Friday, November 24, 2017

What is the Best RAID configuration for Hard Drives Varying in Sizes



We will be rebuilding our server to run Windows Server 2016, with Hyper-V for 1 domain controller and 1 more VM for a NAS + Web Server.




However, we must first decide on our RAID configuration before proceeding.



We currently have 7 HDD which total 19TB of storage in the following sizes:




  • 2 x 5TB

  • 4 x 2TB

  • 1 x 1TB




We have on-site and off-site replication so this RAID configuration's purpose will not be for a backup (as RAID is not a backup). What would be the most reliable and best way to install the Windows Server 2016 and RAID configure these drives of varying sizes?


Answer



Well, given what you've got there's not too much choice:



2x 5 TB in RAID1



4x 2 TB in RAID10



1x 1 TB as temp


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