If there was a 4 drives with hot replace, and lost one array drive and one replace, you should have a degraded, but still accessible from OS array. If two missing disks was both from array, you have no data, and no ways to restore. Here is a docs of controller
https://downloadcenter.intel.com/download/19462/Archived-documents-for-Intel-RAID-Controller-SRCZCR , document sw_install.pdf on page 114 contain some instructions of array statuses and repairing.
We also suggest replacing the drive that failed at first if the RAID array status is degraded as an extra mile. If not, we strongly recommend taking the drives to a data recovery center for assistance.