Use of DIMMs, CPUs, and hard disks not provided by Huawei

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The self-purchased components (such as DIMMs, CPUs, and hard disks) or components removed from other vendors' servers cannot be used in Huawei servers.

Other related questions:
Vendors of hard disks used on Huawei servers
Huawei servers use hard disks provided by Seagate and Western Digital. You can query vendors of hard disks at the following website: http://support.huawei.com/onlinetoolsweb/ftca/en Hard disks of the same BOM code may be provided by different vendors. Ports of hard disks from different vendors may vary. However, the variance does not affect hard disk functions. Hard disks of the same BOM code from different vendors can be used together.

Hard disks on Huawei servers and storage devices
The hard disks on Huawei servers and storage devices cannot be used interchangeably.

Precautions for the use of USG6000 hard disks
The precautions on the use of USG6000 hard disks are as follows: 1. Precautions on hard disk replacement/capacity expansion Note: Precautions on the use of hard disks a. Use Huawei hard disks. The system cannot recognize the hard disks provided by other vendors. b. Before replacing a hard disk unit, run the disk offline command in the system view. Wait for about 30 seconds until the system displays that the hard disk stops working and then remove the hard disk unit. If you remove and insert a hard disk without running the disk offline command first, the hard disk may be damaged, data in the hard disk may be lost, or the system may stop responding to services. a. Powering off the USG interrupts services. Install or replace the hard disks during off-peak hours. d. Wear an ESD wrist strap to protect the USG and hard disks from electrostatic damage. e. Hold the two side surfaces of a hard disk, do not touch the PCB board or squeeze the hard disk, and do not vibrate, bump, or stack hard disks. f. Put the hard disks inside ESD bags when they are not used. 2. Replacing the hard disk If a hard disk is faulty (for example, a hard disk failure log is generated on the USG), you can replace the hard disk unit. The hard disk unit can be replaced no matter when the device is powered on or off. If the device is powered off, skip step 1 and do not run the disk offline command. The following procedure guides you through hard disk unit replacement while the device is powered on: Note: a. In case of dual hard disks, replace the faulty disk with a new one. Do not change slots of the hard disks. Otherwise, the device may fail to recognize the hard disks. b. After replacing the hard disk, run the disk online command in the system view. Otherwise, the hard disk does not work. For dual hard disks, data is automatically synchronized between the hard disks after the disk online command is run. The synchronization takes several hours. During the synchronization, do not insert or remove the hard disks. Otherwise, data loss may occur. c. For dual hard disks, Filesystem Status becomes Mounted several hours after the disk online command is run. During this period, you can use other services, but the hard disks do not record real-time logs for these services. After data synchronization completes, the hard disks automatically start to work. You can run the display disk information command in the user view on the next day to check whether Filesystem Status is Mounted. If no, contact Huawei technical support personnel. d. After the RAID is created, the data in the active disk will be synchronized to the backup disk and the original data on the backup disk will be overwritten. Select the disk-id of the active disk before creating RAID. 3. Follow-up procedure Send the faulty hard disk unit to Huawei for repair.

Whether one DIMM can be configured for two CPUs
One DIMM can be configured for two CPUs, but it is not recommended. Based on the DIMM installation sequence of servers, install the DIMM in the first slot. Then the DIMM can be shared by two CPUs.

Whether the USG6650 hard disk has a hard disk card
The USG6650 supports two types of hard disks, namely, SM-HDD-SAS300G-A and SM-HDD-SAS300G-B. Model A uses the tray of the device, and model B has its own tray.

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