DiskPart – How to find out whisk disk is distributed to a logical volume

There is one fast way to check out to what physical disk is allocated one logical disk. In this way you can allocate better the available storage between data files, log files and tempdb files. You should know that these are better separated on different disks.

You need to consider applying this method only to the servers which don’t have as physical storage SAN disks. The distribution of  logical disks on SAN is very different and must be provided by network admins.

The following commands don’t mess anything but play carefully with diskpart ’cause it’s a partitioning tool.

Diskpart.exe command-line utility basic commands:

Open a command prompt and type diskpart. Depending the Windows version, diskpart will open in the same window or a new window. When entering the utility you can use the following commands.

list disk – lists the disks known by Windows. At this point you will know how many disks there are to play with.

Diskpart - List Volume Partitions

select disk (Number) – sets the focus on the specified disk. you need to set the focus on one disk in order to check the partitions created on it or the logical volumes. All the below command need to have the focus set on a single disk.

detail disk – after setting the focus, you will see all the volumes created on the specified disk.

select partition – you can guess what that is – lists the partitions from one disk.

Diskpart - List Volume Partitions

It is now obvious that Disk 1 with a capacity of 931 GB hosts two logical Volumes- 683 and 243 each.

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