Qsan XCubeSAN XS5224D, Руководство владельца оборудования

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System Components Overview
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Figure 2-13 The Cache-to-flash Module – BBM (Battery Backup Module) Pack
Figure 2-14 The Cache-to-flash Module – SCM (Super Capacitor Module) Pack
2.7.1. Mechanism of Cache Data Protection
The following image is the working sequence of QSAN Cache-to-Flash workflow.
Figure 2-15 Cache-to-Flash Workflow
Cache-to-Flash technology will first flush CPU cache to memory RAM, then flush memory
RAM to M.2 flash module to maintain the upmost data consistency. It leverages the
strength of both BIOS and CPU to quickly backup memory RAM data to the flash module. In
order to quickly move data from memory RAM to flash module, M.2 PCI‐Express interface