Whether data is automatically rebuilt when a hard disk fails


RAID controller cards support redundancy check. If a member disk fails and a hot spare is available, data is automatically rebuilt on the hot spare. RAID 5, RAID 6, and RAID 50 support redundancy check.
The data rebuild time depends on the hard disk capacity, RAID level, and customer service data volume.

Other related questions:
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.

In FusionInsight,When does Alarm 12009 Hard Disk in Failed Array
This alarm is generated when a redundant array of independent disks (RAID) array is abnormal or faulty because disk N in the RAID array is removed or faulty. Before this alarm is reported, the SNMP trap port and IP address must be configured on the BMC of the server; otherwise, this alarm will not be reported. For details, see the FusionInsight product documentation. This alarm is cleared when the disk is recovered.

Hard disk capacity expansion for the USG6000 series
The USG6650/6660/6670/6680 supports dual hard disks. Do as follows to install a hard disk on the USG, which has been running for some time with a single hard disk: 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, remove the filler panel from the hard disk slot, and install a new hard disk unit. a. Remove the filler panel from the hard disk slot. HDD1 is used as an example. b. Hold the handlers of the tray and push the tray along the guide rails inside the hard disk slot till the tray panel aligns with the panel of the device. c. Press the tray handler inwardly to restore the tray. d. In the system view, run the reset raid primary-disk disk-id command to create a RAID group using disk-id as the primary disk for data synchronization. In this example, the command shall be reset raid primary-disk 0. Several hours later, run the display disk information command. If Filesystem Status is Mounted and DiskRaidMode is ACTIVE, both hard disks work properly. Note: 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.

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