Disk Cache Configuration
For IO-intensive applications such as Primavera, select the writeback mode.
- none: This mode delivers an optimal compromise between native performance and data protection by circumventing the host cache, thus serving as the default selection for production environments and live migrations.
- writeback: Achieves peak performance by leveraging the host's RAM as a write buffer; however, there is a risk of substantial data loss should the host fail before synchronization completes.
- writethrough: Guarantees the highest level of data integrity by acknowledging each write operation only after it reaches the physical disk, albeit at the cost of notably reduced write performance.
A system restart is necessary for the new caching mode to take effect.