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  6. How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?

How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?

This section uses an ECS running Windows Server 2008 R2 64bit as an example to describe how to obtain the mapping between disk partitions and disk devices.

  1. Log in to the Windows ECS.
  2. Click Start in the lower left corner of the desktop.
  3. Choose Control Panel > Administrative Tools > Computer Management.
  4. In the navigation pane on the left, choose Storage > Disk Management.
    Figure 1 Disk Management
  5. Taking disk 1 marked in Figure 1 as an example, view the disk device for disk 1.
    1. Right-click the gray area where disk 1 is located, as shown in the red box in Figure 1.
    2. Click Properties.

      The SCSI Disk Device Properties dialog box is displayed, as shown in Figure 2.

      Figure 2 Disk properties
    3. Click the Details tab and set Property to Parent.
      Figure 3 Disk device details
    4. Record the digits following & in the parameter value, for example, 51776, which is the master and slave device number corresponding to the disk partition.
    5. Obtain the disk device according to the information listed in Table 1.
      The disk device corresponding to 51776 is  xvde. The disk device used by disk 1 is xvde.
      Table 1 Mapping between disk partitions and disk devices

      Master and Slave Device Number for a Disk Partition

      Disk Device

      51712

      xvda

      51728

      xvdb

      51744

      xvdc

      51760

      xvdd

      51776

      xvde

      51792

      xvdf

      51808

      xvdg

      51824

      xvdh

      51840

      xvdi

      51856

      xvdj

      51872

      xvdk

      51888

      xvdl

      51904

      xvdm

      51920

      xvdn

      51936

      xvdo

      51952

      xvdp

      268439552

      xvdq

      268439808

      xvdr

      268440064

      xvds

      268440320

      xvdt

      268440576

      xvdu

      268440832

      xvdv

      268441088

      xvdw

      268441344

      xvdx