Recently we bought Intel Server System based on Intel S2600CP MB. Also we acquired Intel hardware RAID card RMS25PB080. I created four RAID 1 Virtual drives on this RAID card. The physical drives are:
2 Intel 530 Series 240 GB SSDs for Drive 1
2 Intel 530 Series 480 GB SSDs for Drive 2
2 Western Digital R4 1 TB HDDs for Drive 3
2 Western Digital R4 3 TB HDDs for Drive 3
Unfortunately one of these drives is always offline because of:
"The disk is offline because it has a signature collision with another disk that is online"
If I manually change the signature of the disc (With diskpart utility), after restart the collision is back. If I remove this disc, collision occurs with another disc. The conflicting disc always have the same disk signature as System Boot C: disk.Finally I removed the RAID card and plugged the physical drives directly to SATA ports of the MB and reinstalled OS. This did not help either and the collision was there again! I have no idea what to do with this problem and what is the real cause of the collisions. But I have suspicion that there could be something to do with BIOS settings. Maybe there are any special considerations about BIOS Settings when hardware RAID card is used. Or maybe there are any special settings or operations with RAID card to avoid disk signature conflicts.
OS is Windows Server 2012 R2.
Any suggestions please!