public static MountedDiskInfo GetMountedDiskInfo(string serverName, int driveNumber)
{
MountedDiskInfo diskInfo = new MountedDiskInfo { DiskNumber = driveNumber };
// find mounted disk using VDS
AdvancedDisk advancedDisk = null;
Pack diskPack = null;
// first attempt
Thread.Sleep(3000);
HostedSolutionLog.LogInfo("Trying to find mounted disk - first attempt");
FindVdsDisk(serverName, diskInfo.DiskNumber, out advancedDisk, out diskPack);
// second attempt
if (advancedDisk == null)
{
Thread.Sleep(20000);
HostedSolutionLog.LogInfo("Trying to find mounted disk - second attempt");
FindVdsDisk(serverName, diskInfo.DiskNumber, out advancedDisk, out diskPack);
}
if (advancedDisk == null)
throw new Exception("Could not find mounted disk");
// Set disk address
diskInfo.DiskAddress = advancedDisk.DiskAddress;
var addressParts = diskInfo.DiskAddress.ParseExact("Port{0}Path{1}Target{2}Lun{3}");
var portNumber = addressParts[0];
var targetId = addressParts[2];
var lun = addressParts[3];
// check if DiskPart must be used to bring disk online and clear read-only flag
bool useDiskPartToClearReadOnly = false;
if (ConfigurationManager.AppSettings[Constants.CONFIG_USE_DISKPART_TO_CLEAR_READONLY_FLAG] != null)
useDiskPartToClearReadOnly = Boolean.Parse(ConfigurationManager.AppSettings[Constants.CONFIG_USE_DISKPART_TO_CLEAR_READONLY_FLAG]);
// determine disk index for DiskPart
Wmi cimv2 = new Wmi(serverName, Constants.WMI_CIMV2_NAMESPACE);
ManagementObject objDisk = cimv2.GetWmiObject("win32_diskdrive",
"Model='Msft Virtual Disk SCSI Disk Device' and ScsiTargetID={0} and ScsiLogicalUnit={1} and scsiPort={2}",
targetId, lun, portNumber);
if (useDiskPartToClearReadOnly)
{
// *** Clear Read-Only and bring disk online with DiskPart ***
HostedSolutionLog.LogInfo("Clearing disk Read-only flag and bringing disk online");
if (objDisk != null)
{
// disk found
// run DiskPart
string diskPartResult = RunDiskPart(serverName, String.Format(@"select disk {0}
attributes disk clear readonly
online disk
exit", Convert.ToInt32(objDisk["Index"])));
HostedSolutionLog.LogInfo("DiskPart Result: " + diskPartResult);
}
}
else
{
// *** Clear Read-Only and bring disk online with VDS ***
// clear Read-Only
if ((advancedDisk.Flags & DiskFlags.ReadOnly) == DiskFlags.ReadOnly)
{
HostedSolutionLog.LogInfo("Clearing disk Read-only flag");
advancedDisk.ClearFlags(DiskFlags.ReadOnly);
while ((advancedDisk.Flags & DiskFlags.ReadOnly) == DiskFlags.ReadOnly)
{
Thread.Sleep(100);
advancedDisk.Refresh();
}
}
// bring disk ONLINE
if (advancedDisk.Status == DiskStatus.Offline)
{
HostedSolutionLog.LogInfo("Bringing disk online");
advancedDisk.Online();
while (advancedDisk.Status == DiskStatus.Offline)
{
Thread.Sleep(100);
advancedDisk.Refresh();
}
}
}
// small pause after getting disk online
Thread.Sleep(3000);
// get disk again
FindVdsDisk(serverName, diskInfo.DiskNumber, out advancedDisk, out diskPack);
// find volumes using VDS
List<string> volumes = new List<string>();
HostedSolutionLog.LogInfo("Querying disk volumes with VDS");
foreach (Volume volume in diskPack.Volumes)
{
string letter = volume.DriveLetter.ToString();
if (letter != "")
volumes.Add(letter);
}
// find volumes using WMI
if (volumes.Count == 0 && objDisk != null)
{
HostedSolutionLog.LogInfo("Querying disk volumes with WMI");
foreach (ManagementObject objPartition in objDisk.GetRelated("Win32_DiskPartition"))
{
foreach (ManagementObject objVolume in objPartition.GetRelated("Win32_LogicalDisk"))
{
volumes.Add(objVolume["Name"].ToString().TrimEnd(':'));
}
}
}
HostedSolutionLog.LogInfo("Volumes found: " + volumes.Count);
// Set volumes
diskInfo.DiskVolumes = volumes.ToArray();
return diskInfo;
}
public MountedDiskInfo MountVirtualHardDisk(string vhdPath)
{
ManagementObject objImgSvc = GetImageManagementService();
// get method params
ManagementBaseObject inParams = objImgSvc.GetMethodParameters("Mount");
inParams["Path"] = FileUtils.EvaluateSystemVariables(vhdPath);
ManagementBaseObject outParams = (ManagementBaseObject)objImgSvc.InvokeMethod("Mount", inParams, null);
JobResult result = CreateJobResultFromWmiMethodResults(outParams);
// load storage job
if (result.ReturnValue != ReturnCode.JobStarted)
throw new Exception("Failed to start Mount job with the following error: " + result.ReturnValue); ;
ManagementObject objJob = wmi.GetWmiObject("msvm_StorageJob", "InstanceID = '{0}'", result.Job.Id);
if (!JobCompleted(result.Job))
throw new Exception("Failed to complete Mount job with the following error: " + result.Job.ErrorDescription);
try
{
List<string> volumes = new List<string>();
// load output data
ManagementObject objImage = wmi.GetRelatedWmiObject(objJob, "Msvm_MountedStorageImage");
int pathId = Convert.ToInt32(objImage["PathId"]);
int portNumber = Convert.ToInt32(objImage["PortNumber"]);
int targetId = Convert.ToInt32(objImage["TargetId"]);
int lun = Convert.ToInt32(objImage["Lun"]);
string diskAddress = String.Format("Port{0}Path{1}Target{2}Lun{3}", portNumber, pathId, targetId, lun);
Log.WriteInfo("Disk address: " + diskAddress);
// find mounted disk using VDS
Vds.Advanced.AdvancedDisk advancedDisk = null;
Vds.Pack diskPack = null;
// first attempt
System.Threading.Thread.Sleep(3000);
Log.WriteInfo("Trying to find mounted disk - first attempt");
FindVdsDisk(diskAddress, out advancedDisk, out diskPack);
// second attempt
if (advancedDisk == null)
{
System.Threading.Thread.Sleep(20000);
Log.WriteInfo("Trying to find mounted disk - second attempt");
FindVdsDisk(diskAddress, out advancedDisk, out diskPack);
}
if (advancedDisk == null)
throw new Exception("Could not find mounted disk");
// check if DiskPart must be used to bring disk online and clear read-only flag
bool useDiskPartToClearReadOnly = false;
if (ConfigurationManager.AppSettings[CONFIG_USE_DISKPART_TO_CLEAR_READONLY_FLAG] != null)
useDiskPartToClearReadOnly = Boolean.Parse(ConfigurationManager.AppSettings[CONFIG_USE_DISKPART_TO_CLEAR_READONLY_FLAG]);
// determine disk index for DiskPart
Wmi cimv2 = new Wmi(ServerNameSettings, WMI_CIMV2_NAMESPACE);
ManagementObject objDisk = cimv2.GetWmiObject("win32_diskdrive",
"Model='Msft Virtual Disk SCSI Disk Device' and ScsiTargetID={0} and ScsiLogicalUnit={1} and scsiPort={2}",
targetId, lun, portNumber);
if (useDiskPartToClearReadOnly)
{
// *** Clear Read-Only and bring disk online with DiskPart ***
Log.WriteInfo("Clearing disk Read-only flag and bringing disk online");
if (objDisk != null)
{
// disk found
// run DiskPart
string diskPartResult = RunDiskPart(String.Format(@"select disk {0}
attributes disk clear readonly
online disk
exit", Convert.ToInt32(objDisk["Index"])));
Log.WriteInfo("DiskPart Result: " + diskPartResult);
}
}
else
{
// *** Clear Read-Only and bring disk online with VDS ***
// clear Read-Only
if ((advancedDisk.Flags & Vds.DiskFlags.ReadOnly) == Vds.DiskFlags.ReadOnly)
{
Log.WriteInfo("Clearing disk Read-only flag");
advancedDisk.ClearFlags(Vds.DiskFlags.ReadOnly);
while ((advancedDisk.Flags & Vds.DiskFlags.ReadOnly) == Vds.DiskFlags.ReadOnly)
{
System.Threading.Thread.Sleep(100);
advancedDisk.Refresh();
}
}
// bring disk ONLINE
if (advancedDisk.Status == Vds.DiskStatus.Offline)
{
Log.WriteInfo("Bringing disk online");
advancedDisk.Online();
while (advancedDisk.Status == Vds.DiskStatus.Offline)
{
System.Threading.Thread.Sleep(100);
advancedDisk.Refresh();
}
}
}
// small pause after getting disk online
System.Threading.Thread.Sleep(3000);
// get disk again
FindVdsDisk(diskAddress, out advancedDisk, out diskPack);
// find volumes using VDS
Log.WriteInfo("Querying disk volumes with VDS");
foreach (Vds.Volume volume in diskPack.Volumes)
{
string letter = volume.DriveLetter.ToString();
if(letter != "")
volumes.Add(letter);
}
// find volumes using WMI
if (volumes.Count == 0 && objDisk != null)
{
Log.WriteInfo("Querying disk volumes with WMI");
foreach (ManagementObject objPartition in objDisk.GetRelated("Win32_DiskPartition"))
{
foreach (ManagementObject objVolume in objPartition.GetRelated("Win32_LogicalDisk"))
{
volumes.Add(objVolume["Name"].ToString().TrimEnd(':'));
}
}
}
Log.WriteInfo("Volumes found: " + volumes.Count);
// info object
MountedDiskInfo info = new MountedDiskInfo();
info.DiskAddress = diskAddress;
info.DiskVolumes = volumes.ToArray();
return info;
}
catch(Exception ex)
{
// unmount disk
UnmountVirtualHardDisk(vhdPath);
// throw error
throw ex;
}
}
public static MountedDiskInfo GetMountedDiskInfo(string serverName, int driveNumber)
{
MountedDiskInfo diskInfo = new MountedDiskInfo {
DiskNumber = driveNumber
};
// find mounted disk using VDS
AdvancedDisk advancedDisk = null;
Pack diskPack = null;
// first attempt
Thread.Sleep(3000);
HostedSolutionLog.LogInfo("Trying to find mounted disk - first attempt");
FindVdsDisk(serverName, diskInfo.DiskNumber, out advancedDisk, out diskPack);
// second attempt
if (advancedDisk == null)
{
Thread.Sleep(20000);
HostedSolutionLog.LogInfo("Trying to find mounted disk - second attempt");
FindVdsDisk(serverName, diskInfo.DiskNumber, out advancedDisk, out diskPack);
}
if (advancedDisk == null)
{
throw new Exception("Could not find mounted disk");
}
// Set disk address
diskInfo.DiskAddress = advancedDisk.DiskAddress;
var addressParts = diskInfo.DiskAddress.ParseExact("Port{0}Path{1}Target{2}Lun{3}");
var portNumber = addressParts[0];
var targetId = addressParts[2];
var lun = addressParts[3];
// check if DiskPart must be used to bring disk online and clear read-only flag
bool useDiskPartToClearReadOnly = false;
if (ConfigurationManager.AppSettings[Constants.CONFIG_USE_DISKPART_TO_CLEAR_READONLY_FLAG] != null)
{
useDiskPartToClearReadOnly = Boolean.Parse(ConfigurationManager.AppSettings[Constants.CONFIG_USE_DISKPART_TO_CLEAR_READONLY_FLAG]);
}
// determine disk index for DiskPart
Wmi cimv2 = new Wmi(serverName, Constants.WMI_CIMV2_NAMESPACE);
ManagementObject objDisk = cimv2.GetWmiObject("win32_diskdrive",
"Model='Msft Virtual Disk SCSI Disk Device' and ScsiTargetID={0} and ScsiLogicalUnit={1} and scsiPort={2}",
targetId, lun, portNumber);
if (useDiskPartToClearReadOnly)
{
// *** Clear Read-Only and bring disk online with DiskPart ***
HostedSolutionLog.LogInfo("Clearing disk Read-only flag and bringing disk online");
if (objDisk != null)
{
// disk found
// run DiskPart
string diskPartResult = RunDiskPart(serverName, String.Format(@"select disk {0}
attributes disk clear readonly
online disk
exit", Convert.ToInt32(objDisk["Index"])));
HostedSolutionLog.LogInfo("DiskPart Result: " + diskPartResult);
}
}
else
{
// *** Clear Read-Only and bring disk online with VDS ***
// clear Read-Only
if ((advancedDisk.Flags & DiskFlags.ReadOnly) == DiskFlags.ReadOnly)
{
HostedSolutionLog.LogInfo("Clearing disk Read-only flag");
advancedDisk.ClearFlags(DiskFlags.ReadOnly);
while ((advancedDisk.Flags & DiskFlags.ReadOnly) == DiskFlags.ReadOnly)
{
Thread.Sleep(100);
advancedDisk.Refresh();
}
}
// bring disk ONLINE
if (advancedDisk.Status == DiskStatus.Offline)
{
HostedSolutionLog.LogInfo("Bringing disk online");
advancedDisk.Online();
while (advancedDisk.Status == DiskStatus.Offline)
{
Thread.Sleep(100);
advancedDisk.Refresh();
}
}
}
// small pause after getting disk online
Thread.Sleep(3000);
// get disk again
FindVdsDisk(serverName, diskInfo.DiskNumber, out advancedDisk, out diskPack);
// find volumes using VDS
List <string> volumes = new List <string>();
HostedSolutionLog.LogInfo("Querying disk volumes with VDS");
foreach (Volume volume in diskPack.Volumes)
{
string letter = volume.DriveLetter.ToString();
if (letter != "")
{
volumes.Add(letter);
}
}
// find volumes using WMI
if (volumes.Count == 0 && objDisk != null)
{
HostedSolutionLog.LogInfo("Querying disk volumes with WMI");
foreach (ManagementObject objPartition in objDisk.GetRelated("Win32_DiskPartition"))
{
foreach (ManagementObject objVolume in objPartition.GetRelated("Win32_LogicalDisk"))
{
volumes.Add(objVolume["Name"].ToString().TrimEnd(':'));
}
}
}
HostedSolutionLog.LogInfo("Volumes found: " + volumes.Count);
// Set volumes
diskInfo.DiskVolumes = volumes.ToArray();
return(diskInfo);
}
