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.
V2 rack server health indicator status description:
? Steady green: The server is operating properly.
? Blinking red at 2 Hz: A major alarm is generated.
? Blinking red at 4 Hz: A critical alarm is generated.
The four NICs of the RH2288 V2 are GE NICs on the mainboard while the NICs of the RH2288H V2 are flexible NICs. The number of PCIe slots on riser cards is also different.
The RH2288E V2 supports holding guide rails for installation. For details, see their respective user guide.
If you have more questions, you can seek help from following ways: