To power on a Huawei OceanStor Dorado 6000 storage system, you only need to press the power button once. Holding down the power button for more than 5 seconds is used to power off the system, not to power it on. Therefore, the statement that "you must hold down the power button for more than 5 seconds to power on the system" is false.
Once the power button is pressed, the power indicator on the controller enclosure will blink green, indicating that the system is starting up. The entire power-on process may take 15 to 30 minutes to complete.
It's important to note that during the power-on process, the controller enclosure will automatically power on the connected disk enclosures. However, if the power button is held down for more than
5 seconds during this process, the system will power off instead of continuing the startup sequence.
In summary, to power on the Huawei OceanStor Dorado 6000 storage system, simply press the power button once and allow the system to complete its startup process.

Logging in to DeviceManager usually does not require specifying the port number if the default HTTPS port (443) is used; omitting the port does not cause login failure. Additionally, CLI command keywords are typically shown in uppercase or standard font, not bold, and parameters are not necessarily italicized - these formatting styles depend on documentation and are not enforced in the CLI itself.

Asynchronous remote replication batches data changes and applies them at scheduled intervals rather than waiting for immediate confirmation from the remote site, which avoids blocking host I/Os and reduces the latency impact on primary services.

RAID 6 supports dual parity, allowing two disk failures.