Embedded Sata Raid: Two Sata Controllers; Embedded Sata Raid Controller - Cisco UCS C240 M4 Installation And Service Manual
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Embedded SATA RAID Controller
Embedded SATA RAID: Two SATA Controllers
The embedded RAID Patsburgh controller hub (PCH) is split into two controllers: SATA and sSATA
(secondary SATA). These two controllers are seen as separate RAID controllers in the Cisco IMC
interface and are configurable separately.
•
•
Table C-5
SATA
0—Front HDD 01
1—Front HDD 02
2—Front HDD 03
3—Front HDD 04
4—SSD internal boot drive
5—SSD internal boot drive
•
Figure C-2
•
•
Cisco UCS C240 M4 Server Installation and Service Guide
C-10
The first SATA controller controls front-facing drives 1–4; it can also control the two internal SATA
SSD boot drives (see
Table
The secondary sSATA controller controls front-facing drives 5–8 (see
SATA and sSATA Listing of Drives in LSI SW RAID Utilities
When configuring RAID groups, you cannot create a group that spans more than four drives.
The first SATA controller can control a RAID group of up to four drives, comprised of only front
–
drives 1–4 (see
Figure
–
The first SATA controller can also control a RAID 1 group of the two internal SATA boot drives.
The secondary sSATA controller can control a RAID group of up to four drives, comprised of
–
only front drives 5–8 (see
Embedded RAID Controller Drive Groups
HDD01
HDD02
HDD03
HDD04
HDD05
HDD06
HDD07
HDD08
PCH
SATA
sSATA
See
Enabling the Embedded RAID Controller in the BIOS, page C-12
the two SATA controllers.
Each controller is listed separately in the BIOS. You can select the boot order of the controllers in
the BIOS (use the Boot Options tab in the BIOS Setup Utility).
C-5).
sSATA
0—Front HDD 05
1—Front HDD 06
2—Front HDD 07
3—Front HDD 08
C-2).
Figure
C-2).
Appendix C
RAID Controller Considerations
Table
C-5).
for instructions on enabling
OL-32474-01
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