operating system : Windows 2008R2
description of the phenomenon:
1. The original system mounts 2T of storage for Windows 2012, and is not re-mapped on disk storage due to a business requirement to reinstall Windows 2008R2.
2. The system installation is complete, after installing the Multipath software, the mounted partition cannot be manipulated. As in addition to deleting volumes and helping others are gray. Click Delete Volume hint Media write protection
3. Mouse pointing to the small exclamation mark indicates that the disk is offline because of a policy set by the administrator.
The solution steps are as follows:
To dismiss a policy by using the DISKPART.exe command
1. Run: cmd
2. Input: DISKPART.exe Search
3.diskpart> San
4.diskpart> San Policy=onlineall
5.diskpart>list disk
6.diskpart> Select disk 1
7.diskpart>attributes Disk Clear ReadOnly
8.diskpart>online disk
now! You can partition the hard disk operation.
Win r2--The disk is offline due to a policy set by the administrator