? Disaster protection: Offers quick recovery against site- and region-wide incidents.

? Individual disk access: Each disk or set of disks in the mirror can be accessed separately for reading purposes.

Although mirroring is essential to ensuring high availability of data, it's not a complete data protection solution by itself. Mirroring is ineffective if the data is corrupted. For example, a virus might corrupt or erase data, or a user might accidentally delete data. This is why data protection in the form of regular backups is also necessary for file-level protection.

Advice for IT

When SMBs decide to implement clustering and mirroring as part of a healthy high availability solution and business continuity/disaster-recovery  plan, it should be managed seamlessly to maximize the benefits. Consider the following: