CH121 V3 installation and removal

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Install or remove the CH121 V3 by referring to the CH121 V3 Compute Node V100R001 User Guide: http://support.huawei.com/enterprise/en/doc/DOC1000053376/?idPath=7919749%7C9856522%7C21782478%7C19955021%7C21070741

Other related questions:
Powering on an E9000
Power on an E9000 server as follows: ? If the E9000 chassis is not powered on, connect the power cables to the mains supply. The blades, switch modules, and management modules will be powered on with the chassis. ? If the chassis is powered on but the blades, switch modules, and management modules are not installed, install the modules. These modules will be automatically powered on after being installed. ? In routine maintenance, power on or off the blades or switch modules on the MM910 Web interface. For details, see http://support.huawei.com/ehedex/pages/DOC1000053358YEF0907R/08/DOC1000053358YEF0907R/08/resources/en/osca/smma_help_r2/it_osca_smma_900020.html.

BIOS password complexity
The server BIOS password must meet the following complexity requirements: ? Contain 8 to 16 characters ? Contain at least a space or one of the following special characters: `~!@#$%^&*()-_=+\|[{}];:'",<.>/? ? Contain at least two types of the following characters: ? Uppercase letters A to Z ? Lowercase letters a to z ? Digits 0 to 9 ? Cannot be duplicate with the last five passwords that were recently used.

Installing OS on a server
Use the Huawei Server Compatibility Checker (http://support.huawei.com/onlinetoolsweb/ftca/en) to check the OS supported by the server. For details about the OS installation methods (using ServiceCD, DVD-ROM drive, image, and PXE), see OS Installation Guide. For details about the OS installation cases (including centOS, Citrix, Debian, Fedora, FreeBSD, Kylin, Oracle Linux, RedFlag, RedHat, Rocky, Solaris, SUSE, Ubuntu, VMware ESXi, and Windows), see http://support.huawei.com/huaweiconnect/enterprise/thread-286397.html.

Impact of removing and installing hard disks without powering off the server
1. LSISAS2208 RAID controller card: If no hot spare disk is configured, the RAID controller card can rebuild data on a new hard disk installed online to replace a faulty hard disk. (The new hard disk must be of the same specifications as the faulty hard disk.) However, if you remove and reinstall a hard disk that is not faulty, the LSISAS2208 RAID controller cannot identify the data on the hard disk. 2. LSISAS2308 RAID controller card: If you remove and install a hard disk without stopping services, the LSISAS2308 RAID controller card can identify data on the hard disk no matter whether the hard disk is new or not.

Default user name and password of the E9000 BMC
The iMana or iBMC of the E9000 blade is not configured with a default IP address. The default user name and password are as follows: Default user name: root Default password: Huawei12#$

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