emrepolat7

Hi Guys;
I am playing with unraid for last two days. I really enjoyed it and have some questions. First let me tell you about my setup.
•    HPE ML110 Gen10 4208
•    HPE Smart Array P408i-p SR Gen10 
•    64 GB Ram
•    3 x 4TB SATA HD
With using HPE Smart Storage, I have created raid 5 logical storage drive. I installed unraid trial version. Unraid detected my hard drive as one 8TB logical drive. I have zero problems with installing vm (macos, windows, linux)  docker, apps vs so on. 
My questions are;
1) With this setup I do not have any Parity disk. Is this going to be a problem? Since I have a hardware raid 5, I believe all my data should be fine against any hard disk failure.
2) In the future, I believe I can add more disk to my Raid 5 Storage. Is it so?
3) is there any things that I should be careful about this setup?
Any recommendation are welcomes...