DISKPART> san policy=OnlineAll

DiskPart successfully changed the SAN policy for the current operating system.

DISKPART> LIST DISK

Disk ### Status Size Free Dyn Gpt

——– ————- ——- ——- — —

Disk 0 Online 40 GB 0 B

* Disk 1 Offline 10 GB 1024 KB

DISKPART>; select disk 1

Disk 1 is now the selected disk.

DISKPART> ATTRIBUTES DISK CLEAR READONLY

Disk attributes cleared successfully.

DISKPART> attributes disk

Current Read-only State : No

Read-only : No

Boot Disk : No

Pagefile Disk : No

Hibernation File Disk : No

Crashdump Disk : No

Clustered Disk : No

DISKPART> ONLINE DISK

DiskPart successfully onlined the selected disk.