Supported Raid Controllers And Required Cables - Cisco UCS C220 M4 Installation And Service Manual

Supported RAID Controllers and Required Cables

Supported RAID Controllers and Required Cables

This server supports the RAID controller options and cable requirements shown in
Do not mix controller types in the server. Do not use the embedded MegaRAID controller and a hardware
Caution
RAID controller card at the same time. This combination is not supported and could result in data loss.
Table C-1 Cisco UCS C220 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 12G SAS PCIe
Modular HBA
Note: See also
Write-Cache Policy
for Cisco 12G SAS
Modular RAID
Controller, page C-3.
Cisco UCS RAID SAS PCIe
9300-8e HBA
Note: See also Cisco
UCS SAS 9300-8e
HBA Considerations,
page C-4.
1. Embedded RAID 5 support requires an optional RAID 5 key module.
2. SCPM = supercap power module (RAID backup unit).
Cisco UCS C220 M4 Server Installation and Service Guide
C-2
Server Version/
Maximum Drives Controlled
SFF 8-drives/no expander:
•
8 internal SATA drives
LFF 4-drives/no expander:
•
The embedded RAID
option is not available with
the large form factor
drives, 4-drive version of
the server at this time.
• SFF 8-drives/no expander:
8 internal drives
LFF 4-drives/no expander:
•
4 internal drives
SFF 8-drives/no expander:
•
8 internal drives
LFF 4-drives/no expander:
•
4 internal drives
• All server versions
8 external SAS+SATA
ports, controlling up to
1024 non-RAID external
drives
Appendix C
SCPM 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
RAID Controller Considerations
Table C-1.
Server Version/Required Cables
SFF 8-drives/no expander:
•
(UCS-220CBLSR8=)
LFF 4-drives/no expander:
•
Not supported.
• SFF 8-drives/no expander:
( )
UCS-220CBLMR8=
LFF 4 drives/no expander:
•
( )
UCS-220CBLMR4=
SFF 8 drives/expander:
•
( )
UCS-220CBLMR8=
LFF 4 drives/no expander:
•
( )
UCS-220CBLMR4=
• External drive cables are
not sold by Cisco.
OL-32473-01