>(no fake raid, but real hardware RAID)
Implying that software RAID is "fake"?
Says a lot about you and your company.
Let me explain to you what Fake RAID is.
Hardware RAID - Hardware RAID controllers usually are sold as separate cards which you plug into your server. They
do NOT require your computer processor resources , the BIOS can boot from them, and tighter integration with the device driver may offer better error handling.
Fake RAID - Hardware RAID controllers usually are sold as separate cards which you plug into your server. They
do require your computer processor resources, the BIOS can boot from them.
They are simply multi-channel disk controllers combined with special BIOS configuration options and software drivers to assist the OS in performing RAID operations. This gives the appearance of a hardware RAID, because the RAID configuration is done using a BIOS setup screen, and the operating system can be booted from the RAID
Software RAID - Software RAID are provided by operating system itself, all calculation happen on computer CPU.
Here is good article which may offer better explanation on Fake RAID subject:
http://www.servethehome.com/difference-hardware-raid-hbas-software-raid/
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Added after 9 minutes:
If you have a single 4TB hard disk, then why the need for "real hardware raid" ?
No, it's a mistake, we actually have four HDD, thank you for pointing out!
