This time round, I am wrapping up everything. Here are some of the things I have done recently.
First, unclocking/unvolting your NAS system needs to be extremely careful. Processor and motherboard degrade gradually over time, so even when a minimum setting that works now, it might not work in the future. I have trouble booting up my system after letting it idle for so long. After debugging for hours, I came to the conclusion that it might be the bios setting. Switched off the undervolting settings, and voila, system all green. If you do not have time, please do not attempt the tweaking. After you define the minimal voltage, put it up 2 or 3 step, to ensure stability.
Second, I got confused in the past when I read Asrock's website regarding 3TB+ unlocker. The software is meant for 32 bit system which has a problem detecting only 2TB from disk greater than 2TB. The motherboard and freenas OS does support disk larger than 2TB. I purchased a 4TB drive, and it worked.
Third, try to avoid 3TB disk. Back then, 3TB disk were newly released in the market, and there are not much information regarding it. After researching about harddisk failure rate, 3 TB have high failure rate. If you don't have a lot of data, purchase 2TB disks, else get 4TB disks.
I will be getting five more 4TB disk and complete my system. The question here is, should I go for 2 separate RAID 5 volume or one single RAID 6 volume. BTW, RAID 50 is a bad idea.
Again, sorry for the lapse in this project. I did a search, my current setup is still available in the market, Hope this will help many DIYer in DIYing their NAS. :)
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