private static List <ExtentRecord> GetRetainedExtentsOnDisk(DynamicDisk disk, out long bootPartitionStartLBA)
{
VolumeManagerDatabase database = VolumeManagerDatabase.ReadFromDisk(disk);
DiskRecord diskRecord = database.FindDiskByDiskGuid(disk.DiskGuid);
bootPartitionStartLBA = -1;
List <ExtentRecord> result = new List <ExtentRecord>();
foreach (VolumeRecord volume in database.VolumeRecords)
{
if ((volume.VolumeFlags & VolumeFlags.RetainPartition) > 0)
{
List <ComponentRecord> components = database.FindComponentsByVolumeID(volume.VolumeId);
foreach (ComponentRecord componentRecord in components)
{
if (componentRecord.ExtentLayout == ExtentLayoutName.Concatenated)
{
if (componentRecord.NumberOfExtents == 1)
{
List <ExtentRecord> extents = database.FindExtentsByComponentID(componentRecord.ComponentId);
if (extents.Count == 1)
{
ExtentRecord extent = extents[0];
if (extent.DiskId == diskRecord.DiskId)
{
result.Add(extent);
if ((volume.VolumeFlags & VolumeFlags.BootVolume) > 0)
{
bootPartitionStartLBA = (long)(disk.PrivateHeader.PublicRegionStartLBA + extent.DiskOffsetLBA);
}
}
}
}
}
}
}
}
return(result);
}
