HP ProLiant DL380p Gen8 Server keep rebooting

[wesam_az]

I am new at this forum , hope to find answers to my questions

I have HP ProLiant DL380p Gen8 Server whaich is already configured to work as an email server and has database server ,application server and already installed ERP system  , suddenly and without any warning it keeps rebooting,

showing the following error messages during boot:

The following disk drive(s) are failed and should be replaced :

Port 1I: Box 2: Bays 1,2,3,4

then

Non-System disk or system error 

replace and strike any key when ready

Note 

RAID Configurations

RAID 1 -  BAY1 & BAY2

RAID 5 - BAY3 , BAY4 & BAY5

RAID 5 - BAY6 & BAY7

 screenshots of the errors already attached to this email

hope to help me out to solve this problem

[Jimmy Vance]

Please check all cables going to the drive backplane.  When rebooting, are there any visable lights active on the drives?

If the drives listed have all failed, all data on those arrays will be lost