OK to remove the mapping of RDM?

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• RDM to delete and recreate the mapping of RDM file and fix

  Hello

  I wrote the following script, but it works fine except it does not create the mapping of RDM file.

  If I comment out the following lines, it works fine.

  $fileMgr.DeleteDatastoreFile_Task ($name, $datacenter)

  $spec.deviceChange [0] .fileOperation = "crΘer".

  Here is the code below

  Replace-VM-RDM function {}

  Param ($scsiid, $rdmname, $vmname, $filename)

  < #.

  Convert SCSI address in Vmware format

  # >

  $scsicontroller = $null

  $scsiid_split = $null

  $scsiid_split = $scsiid.split(":")

  $scsicontroller =($scsiid_split[0])

  # SCSI VMware in the GUI controller ID is a number greater than the real controller id

  $scsicontroller = [int] $scsicontroller + 1

  # Vmware waiting conntroller with 4-character id

  $scsicontroller =($scsicontroller.) (ToString()) + "000".

  $scsicontroller

  # SCSI LOGICAL UNIT NUMBER

  $scsilun = $null

  # VMware SCSI LUN ID in the GUI is a higher number than the id real lun

  $scsilun = [int]($scsiid_split[1]) #+ 1

  ###

  $vm = get-VM-name '$vmname ' | Get-View

  IF (!) (($filename))) {}

  $RDMFile = $rdmname.split("") [0] + "_RDM.vmdk"

  $filename = (($vm.)) (Config.Files.VmPathName). Replace("$vmname.vmx","$RDMFile"))

  }

  $esx is get-view $vm. Runtime.Host

  < #.

  Download CanonicalName RDM Lun

  # >

  $rdmCanonicalName = $null

  $rdmCanonicalName = (($esx.)) Config.StorageDevice.ScsiLun | where {$_.} DisplayName - eq $rdmname}). CanonicalName)

  $rdmDevicePath = (($esx.)) Config.StorageDevice.ScsiLun | where {$_.} DisplayName - eq $rdmname}). DevicePath)

  foreach ($dev in $vm. Config.Hardware.Device) {}

  If (($dev.)) GetType()). {Name - eq "VirtualDisk")}

  If (($dev.Backing.CompatibilityMode-eq "physicalMode") - or)

  ($dev.Backing.CompatibilityMode-eq "virtualMode")) {}

  If (($dev.)) ControllerKey - eq "$scsicontroller") - and ($dev. UnitNumber - eq "$scsilun")) {}

  # Remove the hard drive

  $hd = get-disk hard $vm.name | where {$_.} Filename - eq $dev. Backing.FileName}

  $hd | Remove-hard drive - confirm: $false

  Write-Host "file name:" $dev.backing.fileName "

  Write-Host "Disk Mode:" $dev.backing.diskMode

  $dev.backing.deviceName

  $dev.backing.lunUuid

  $DevKey = $dev.key

  $CapacityInKB = $ dev. CapacityInKB

  $fileMgr = get-View (view Get ServiceInstance). Content.fileManager

  $datacenter = (get-View (Get - VM $VMname |)) Get-Datacenter) USER.USER) .get_MoRef)

  foreach ($disk in $vm. LayoutEx.Disk) {}

  if($Disk.) Key - eq $dev. Key) {}

  foreach ($chain in $disk. {String)

  foreach ($file in $chain.) FileKey) {}

  $name = $vm. LayoutEx.File [$file]. Name

  $fileMgr.DeleteDatastoreFile_Task ($name, $datacenter)

  }

  }

  continue

  }

  }

  }

  }

  Else if (($dev.)) ControllerKey - eq "$scsicontroller") - and ($dev. UnitNumber - eq "$scsilun")) {Write-Host "Selected SCSI address [$scsiid] is not a RDM"}

  }

  }

  #$hd1 = New-disk hard - VM $vmname - DeviceName $rdmDevicePath - DiskType RawPhysical # this line works

  $spec = $null

  $spec = new-Object VMware.Vim.VirtualMachineConfigSpec

  $spec.deviceChange = @)

  $spec.deviceChange += new-Object VMware.Vim.VirtualDeviceConfigSpec

  $spec.deviceChange [0] = new-Object VMware.Vim.VirtualDisk .device

  $spec.devicechange [0].device.capacityInKB = $CapacityInKB

  $spec.deviceChange [0].device.backing = new-Object VMware.Vim.VirtualDiskRawDiskMappingVer1BackingInfo

  $spec.deviceChange [0].device.backing.fileName = $filename

  $spec.deviceChange [0].device.backing.compatibilityMode = "physicalMode".

  $spec.deviceChange [0].device.backing.diskMode = «»

  $spec.deviceChange [0].device.backing.lunUuid = (($esx.)) Config.StorageDevice.ScsiLun | where {$_.} DisplayName - eq $rdmname}). UUID)

  $spec.deviceChange [0].device.connectable = new-Object VMware.Vim.VirtualDeviceConnectInfo

  $spec.deviceChange [0].device.connectable.startConnected = $true

  $spec.deviceChange [0].device.connectable.allowGuestControl = $false

  $spec.deviceChange [0].device.connectable.connected = $true

  # Take the next unused volume for HD key

  $spec.deviceChange [0].device.key = $DevKey + 1

  # 7 SCSIID UnitNUmber is reserved for the controller - then go to 8.

  If ($scsilun - eq 6) {$scsilun = $scsilun + 1}

  # Take the next unit for the HD number

  $spec.deviceChange [0].device.unitnumber = $scsilun

  # Key device for the SCSI controller

  $spec.deviceChange [0].device.controllerKey = $scsicontroller

  # Create vmdk file

  $spec.deviceChange [0] .fileOperation = "crΘer".

  $spec.deviceChange [0] .operation = 'Add '.

  $vm = get - View (Get - VM $VMname) USER.USER

  $vm. ReconfigVM_Task ($spec)

  }

  Replace-VM-RDM $vmname $scsiid $rdmname $filename

  I am working, it just need to reorganization and then the Devicename was wrong.

  Here's the script working.

  Replace-VM-RDM function {}

  Param ($scsiid, $rdmname, $vmname, $filename)

  <>

  Convert SCSI address in Vmware format

  #>

  $scsicontroller = $null

  $scsiid_split = $null

  $scsiid_split = $scsiid.split(":")

  $scsicontroller =($scsiid_split[0])

  # SCSI VMware in the GUI controller ID is a number greater than the real controller id

  $scsicontroller = [int] $scsicontroller + 1

  # Vmware waiting conntroller with 4-character id

  $scsicontroller =($scsicontroller.) (ToString()) + "000".

  $scsicontroller

  # SCSI LOGICAL UNIT NUMBER

  $scsilun = $null

  # VMware SCSI LUN ID in the GUI is a higher number than the id real lun

  $scsilun = [int]($scsiid_split[1]) #+ 1

  ###

  $vm = get-VM-name '$vmname ' | Get-View

  IF (!) (($filename))) {}

  $RDMFile = $rdmname.split("") [0] + "_RDM.vmdk"

  $filename = (($vm.)) (Config.Files.VmPathName). Replace("$vmname.vmx","$RDMFile"))

  }

  $esx is get-view $vm. Runtime.Host

  <>

  Download CanonicalName RDM Lun

  #>

  $rdmCanonicalName = $null

  $rdmCanonicalName = (($esx.)) Config.StorageDevice.ScsiLun | where {$_.} DisplayName - eq $rdmname}). CanonicalName)

  $rdmDevicePath = (($esx.)) Config.StorageDevice.ScsiLun | where {$_.} DisplayName - eq $rdmname}). DevicePath)

  foreach ($dev in $vm. Config.Hardware.Device) {}

  If (($dev.)) GetType()). {Name - eq "VirtualDisk")}

  If (($dev.Backing.CompatibilityMode-eq "physicalMode") - or)

  ($dev.Backing.CompatibilityMode-eq "virtualMode")) {}

  If (($dev.)) ControllerKey - eq "$scsicontroller") - and ($dev. UnitNumber - eq "$scsilun")) {}

  # Remove the hard drive

  $hd = get-disk hard $vm.name | where {$_.} Filename - eq $dev. Backing.FileName}

  $hd | Remove-hard drive - confirm: $false - DeletePermanently

  Write-Host "file name:" $dev.backing.fileName "

  Write-Host "Disk Mode:" $dev.backing.diskMode

  $dev.backing.deviceName

  $dev.backing.lunUuid

  $DevKey = $dev.key

  $CapacityInKB = $ dev. CapacityInKB

  <#$fileMgr =="" get-view="" (get-view="">

  $datacenter = (get-View (Get - VM $VMname |)) Get-Datacenter) USER.USER) .get_MoRef)

  foreach ($disk in $vm. LayoutEx.Disk) {}

  if($Disk.) Key - eq $dev. Key) {}

  foreach ($chain in $disk. {String)

  foreach ($file in $chain.) FileKey) {}

  $name = $vm. LayoutEx.File [$file]. Name

  $fileMgr.DeleteDatastoreFile_Task ($name, $datacenter)

  }

  }

  continue

  }

  }#>

  }

  }

  Else if (($dev.)) ControllerKey - eq "$scsicontroller") - and ($dev. UnitNumber - eq "$scsilun")) {Write-Host "Selected SCSI address [$scsiid] is not a RDM"}

  }

  }

  #$hd1 = New-disk hard - VM $vmname - DeviceName $rdmDevicePath - DiskType RawPhysical # this line works

  $spec = $null

  $spec = new-Object VMware.Vim.VirtualMachineConfigSpec

  $spec.deviceChange = new-Object VMware.Vim.VirtualDeviceConfigSpec [] (1)

  $spec.deviceChange [0] = new-Object VMware.Vim.VirtualDeviceConfigSpec

  # Create vmdk file

  $spec.deviceChange [0] .fileOperation = "crΘer".

  $spec.deviceChange [0] .operation = 'Add '.

  $spec.deviceChange = new-Object VMware.Vim.VirtualDeviceConfigSpec [] (1)

  $spec.deviceChange [0] = new-Object VMware.Vim.VirtualDeviceConfigSpec

  $spec.deviceChange [0] .operation = 'Add '.

  $spec.deviceChange [0] .fileOperation = "crΘer".

  $spec.deviceChange [0] = new-Object VMware.Vim.VirtualDisk .device

  $spec.deviceChange [0].device.key = - 100

  $spec.deviceChange [0].device.backing = new-Object VMware.Vim.VirtualDiskRawDiskMappingVer1BackingInfo

  $spec.deviceChange [0].device.backing.fileName = "$filename".

  $spec.deviceChange [0].device.backing.deviceName = (($esx.)) Config.StorageDevice.ScsiLun | where {$_.} DisplayName - eq $rdmname}). DevicePath)

  $spec.deviceChange [0].device.backing.compatibilityMode = "physicalMode".

  $spec.deviceChange [0].device.backing.diskMode = «»

  $spec.deviceChange [0].device.connectable = new-Object VMware.Vim.VirtualDeviceConnectInfo

  $spec.deviceChange [0].device.connectable.startConnected = $true

  $spec.deviceChange [0].device.connectable.allowGuestControl = $false

  $spec.deviceChange [0].device.connectable.connected = $true

  # Key device for the SCSI controller

  $spec.deviceChange [0].device.controllerKey = [int] $scsicontroller

  # 7 SCSIID UnitNUmber is reserved for the controller - then go to 8.

  If ($scsilun - eq 6) {$scsilun = $scsilun + 1}

  # Take the next unit for the HD number

  $spec.deviceChange [0].device.unitnumber = [int] $scsilun

  $spec.deviceChange [0].device.capacityInKB = [int] $CapacityInKB

  $vm = get - View (Get - VM $VMname) USER.USER

  $vm. ReconfigVM ($spec)

  }

  Replace-VM-RDM $vmname $scsiid $rdmname $filename

• New hard disc RDM - selection of the mapping of rdm file creation

  Hi all

  I am trying to automate the creation of new RDM disks for virtual machines.

  Watch us row map separately files on a data store named, here is the sequence of orders.

  1. because I can't find the PoweCLI method to create the mapping of RDM file, I use vmkfs as below:

  vmkfstools - z/vfms/devices/disks/naa. XXXX01 /vmfs/volumes/clustername/SharedDisk/hostname/disk1.vmdk

  2. now, we have the mapping of rdm file, I would like to create a new physical disk RDM.

  New-harddisk - Contorller $controller DiskType - RawPhysical - DeviceName ' / vfms, devices, disks, naa.» XXXX01"- vm $vm

  However, this creates a new mapping file. I don't see how I can use the one I created above.

  Am I missing something? The operation of fixing using the existing mapping of RDM file is insignificant in the GUI.

  No, not missing anything.

  This scenario is not possible with the cmdlet New-hard drive I'm afraid.

  You can use a script that uses the ReconfigVM method.

  Through the Device.Backing property, you can specify the location of the VMDK file

• How to find all the controller ID: target used for the mapping of RDM on virtual machine

  I want to get a list of all the target ID used for ROW mapping on each controller.  Then next time, I can use the remaining ID of the target for RDM disk mapping using the perl script.

  I checked findVMsWithRDMs.pl but it shows an ID used target for each disc RDM. I use 5.5 ESXi servers and SDK for perl.

  Thank you

  Celine

  You will have to list all config.hardware.device devices, and then find the raw disk support type (to select the ROW).  Then look at the number of drive.  Then use it's value of controllerKey to get the controllers in config.hardware.device with the corresponding key and then get its value busNumber.  So it's busNumber:UnitNumber for the SCSI ID.

  You'll probably want to get all used SCSI identification numbers (use a hash such as BusNumber:UnitNumber-1 online).  Then you can quickly search number the first available bus.  That's what I generally find a free SCSI ID to add a new disk (including the ROW).

• Remove a mapped drive

  I have successfully mapped to a network drive on my laptop (Toshiba Satellite running Vista w / SP2). I could read and write to the disk until I restarted my computer. On reboot, Vista said that it was "could not reconnect all network drives" or something like that. My problem is identical to the problem described here: http://support.microsoft.com/kb/960646 I downloaded the fix, but I was told "the update does not apply to your system.  I went through the forum, and it seems that the problem is that Vista is looking for the mapped drive before you connect to the internet (a fall from a wireless network) and I want to remap the drive, but uncheck the "Reconnect at logon" option, but I can't find out how to remove the mapped drive (I have actually 2 instances of it). I looked through the forum and I'm missing somewhere. Any help would be greatly appreciated.

  SM

  Very well. Too bad. I feel so stupid now. I click right on the drive, and selected 'disconnect' and he removed the drive. I swear, I had tried that before and it didn't work. I don't know if it was restart the computer or something, but it worked. Thanks for your help anyway

  SM

• Simple mapping of RDM vs file several mapping of RDM files?

  Hello

  When you configure Microsoft Cluster nodes in a scenario of cluster-across-boxes (stream clustering) (two ESXi hosts, two-node cluster MSCS, with a bow on each ESXi host), I realize that using physical RDM Mode (pass-through RDM) is the way to go.  I also usually have to locate the C: drive (zero eager thick) for each cluster node on another volume VMFS to ensure two distinct areas of failure.  So, for example the C: drive of node of Cluster 1 (VM1) could be the Datastore1 and the C: drive of Cluster 2 node (VM2) might be on Datastore2.  Similarly, I always created RDM mapping files for each virtual computer as well, pointing to the same raw LUN.  For example, I would put the mapping of RDM for the quorum shared LUN on Datastore1 for VM1 and file a new mapping file RDM pointing to the same conditions of quorum LUN on Datastore2 for VM2.  In this way, the failure of Datastore1 will affect only VM1 and VM2affect only the failure of Datastore2 .  I did this for years (probably since ESX 2.5) and MSCS works very well in this configuration.

  However, I was re-reading of the official documentation of "configuration of Failover Clustering and the Microsoft Cluster Service" VMware and noticed that specific VMware at several locations as "a map file of RDM single and shared for each clustered disk is necessary."  In other words, they call for me to select 'existing hard drive' VM2, and then tap the RDM mapping file that I created on VM1, rather than creating a new fresh RDM for VM2 mapping file.  This seems to be "less safe" because the failure of Datastore1, or RDM 1 mapping file corruption, would result in the failure of VM2.  A separate mapping RDM for VM2, on a separate data store file would provide two distinct areas fault to two virtual machines.

  Does anyone know why VMware requires a shared single RDM mapping file?  Are there specific problems, caused by the presence of two separate files RDM mapping?

  Thank you

  Bill

  It seems that VMware has posted a KB that explicitly indicates that a pointer/mapping "single" RDM file must be used on all nodes of the cluster.  So I guess this settles my question!

  Several files of RDM pointer after the migration of storage (2131011)

  http://KB.VMware.com/kb/2131011

  Bill

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  http://social.Microsoft.com/forums/en-us/streetsandtrips/threads

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  Thanks a lot for your help!

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• Clean map of RDM files

  I just want to get clarification.  I removed some RDM tonight a virtual machine, but instead of removing and deleting, I just went with the removal of the RDM.  I now find myself with some of the mapping files and was curious to know if its ok just to remove @ this point?

  Hello

  The withdrawal of RDM mapping files will not cause any problem. When you add RDM back it will create again. It's so safe.

  Concerning

  Mohammed

• Help! Remove the snapshot

  Hello

  It is an Exchange virtual server. Someone on my team tried to take a snapshot, while it is online, and it has not been successful. It was to ask him something like do not include "memory of the Virtual Machine. He did and the snapshot was created. Now, when I look at the files on the storage directory, I'm confused. I do not understand why the vmsn file is so small and why there are three vmdk files (I have only two hard drives on this machine).

  This machine has two readers. A single system (drive C) and data (drive E). C is a virtual disk, while E is a Raw mapped LUNS ("Compatibility Mode: / persistent virtual /Independent"). It's time to remove the snapshot, but I'm not confident enough on that. Please see the picture I have attached. I need someone to clarify what these files and suggest a safe way to remove the snapshot. I can't afford much time for this critical server.

  Much appreciated,

  Eagleh

  Hello

  The suggested method for sure is to delete all the snapshots of the graphical user interface, as it has already been answered. The files that you see are the following:

  Exchange.VMDK - 1 volume logic, there is actually a hidden or both files which does not appear in the data store Navigator. Its called something like Exchange - flat hard

  2nd Exchange_1.VMDK logical volume. In this case, a pointer to a RDM and a hidden file which is the delta of the snapshot (Redo Log). This only works if the RDM is in compatibility from snapshot mode.

  Exchange - 000001.vmdk 1 logical volume delta file.

  images of memory *. VMSN VM in this case, it is small because the 1try failed, and the second was set to ignore the capture of memory.

  Hope that helps.

  Kind regards

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  http://blog.laspina.ca/

  vExpert 2009

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  Start your computer in safe mode.

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