SBS impacts

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Stimulated Brillouin scattering (SBS) occurs when the transmit power of a wavelength reaches a specified level. The SBS effect seriously affects the optical transmission performance. Huawei WDM equipment suppresses SBS by increasing the spectral width of the bias signal of the laser.
Only 2.5G and 10G signals requires SBS suppression. SBS suppression is not required for 40G and 100G coherent signals because of their large spectral widths.

Other related questions:
Impact of resetting the server BMC
Resetting the BMC will not affect services.

Impact of power failure on server data
Data on the RAID controller cards and hard disks will not be lost if a server is powered off unexpectedly. However, if the power cannot be resorted within 72 hours, data stored on the RAID controller card may be lost.

Impact of CPU hyper-threading
Enabling CPU hyper-threading allows the system to identify more number of CPU cores than the actual physical CPU cores.

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