I don't know if it's SAN specific, but while waiting for XPoint, several vendors went to battery-backed DRAM. They confirm writes when in RAM, then whenever pow

I don't know if it's SAN specific, but while waiting for XPoint, several vendors went to battery-backed DRAM. They confirm writes when in RAM, then whenever power is lost all RAM is dumped to flash, then loaded back up on boot: https://en.wikipedia.org/wiki/NVDIMM https://en.wikipedia.org/wiki/NVDIMM Fortunately XPoint should solve this.