Ultra fast hard disks (12 GB/s)
Since I use virtualisation a lot for my business site, I opted for SAS hard drives to benefit from a transfer rate of 12 GB/s instead of 6 GB/s (for SATA hard drives).
IMPORTANT: this requires the use of a SAS controller for them to boot.
In my case I used a "Microsemi Adaptec SmartRAID 3154-8i" controller, but you can also use a SAS HBA controller available from the same manufacturer if you wish.
Another important point is that SAS hard drives are designed to run 24 hours a day and not to be stopped and restarted too frequently.
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