Lenovo 7Y45, Руководство по установке

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http://sysmgt.lenovofiles.com/help/topic/com.lenovo.systems.management.xcc.doc/NN1ia_c_
manageserverfirmware.html
Memory configuration
Memory performance depends on several variables, such as memory mode, memory speed, memory ranks,
memory population and processor.
More information about optimizing memory performance and configuring memory is available at the Lenovo
Press website:
https://lenovopress.com/servers/options/memory
In addition, you can take advantage of a memory configurator, which is available at the following site:
http://1config.lenovo.com/#/memory_configuration
For specific information about the required installation order of memory modules in your server based on the
system configuration and memory mode that you are implementing, see “DIMM installation rules” on page
64.
RAID configuration
Using a Redundant Array of Independent Disks (RAID) to store data remains one of the most common and
cost-efficient methods to increase server's storage performance, availability, and capacity.
RAID increases performance by allowing multiple drives to process I/O requests simultaneously. RAID can
also prevent data loss in case of a drive failure by reconstructing (or rebuilding) the missing data from the
failed drive using the data from the remaining drives.
RAID array (also known as RAID drive group) is a group of multiple physical drives that uses a certain
common method to distribute data across the drives. A virtual drive (also known as virtual disk or logical
drive) is a partition in the drive group that is made up of contiguous data segments on the drives. Virtual drive
is presented up to the host operating system as a physical disk that can be partitioned to create OS logical
drives or volumes.
An introduction to RAID is available at the following Lenovo Press website:
https://lenovopress.com/lp0578-lenovo-raid-introduction
Detailed information about RAID management tools and resources is available at the following Lenovo Press
website:
https://lenovopress.com/lp0579-lenovo-raid-management-tools-and-resources
Upgrading from Software RAID to Hardware RAID
Use the information in this section to upgrade from software RAID to hardware RAID.
In general, when upgrading from software RAID to hardware RAID, you will additionally need to purchase the
Thinksystem ST250 Hardware RAID Cable Kit. Note that the upgrade scenarios will be different if a second
disk cage and backplane has been installed. See the following table for details.
•
Software RAID to Hardware RAID
Chapter 4
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System configuration
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