Whether services are impacted when BBUs of storage devices are replaced

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Services are not impacted when BBUs are replaced. After the replacement, it is normal that another BBU orange light is on.

Other related questions:
Whether replacing server NICs affects services
NIC replacement will cause the MAC address change, and services related to the MAC address will be affected.

Impact of the replacement of coffer disks on the functionality of the operating system running in the storage system
Impact of the replacement of coffer disks on the functionality of the operating system running in the storage system: None. The operating system configurations of a storage system are saved in the Flash cards of controllers. Coffer disks are used to save the configuration data, events, and logs of the storage system. The replacement of coffer disks does not affect the operating system of the storage system, but the original configuration data, events, and logs will be lost.

Common configuration commands of S series switches for Ethernet features of other vendors
The followings are common configuration commands of S series switches (except the S1700) for Ethernet features of other vendors: 1. Configure the STP mode. [HUAWEI] stp mode stp 2. Disable MAC address learning - Disable MAC address learning on an interface. [HUAWEI] interface gigabitethernet 1/0/1 [HUAWEI-GigabitEthernet1/0/1] mac-address learning disable - Disable MAC address learning on a VLAN [HUAWEI] vlan 2 [HUAWEI-vlan2] mac-address learning disable 3. Configure a blackhole MAC address. [HUAWEI] vlan batch 5 [HUAWEI] mac-address blackhole 0004-0004-0004 vlan 5 For other configuration commands, refer to Common Operation Guide.

Whether replacing server CPUs affects services
Power off the server before you replace CPUs. System information and files are stored on disks. After a CPU is replaced, and the system is powered on and restarted, the system automatically loads the CPU driver and identifies the CPU. Therefore, CPU replacement does not affect services nor data.

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