JSI Tip 1178. Volume sets.

Volumes sets are created from up to 32 areas of disk space, on one or multiple partitions.
Volumes sets can be created and used on Windows NT Server and Workstation.
Volume sets provide no fault tolerance.
Volume sets are transparent to users. It appears as a single drive letter.
Volume sets can be formated as NTFS or FAT.
Volume sets can be extended, as long as you don't exceed the 32 extent limit.
Volume sets may improve performance, but their purpose is to efficently use disk space.
You can not install Windows NT on a volume set.
Other operating systems on a dual boot computer will not recognize the volume set.
An alternate install of Windows NT will not recognize the volume set unless you Partition / Configuration / Restore.

To create a volume set:

Use Disk Administrator (Winndisk.exe) to select up to 32 areas of free disk space by holding the Ctrl key.
Partition / Create Volume Set.
Exit Disk Administrator.
Shutdown and restart Windows NT. Autochk.exe will run a chkdsk /F which must complete for the volume set to be usable.
Upon restart, use Disk Administrator to Partition / Configuration / Save.
Use Disk Administrator or the FORMAT command to format the volume set for a file system.

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