For someone that has just lost YEARS of data, you're pretty calm about the whole situation!
I want to update the firmware, but am in fear of having the same issue as you.
Nah - that's the hallmark of a true professional who has acknowleged that
he was the one that screwed up - he made a concious choice to put his data at risk when he removed the first drive from the RAID array. Sure the hardware didn't do what it should, but, even if it was 100% bug free, he could have had a disk failure and lost the data.
Yes - a firmware upgrade could cause a loss of data - it's not supposed to, but it can and does happen, so you can sit on the fence and dither or you can backup your data and then upgrade, or you can take the chance and upgrade without a backup - end of the day, it's your data, it's your responsibility.
There are two types of people - those who have lost data, and those who will