How to simulate Disk Administrator operations

Hi
I have posted the next question in ntdev list but could not get any answer,
maybe it will fit this list. Thanks for any help. Miki.

Hi,
I’m writing a scsiport driver for NT4. When the system boots, the disk
devices are not available but InquiryData is available (Taken from the
registry). This way the disks appear offline in the disk administrator. I
assign drive letters for the different partitions of the devices (also from
registry, using sym links), but of course they can not be accessed, and the
scsiport driver returns DEVICE_NOT_READY. The problem is that when the
devices are available (after the disk and FS drivers were loaded), the file
system is not aware of this fact, and the drives in explorer window are
still inaccessible. If I activate disk administrator then they become
accessible, i.e. the FS is aware of these devices and their partitions.
My question is how to simulate the same operations of the disk
administrator from my driver.
Thanks in advance
-Miki


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