Lenovo System x3550 M3 Problem Determination And Service Manual page 539

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The integrated SAS/SATA controller with RAID capabilities supports RAID arrays. You can use the LSI
Configuration Utility program to configure RAID 1 (IM), RAID 1E (IME), and RAID 0 (IS) for a single pair of
attached devices. If you install the optional ServeRAID-MR10i SAS/SATA controller, it provides RAID levels 0,
1, 5, 6, 10, 50, and 60 support. If you install a different type of RAID adapter, follow the instructions in the
documentation that comes with the adapter to view or change settings for attached devices.
In addition, you can download an LSI command-line configuration program from
.
supportportal/
When you are using the LSI Configuration Utility program to configure and manage arrays, consider the
following information:
• The integrated SAS/SATA controller with RAID capabilities supports the following features:
– Integrated Mirroring (IM) with hot-spare support (also known as RAID 1) Use this option to create an
integrated array of two disks plus up to two optional hot spares. All data on the primary disk can be
migrated.
– Integrated Mirroring Enhanced (IME) with hot-spare support (also known as RAID 1E) Use this option to
create an integrated mirror enhanced array of three to eight disks, including up to two optional hot
spares. All data on the array disks will be deleted.
– Integrated Striping (IS) (also known as RAID 0) Use this option to create an integrated striping array of
two to eight disks. All data on the array disks will be deleted.
• Hard disk drive capacities affect how you create arrays. The drives in an array can have different
capacities, but the RAID controller treats them as if they all have the capacity of the smallest hard disk
drive.
• If you use an integrated SAS/SATA controller with RAID capabilities to configure a RAID 1 (mirrored) array
after you have installed the operating system, you will lose access to any data or applications that were
previously stored on the secondary drive of the mirrored pair.
• If you install a different type of RAID controller, see the documentation that comes with the controller for
information about viewing and changing settings for attached devices.
Starting the LSI Configuration Utility program
Use this information to start the LSI Configuration Utility program.
To start the LSI Configuration Utility program, complete the following steps:
Step 1.
Turn on the server.
Note: Approximately 20 to 40 seconds after the server is connected to power, the power-control
button becomes active.
Step 2.
When the prompt <F1 Setup> is displayed, press F1. If you have set an administrator password, you
are prompted to type the password.
Select System Settings ➙ Adapters and UEFI drivers.
Step 3.
Step 4.
Select Please refresh this page on the first visit and press Enter.
Step 5.
Select LSIcontroller_driver_name Driver and press Enter, where controller_driver_name is the name
of the SAS/SATA controller driver. For the SAS/SATA controller driver name, see the
documentation that comes with your controller.
Step 6.
To perform storage-management tasks, follow the procedures in the documentation that comes
with the SAS/SATA controller.
When you have finished changing settings, press Esc to exit from the program; select Save to save the
settings that you have changed.
http://www.ibm.com/
.
Chapter 6
Configuration information and instructions
527

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