Supported Raid Controllers And Required Cables - Cisco UCS C240 M4 Installation And Service Manual

Supported RAID Controllers and Required Cables

Supported RAID Controllers and Required Cables

This server supports the RAID controller options, cable requirements, and RAID backup units shown in
Table
In a SFF 8-drive server, do not use the embedded software RAID controller and a hardware RAID
Caution
controller card to control the front-facing drives at the same time. This combination is not supported and
could result in data loss. You can use the embedded software RAID controller to control internal SSD boot
drives (SFF 24-drive and LFF 12-drive server versions only) while you use a hardware RAID controller
card to control the front-facing drives.
See
Note
controller support by server version and drive type.
Table C-1 Cisco UCS C240 M4 RAID Options
Controller Style
Embedded RAID On
(PCH SATA) board
Cisco UCS 12G SAS PCIe
Modular RAID
Controller
This controller can be
ordered with modular
flash-based write
cache (FBWC)
options: 512 MB,
1 GB, 2 GB, or 4 GB.
Cisco UCS SAS PCIe
9300-8i HBA
Note: See also Cisco
UCS SAS 9300-8i and
9300-8e HBA
Considerations,
page C-3.
Cisco UCS SAS PCIe
9300-8e HBA
Note: See also Cisco
UCS SAS 9300-8i and
9300-8e HBA
Considerations,
page C-3.
1. Embedded RAID 5 support requires an optional RAID 5 key module.
2. SCPM = SuperCap power module (RAID backup unit). See
Cisco UCS C240 M4 Server Installation and Service Guide
C-2
C-1.
Support Matrix For Cisco UCS C240 M4 Server RAID Controllers, page C-3
Supported Server Version/
Maximum Front-Facing Drives
Controlled
• SFF 8-drives/no expander:
8 internal SATA drives
• SFF 8-drives/no expander:
8 internal drives
• SFF 16-drives/expander:
16 internal drives
• SFF 24-drives/expander:
24 internal drives
LFF 12-drives/expander:
•
12 internal drives
SFF 24-drives/expander:
•
24 internal drives
LFF 12-drives/expander:
•
12 internal drives
• All server versions
8 external SAS+SATA
ports, controlling up to
1024 non-RAID external
drives
RAID Backup Units, page
Appendix C
SCP
M RAID Levels
1
No 0, 1, 5 , 10
2
Yes Variable by cache
size:
• No cache:
0, 1, 10
512MB cache:
•
0, 1, 5, 10, 50
1GB, 2GB, or
•
4GB cache:
0, 1, 5, 6, 10, 50,
60
No Non-RAID
No Non-RAID
C-5.
RAID Controller Considerations
for information about
Required Cables
• SFF 8-drives/no expander:
Cable and required SATA
interposer board bundled as
UCSC-IP-PCH-C240M4=
• SFF 8-drives/no expander:
( )
UCS-240CBLMR8=
• SFF 16 drives/expander:
( )
UCS-240CBLMR16=
• SFF 24 drives/expander:
( )
UCS-240CBLMR24=
LFF 12 drives/expander:
•
( )
UCS-240CBLMR12=
SFF 24 drives/expander:
•
( )
240CBLHBA24=
LFF 12 drives/expander:
•
( )
240CBLHBA12=
• External drive cables are not
sold by Cisco.
OL-32474-01