The Latest Gartner® Magic Quadrant™Hyperconverged Infrastructure Software
Moderators: anton (staff), art (staff), Max (staff), Anatoly (staff)
Write-back cache is dangerous when all hosts are unexpectedly shut down at the same time. At the VM level, unexpected shutdowns always have potentially hazardous effects over the file system.boby wrote:Are the dangers of power failure / unclean shutdown only at hardware level or is write-back dangerous in unclean shutdowns / poweroffs at VM level too
Best safety option: write-through cache, only reads are cached;boby wrote: What is the ideal caching in our scenario to achieve an ideal performance vs safety trade off?