One customer has got a Dell server with 16 x 1TB 7.2k Near Line SAS 2.5 HDD and the server will be configured according to my opinion. I cannot change specs as the order is already given.
I want to have 2 different hard drive partitions. I need the data to be recoverable while getting the most speed possible. I am normally a software developer but I need to tell the IT guys to make a specific RAID configuration.
My plan is to have a RAID6 configuration per 8 disks, so I will have 6TBx2 storage with a good two disk failure recovery. But I don't know if this setup would have downsides about speed or any other thing like recovery time after failure etc. Also my opinion is not based on previous experience but some tutorials/forum posts online.
rm -f -r *
...) After all that, use a power-of-two number of data disks for any RAID-5/6 arrays, and adjust the segment/stripe size such that your fundamental write (file system or database block size) will match the size needed to write across all data disks and no more. Then align your partitions.