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== VMware Server Virtual Disk Caching Options ==
The disk write caching policy for virtual disks defines the point at which new data is written to the virtual disk (as opposed to being cached in memory before being written) by the guest operating system. These settings have implications for performance, with increased performance being available at the cost of data integrity. A choice of two policy options are is available:
* '''Optimize for safety''' - Data is not cached. Write operations made by the guest operating system are written immediately to the virtual disk image. Reduces risk of data loss in the event of a system failure, but results in slower disk write performance.
