →What is an Always On Availability Group?
Concepts for configuring and managing Always On availability groups in SQL Server...
Read More →Always On Availability Groups: High Availability and Disaster Recovery
An enterprise-level alternative to database mirroring for high availability SQL Server workloads...
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