Lenovo 7X15, Руководство по установке

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To enable passphrase, go to
Security
➙
Press to Enable Security
.
– Secure Erase
Note:
If the DCPMMs to be secure erased are protected with a passphrase, make sure to disable
security and reboot the system before performing secure erase.
Secure erase cleanses all the data that is stored in the DCPMM unit, including encrypted data. This
data deletion method is recommended before returning or disposing a malfunctioning unit, or changing
DCPMM mode. To perform secure erase, go to
Security
➙
Press to Secure Erase
.
Alternatively, perform platform level secure erase with the following command in OneCLI:
onecli.exe config set IntelOptaneDCPMM.SecurityOperation "Secure Erase Without Passphrase" --imm
USERID:PASSW0RD@10.104.195.86
•
DCPMM Configuration
DCPMM contains spared internal cells to stand in for the failed ones. When the spared cells are exhausted
to 0%, there will be an error message, and it is advised to back up data, collect service log, and contact
Lenovo support.
There will also be a warning message when the percentage reaches 1% and a selectable percentage
(10% by default). When this message appears, it is advised to back up data and run DCPMM diagnostics
(see the “Running diagnostics” section in the Lenovo XClarity Provisioning Manager documentation
version compatible with your server at
https://sysmgt.lenovofiles.com/help/topic/lxpm_frontend/lxpm_
product_page.html
). To adjust the selectable percentage that the warning message requires, go to
Intel
Optane DCPMMs
➙
DCPMM Configuration
, and input the percentage.
Alternatively, change the selectable percentage with the following command in OneCLI:
onecli.exe config set IntelOptaneDCPMM.PercentageRemainingThresholds 20 --imm USERID:PASSW0RD@10.104.195.86
Where
20
is the selectable percentage.
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
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ThinkSystem SN850 Compute Node Setup Guide