Drive letters go to logical volume device objects created by FTDISK or
DMIO. The relationship from volumes to disks can be many-to-many, and
as far as I can tell, it is represented only internally to those volume
drivers.
There are a set of IOCTLs that seem to be intended to expose these
relationships, but documentation is scant. Look in ntddvol.h for:
IOCTL_VOLUME_QUERY_VOLUME_NUMBER
IOCTL_VOLUME_LOGICAL_TO_PHYSICAL
IOCTL_VOLUME_PHYSICAL_TO_LOGICAL
Dave Cox
Hewlett-Packard Co.
HPSO/SMSO (Santa Barbara)
https://ecardfile.com/id/Dave+Cox
-----Original Message-----
From: xxxxx@tivoli.com [mailto:xxxxx@tivoli.com]
Sent: Wednesday, October 11, 2000 7:52 AM
To: File Systems Developers
Subject: [ntfsd] Windows 2000: associating drive letters to physical
drives
Hi,
How do I associate drive letters and mount points to the PhysicalDriveX
they reside on.
NT has links to \Device\HarddiskX\PartitionY to determine this but Windows
2000 doesn’t.
Windows 2000 PhysicalDriveX is a link to \Device\HarddiskX\DRY and the
drive letter has \Device\HarddiskVolume1 which doesn’t tell me what
Harddisk the partition is on.
Thanks
Mike
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