A RAID is a group of independent physical disks that provides high performance by increasing the number of drives used for saving and accessing data. A RAID disk subsystem improves I/O performance and data availability.
The Dell Server E-Support Tool (DSET) allows you to generate a complete report with your system's configuration and logs. It will provide a good overview on the system's health including the logs from the Dell PowerEdge RAID controller to troubleshoot HDD or RAID related issues.
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