where
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
is the 33-character asset tag number of the compute
node.
Configuring a RAID array
Use this information to configure a RAID array.
The procedures below describe how to configure a RAID array on your compute node. RAID level-0 (striping)
can be configured on a compute node with a single hard disk drive installed. A minimum of two disk drives
must be installed to implement and manage RAID level-1 (mirror) arrays in operating systems that are listed
on the ServerProven® list at http://www.lenovo.com/ serverproven/. Each drive must have the same type of
interface and speed and if drives of differing capacity are used, the controller will treat them all as if they
have the capacity of the smallest drive.
All models come with an integrated IBM ServeRAID C105 controller. If you selected a model that includes
the IBM ServeRAID M1135 controller expansion card, when this card is installed, intergrated ServeRAID
C105 controller is disabled.
Step 1.
To configure a software RAID array using the integrated IBM ServeRAID C105 controller, go to
“Creating an array using the integrated ServeRAID C105 controller” on page 33
Step 2.
To configure the optional IBM ServeRAID H1135 controller, go to “Creating an array using the
optional ServeRAID H1135 controller” on page 35
Step 3.
To configure another optional ServeRAID controller, refer to the documentation provided with
the option for instructions.
Creating an array using the integrated ServeRAID C105 controller
Use these instructions to configure a software RAID array on the Flex System x220 Compute Node using the
integrated ServeRAID C105 controller.
Important:
You must create the software RAID array
before
you install the operating system on the compute
node.
The ServeRAID C105 is an integrated function of the system board, no additional hardware is required. You
cannot enable or disable the ServeRAID C105 controller using the Setup utility. The ServeRAID C105
controller is always enabled in the x220 compute node, unless an optional RAID controller is installed. You
can use the Setup utility to configure the controller, configure drive groups and virtual drives, and to perform
other configuration tasks in a pre-boot environment. The ServeRAID C105 takes control of all devices that
are connected to the system board SATA ports.
To create a software RAID array using the integrated ServeRAID C105 controller, complete the following
steps.
Step 1.
Start the compute node Setup utility. See “Using the Setup utility” on page 24 for instructions.
Step 2.
Under
System Settings
, select
Storage
.
The following illustration shows the Setup utility main menu.
.
33
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