Traditional high-availability solutions are costly, hard to implement and difficult to manage. With VMware vSphere, you can increase the baseline level of availability for all your applications and ensure service level agreements are met. Slash planned downtime, prevent unplanned downtime and recover rapidly from outages as you:
- Eliminate planned downtime for common maintenance operations
- Provide higher availability independent of hardware, operating system, and applications
- Recover rapidly from server failures with automatic restart of systems
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Slash Planned Downtime
Planned downtime, including hardware maintenance, server migration, and firmware updates, typically accounts for over 80% of datacenter downtime. VMware vSphere lets you move workloads dynamically to different physical servers so server maintenance can be performed without downtime or service interruption. Perform maintenance at any time without disrupting users and services and eliminate the need for planned downtime for common maintenance operations.
Prevent Unplanned Downtime
VMware vSphere builds important fault tolerance capabilities into your datacenter infrastructure transparent to operating systems and applications running in virtual machines. You can easily configure these features to be used by all the virtual machines on a physical system, reducing the cost and complexity of providing higher availability. Key built-in fault-tolerance capabilities include:
- Network interface teaming provides tolerance of individual network card failures
- Storage multi-pathing tolerates storage path failures
- VMware Fault Tolerance features zero downtime, zero data loss continuous availability in the face of server hardware failures for any application running in a virtual machine
Ensure Rapid Recovery from Outages
Because VMware virtual machines are hardware-independent and can share physical resources, failover can be deployed without requiring dedicated, identical standby hardware and the added complexity of maintaining identical configurations. For server failures, VMware High Availability (HA) ensures rapid, automated restart of virtual machines. VMware HA automatically and intelligently restarts affected virtual machines on production servers.
Leverage third-party clustering software inside VMware virtual environments by clustering virtual machines with other virtual machines or clustering physical machines with other physical machines. VMware vSphere lets you implement clustering without requiring the cost of identical servers, without the complexity of rebuilding clustering when physical hardware changes, and without the difficulty associated with testing clustering of physical systems.
