RE: How to change volume size online without system re-bo- ot)

NTDEV
1

I don’t know how you would change the partition size. But this
is how you would notify the OS about any changes made to the
partition size.

  1. Partition Expansion is done using
    IOCTL_DISK_UPDATE_DRIVE_SIZE & IOCTL_DISK_GROW_PARTITION.

  2. Grow NTFS on a newly extended partition by first using
    FSCTL_GET_NTFS_VOLUME_DATA to get some sector data and then
    FSCTL_EXTEND_VOLUME to extend NTFS.

Hope this helps,
Niraj

-----Original Message-----
From: Balagangatharan [mailto:xxxxx@yahoo.com]
Sent: Sunday, December 09, 2001 4:00 PM
To: NT Developers Interest List
Subject: [ntdev] How to change volume size online(without system
re-boot)

Hi,

I am creating a virtual drive which act as hard-disk but the actual data
will be stored across multiple DVD-RAM media. And the virtual-disk can be
formatted my any file system say NTFS.

Can any one help me, how can I change the volume size online (without
re-booting the system).

Thank you,

Regards,
Bala

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