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