CH121 installation and removal

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Install or remove the CH121 by referring to the CH121 Compute Node V100R001 User Guide: http://support.huawei.com/enterprise/en/doc/DOC1000015888/?idPath=7919749%7C9856522%7C21782478%7C19955021%7C19961662

Other related questions:
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#$

Impact on the system if the RAID0 drive is removed
A RAID 0 array stores data on multiple hard drives, which allows data requests to be concurrently processed on the hard drives. However, RAID 0 provides no redundancy or fault tolerance. The failure or removal of one drive will cause the entire array to fail.

Whether an E9000 blade is configured with a default BMC IP address
An E9000 blade is not configured with a default BMC IP address. To log in to the management WebUI of a blade, you need to configure the BMC IP address for the blade first. You can log in to the WebUI of the MM910 and configure the iBMC (iMana) IP address of a blade. For details, see Management Modules > MM910 Management Module User Guide > WebUI Overview (Software Version Is (U54)2.20 or Later) > Chassis Settings in the product documentation. http://support.huawei.com/ehedex/hdx.do?docid=DOC1000053358&lang=en&idPath=7919749%7C9856522%7C21782478%7C19955022%7C19961380&clientWidth=1729&browseTime=1456665583989

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