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.
- Log in to the Windows ECS.
- Click Start in the lower left corner of the desktop.
- Choose Control Panel > Administrative Tools > Computer Management.
- In the navigation pane on the left, choose Storage > Disk Management.
- Taking disk 1 marked in Figura 1 as an example, view the disk device for disk 1.
- Right-click the gray area where disk 1 is located, as shown in the red box in Figura 1.
- Click Properties.
The SCSI Disk Device Properties dialog box is displayed, as shown in Figura 2.
- Click the Details tab and set Property to Parent.
Figura 3 Disk device details
- Record the digits following & in the parameter value, for example, 51776, which is the master and slave device number corresponding to the disk partition.
- Obtain the disk device according to the information listed in Tabla 1.
The disk device corresponding to 51776 is xvde. The disk device used by disk 1 is xvde.
Tabla 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