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From: machoman on 27 Nov 2006 22:27
to change the dynamic volume Partition and force the
information refreshed in the cache, I can achieve that through
following
way(under XP, W2K3):
1) Set new partitiontable in MBR sector
2)call IOCTL_DISK_GET_DRIVE_LAYOUT to get all of the partition entries.

3) loop through them to find the one you want to make active (set its
BootIndicator to TRUE) and set the others to non-active.
4) set RewriteParitition to TRUE for the entries you changed.
5) call IOCTL_DISK_SET_DRIVE_LAYOUT.
6) call IOCTL_DISK_UPDATE_PROPERTIES to invalidates the cached
partition
table.

I can have this function in code, then guarantee the correct
BootIndicator for
the activated partition.under xp, w2K3. the "ftdisk.sys" driver create
a new
device object
"\device\harddiskvolume(new)",the new VolumeLable is appear.


same way on " VISTA RTM" or RC1 . the "volmgr.sys"d river can't create
new
device object "\device\harddiskvolume(new)" . but I refresh in the
DiskManagement UI,the new partition show up.

How can I retrieve the correct parameter for my partition having been
activated even JUST after having activated it (without open the
DiskManagement
UI on VISTA OS) ?


Thanks in advance.
Regards.

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