private void btnOK_Click(object sender, EventArgs e)
{
DynamicDisk targetDisk = (DynamicDisk)listDisks.SelectedValue;
long offset = GetDiskOffset();
bool isSameDisk = (targetDisk.Disk == m_extent.Disk);
if (!DynamicDiskHelper.IsMoveLocationValid(m_extent, targetDisk, offset))
{
StringBuilder builder = new StringBuilder();
builder.AppendLine("Invalid offset specified.");
builder.AppendLine();
builder.AppendLine("The following conditions must be met:");
builder.AppendLine("1. The destination must reside inside the data portion of the disk.");
builder.AppendLine("2. The destination must not be used by any other extents.");
builder.AppendLine("3. The offset must be aligned to sector size.");
builder.AppendLine("4. Source and destination disk must have the same sector size.");
MessageBox.Show(builder.ToString(), "Error");
return;
}
if (isSameDisk && offset == m_extent.FirstSector * m_extent.BytesPerSector)
{
MessageBox.Show("Source and destination are the same.", "Error");
return;
}
DiskGroupDatabase database = DiskGroupDatabase.ReadFromDisks(m_diskGroup, targetDisk.DiskGroupGuid);
if (database.AreDisksMissing)
{
DialogResult disksMissingResult = MessageBox.Show("Some of the disks in this disk group are missing, Continue anyway?", "Warning", MessageBoxButtons.YesNo);
if (disksMissingResult != DialogResult.Yes)
{
return;
}
}
DiskGroupLockResult result = DiskGroupHelper.LockDiskGroup(m_diskGroup);
if (result == DiskGroupLockResult.CannotLockDisk)
{
MessageBox.Show("Unable to lock all disks!", "Error");
}
else if (result == DiskGroupLockResult.CannotLockVolume)
{
MessageBox.Show("Unable to lock all volumes!", "Error");
}
else if (result == DiskGroupLockResult.OneOrMoreDisksAreOfflineOrReadonly)
{
MessageBox.Show("One or more disks are offline or set to readonly.", "Error");
}
else if (result == DiskGroupLockResult.CannotTakeDiskOffline)
{
MessageBox.Show("Failed to take all dynamic disks offline!", "Error");
}
else if (result == DiskGroupLockResult.Success)
{
listDisks.Enabled = false;
numericDiskOffset.Enabled = false;
listSuffixes.Enabled = false;
btnCancel.Enabled = false;
btnOK.Enabled = false;
progressBar.Visible = true;
long firstSector = offset / targetDisk.BytesPerSector;
DiskExtent targetExtent = new DiskExtent(targetDisk.Disk, firstSector, m_extent.Size);
long bytesTotal = m_extent.Size;
long bytesCopied = 0;
Thread workerThread = new Thread(delegate()
{
m_isWorking = true;
if (isSameDisk)
{
MoveExtentHelper.MoveExtentWithinSameDisk(database, m_volume, m_extent, targetExtent, ref bytesCopied);
}
else
{
MoveExtentHelper.MoveExtentToAnotherDisk(database, m_volume, m_extent, targetExtent, ref bytesCopied);
}
m_isWorking = false;
});
workerThread.Start();
new Thread(delegate()
{
while (workerThread.IsAlive)
{
Thread.Sleep(250);
int progress = (int)(100 * (double)bytesCopied / bytesTotal);
this.Invoke((MethodInvoker) delegate()
{
progressBar.Value = progress;
});
}
this.Invoke((MethodInvoker) delegate()
{
DiskGroupHelper.UnlockDiskGroup(m_diskGroup);
this.DialogResult = DialogResult.OK;
this.Close();
});
}).Start();
}
}
