Why the number of hard disks scanned by the application server is a multiple of the number of hard disks mapped to the application server?


The multipathing software is not installed.

If the multipathing software is not installed, the OS cannot determine whether the LUNs scanned from several physical paths are the same LUN, and assumes them as different LUNs; therefore, multiple mock disks appear on the AS. If the multipathing software is installed, it can determine whether the LUNs in different sessions are the same LUN by analyzing the world wide name (WWN) of each LUN, and eliminates the mock disks. In this way, the number of hard disks scanned by the AS is the number of LUNs actually mapped to the AS.

You can obtain the installer of the multipathing software from the delivery-attached CD-ROM and install the program according to the actual OS.

Other related questions:
Whether hard disk trays are universally applicable
Hard disk trays are universally applicable.

How can I plan hard disks for the SMC2.0 server?
The hard disk plan on the SMC2.0 server varies according to the installation mode. When the common SMC2.0 installation mode is used, there are two 300 GB hard disks. For details, log in to http://support.huawei.com/enterprise, search for SMC2.0, download the product documentation, and choose Installation in the product documentation.

Full disk scanning for hard disks of the USG6000 series
Disks may be bumped during delivery, which may cause disk failures. Before usage, you can perform full disk scanning to repair the disks. Full disk scanning takes 2 to 3 hours. Note: Hard disk self-check interrupts hard disk services. Exercise caution when you perform full disk scanning. 1. Install the hard disk to the device. 2. In the system view, run the disk offline command to enable the hard disk to go offline. 3. In the diagnose view, run the disk self-test enable command to perform full disk scanning. 4. In the diagnose view, run the display disk self-test command to view the result of disk self-check. Progress: displays the progress. For example, in 2/46, 46 indicates that the operation may take 46 minutes, and 2 indicates that 2 minutes have elapsed. The actual time taken shall no longer than 46 minutes. Otherwise, the disk is faulty. ErrorType: Selftest complete without error: indicates that the hard disk is not faulty. Send command failed!: indicates that you shall run the self-check command again. Other: indicates that the hard disk is faulty, and you need to replace it or contact professionals for analysis. DiskSN: indicates the SN of the current hard disk. The self-check result corresponds to the SN.

Steps for scanning VM hard disks
You can scan a hard disk as follows: 1. On the taskbar of the VM OS, select Start and enter compmgmt.msc in Search programs and files to go to the Computer Management window. 2. In the navigation tree on the left, expand Storage. 3. Right-click Disk Management and choose Rescan Disks.

Hard disk capacity of servers
For details about the hard disk types and capacities, see the server compatibility list.

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