Obtaining Volume Information and Status

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When you are working with DiskPart and want to check the status of partitions and volumes, you can use the LIST VOLUME command. As shown in the following example, LIST VOLUME lists the current statistics of all volumes, partitions, and logical drives on the computer:

DISKPART> list volume
 
Volume ###  Ltr   Label       Fs      Type         Size        Status        Info
----------  ---   ---------   -----   --------     -------     ---------     -------
Volume 0     T    Data        NTFS    Simple       502 MB      Healthy
Volume 1     U    Data2       NTFS    Simple       500 MB      Healthy
Volume 2     F                        DVD-ROM        0  B
Volume 3     G                        CD-ROM         0  B
Volume 4     C    Primary     NTFS    Partition     56 GB      Healthy       System
Volume 5     D    Secondary   NTFS    Partition     29 GB      Healthy

As you can see, LIST VOLUME shows the following:

• Volume ### The number of the volume. You can type select volume N to work with the volume.

• Ltr The drive letter of the volume.

• Label The volume label.

• Fs The file system type: FAT, FAT32, or NTFS.

• Type The layout type. With dynamic disks, volume layout type tells you the configuration of the volume as simple, spanned, mirrored, striped, or RAID-5.

• Size The total storage size of the volume.

• Status The state of the volume, shown as Healthy, Failed Redundancy, and so on.

• Info Provides additional information related to the volume.

One of the more important statistics provided is the volume status. Understanding the volume status is useful when you install new volumes or try to troubleshoot problems. Table 10-1 summarizes status values, which are primarily associated with dynamic volumes.

Table 10-1: Understanding and Resolving Volume Status Issues

Status	Description	Resolution
Data Incomplete	Spanned volumes on a foreign disk are incomplete. You must have forgotten to add the other disks from the spanned volume.	Move over the disks that contain the rest of the spanned volume and then import all the disks at one time.
Data Not Redundant	Fault-tolerant volumes on a foreign disk are incomplete (not redundant). You must have forgotten to add the other disks from a mirror or RAID-5 set.	Add the remaining disk(s) and then import all the disks at one time.
Failed	A disk-error status. The disk is inaccessible or damaged.	Ensure that the related dynamic disk is online. If necessary, rescan for volumes or use the ONLINE command to bring the volume online.
Failed Redundancy	A disk-error status. One of the disks in a mirror or RAID-5 set is offline.	Ensure that the related dynamic disk is online. If necessary, try to bring the volume online. If the volume cannot be brought online, you might need to replace a failed mirror or repair a failed RAID-5 volume.
Formatting	A temporary status that indicates that the volume is being formatted.	The progress of the formatting is indicated as the percentage completed. On successful completion, the volume will be set to Healthy status.
Healthy	The normal volume status.	The volume doesn’t have any known problems.
Regenerating	A temporary status that indicates that a mirrored volume is being added or imported, or data and parity for a RAID-5 volume are being regenerated.	Progress is indicated as the percentage completed. The volume should return to Healthy status.
Resynching	A temporary status that indicates that a mirror set is being resynchronized.	Progress is indicated as the percentage completed. The volume should return to Healthy status.
Stale Data	Data on foreign disks that are fault tolerant are out of sync.	Rescan or restart the computer, and then check the status. A new status should be displayed, such as Failed Redundancy.
Unknown	The volume’s boot sector appears to be corrupted and you can no longer access data on the volume.	The disk may not have been initialized. Start Disk Management, then if the Initialize Disk Wizard doesn’t start automatically, right-click the disk and select Initialize Disk.

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