Whether replacing server NICs affects services

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NIC replacement will cause the MAC address change, and services related to the MAC address will be affected.

Other related questions:
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.

Whether replacing server DIMMs affects services
Power off the server before you replace DIMMs. When the device is powered off, data in DIMMs will be written into disks and will not get lost. Therefore, DIMM replacement does not affect services nor data.

Whether replacing server mainboards affects services
Power off the server before you replace the mainboard. Mainboard replacement does not affect services.

Whether replacing server RAID controller cards affects services
Power off the server before you replace a RAID controller card. RAID controller card information consists of two parts: one part stored in the RAID controller card, and the other part stored on disks. After RAID controller card replacement, the system only needs to re-read RAID information from disks, and services and data are not affected.

Replacement of onboard NIC
The on-board NICs of certain servers, such as RH2285 V2 and RH2288 V2, are integrated on the mainboard. If you want to replace the on-board NIC, you must replace the mainboard. The on-board NICs of certain servers, such as all V3 servers, RH2285H V2, RH2288H V2, RH5885 V2, and E9000, can be replaced independently. For details, see the user guide of your server model.

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