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How to configure Hardware Raid on Dell Server

In this article we are going to configure hardware raid on the Dell server PowerEdge R510 with 12 disks and PowerEdge Raid Controller (PERC) H700 internal integrated ??????Dell PowerEdge R510 :
Before going to the configuration lets see some basic about Hardware Raid :

– Hardware
– Raid is important for a system performance Its offload the CPU task like
– calculation of RAID parities and ??I/O processes
– PERC H700 offer 512MB cache memory with Battery Backup Unit ??that’s why It has a default??Write Back Cache Policy
– Writes are cached to the raid controller’s RAM and in the event of power loss BBU saves pending writes and cached data
– BBU also offers faster rebuilds and higher write throughput