Hello, I have a HP Proliant DL380 G5 server with P400 Array Controller. Right now it has 3 SAS HDD's 147GB each configured as RAID5. I am running out of space. Is it possible to install 4 new 300GB HDD's to form another RAID 5 to get 900GB additional space while keeping the existing 3x147 alive?
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As long as you have 4 available ports, then yes, this is possible.