Replacing hard disks for the USG6000 series

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:
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.
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.
1. Ensure that all configurations are saved.
2. Run the disk offline command in the system view. Wait for about 30 seconds until the system indicates that the hard disk stops working and then remove the hard disk unit to be replaced.
a. Press the button on the right of the hard disk tray to eject the handler.
b. Use the handler to pull the hard disk unit out of the slot.
c. Put the replaced hard disk unit into an ESD bag.
3. Install the new hard disk unit. The hard disk unit installation methods are the same for 1 U and 3 U devices. For details, see content relevant to installing hard disks for the USG6000 series in the product documentation.
4. Run the disk online command and then the display disk information command in the system view. If Filesystem Status is Mounted, the hard disk works properly.
Note: 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.

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