Either a minimum of 256MB cache and battery kit or a minimum of 512MB BBWC/FBWC is required to enable RAID 5, 50, 6, 60. HP Smart Array Advanced Pack (SAAP 2.0) is no longer required to enable 6 & 60 (Advanced Data Guarding). However, controller must be in firmware version 4.68 (or later).

HPE Smart Array P420 Controller: Access product support documents and manuals, software, download drivers by operating environment, and view product support videos.

The HPE Smart Array P420 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise class, storage performance and data protection for select HPE ProLiant Gen8 rack servers and tower servers.

5 days ago · Long term data retention with flash back write cache (FBWC) offered as a standard feature, up to 2 GB capacity. Support for RAID 0/1, 10, 5, 50, and RAID 6 & 60. New predictive spare activation for improved rebuild and maximized uptime.

Dec 9, 2018 · On the P420 via ROM, for example, you can can add physical disks and create an array. On that array, you can create virtual disks. If you have the FBWC module, you can do online RAID migrations.

Flash-backed write cache (FBWC) uses flash devices to retain cache data and the energy pack to provide power during a power loss. The FBWC offers significant advantages over earlier BBWC systems.

Enabling Battery Backed Write Cache (BBWC) can deliver significant performance improvements while providing reliable, battery-backed protection for write cache data.

Observe the BBWC Status LED ("Battery pack LEDs" on page 28). o If the LED is blinking every 2 seconds, data is trapped in the cache. Restore system power, and then repeat the previous steps in this procedure. o If the LED is not lit, proceed with the next step.

HP Smart Array Controllers User Guide for P410, P411, P212, P222, P400, P420, P421, E500, P700m, and P711m models. Covers installation, configuration and troubleshooting.

OVERVIEW: The Flash Backed Write Cache (FBWC) uses NAND 6 flash devices to retain cache data and super-capacitors (super-caps) instead of batteries to provide power during a power loss. The FBWC offers significant advantages over the HP …