Specifications

Cisco UCS C240 M4 High-Density Rack Server (Small Form Factor Disk Drive Model)
CONFIGURING the SERVER
33
(2) Systems Using Boot Drives
■ If you are configuring a 24-drive backplane system that uses SATA SSD boot drives, choose up
to two identical boot drives from
Table 12 on page 32.
Caveats
■ You can mix SATA and SAS drives when using the Cisco 12G SAS Modular RAID Controller.
■ You can mix HDDs and SSDs as long as you keep all HDDs in their own RAID volume and all
SSDs in their own RAID volume
NOTE: The two SATA SSD boot drives are supported only on the 24-drive backplane
chassis version. The drives are managed in AHCI mode, using OS-based software
RAID. These two drives, managed with OS software RAID, can coexist with drives
managed by either embedded RAID or a Cisco 12G SAS modular RAID controller. The
drives are cabled directly to the SATA boot drive connectors on riser card 1 (option 3)
and mounted inside the chassis. The internal boot drives come mounted to their own
unique internal drive sleds, which are different from the front loading
hot-swappable drive sleds. See
Riser Card Configuration and Options, page 70.