Using WMI to Partition Disks & Create Volumes

Hi All,
I have been searching for a method of partitioning and creating volumes which does not use Diskpart, but have had a difficult time finding one.
I have a python library which runs on a Linux machine and remotely administers a Windows host via OpenSSH, and Linux and Solaris hosts via Ssh, in addition to various disk arrays located on a SAN. We have begun looking for a solution native to Windows, but
have been having a hard time finding any way of cutting up disks, short of using Diskpart. In the currently implementation, Diskpart is used, however a lot of screen scraping of the shell occurs and it can be very temperamental.
The hopeful solution is to use pyWinRM (or some other python module which can remotely administer Windows from Linux) to execute commands remotely. This has been successful in a number of simpler instances (getting drive letters, getting installed program
info, etc) but has failed when trying to do things that require interactivity (i.e. Diskpart). For your references, the pyWinRM module can only execute one command at a time, per shell, which is similar to PsExec and Paramiko.
Any suggestion or ideas are encouraged and welcomed

Hi AdamGHall,
As far as I know, WMI can not be used to create disk partiction, if you can run a windows powershell cmdlet from linux, maybe this cmdlet
New-Partition can be helpful for you to create disk partition.
I hope this helps.

Similar Messages

Cannot Partition or Create Volume in Disk Utility

I have a 3 TB disk that I used for video files that I now want to use for backup. So I wanted to erase and partition the drive to wipe it clean. So after going into Disk Utility and "trying" to erase and partition the drive, it now only shows the drive and no volumes. The problem is everything is pretty much greyed out and I cannot create or partition volumes. I don't know what I did wrong or what to do to fix it. I tried verifying and repairing the disc but that didn't do anything. The only buttons available are Verify, Info and Burn. What do I do to use the drive again? Please help, thank you

Apple has not provided an easy way to recover from this condition. If you can connect the drive to a computer running Windows or a version of OS X older than 10.7, erase it that way. Otherwise see this thread.

Vista used all of partitioned disk

I just used boot camp to put vista on my computer. The problem I am having is that I have downloaded minor applications such as notepad++ (html software), and I tried to put a video game on Vista and it said that I have no more room on the disk. Honestly the only programs I have is notepad++ and 7-Zip... Somehow boot camp used 29 GBs of my disk out of 31GB. Anyone ever encounter this problem!? Please help if you can.
Thanks.
^_^

30GB for the Vista partition? That is a bit too much. How many programs have you installed into your Vista64 partition, may I ask?
I played with a Vista x64 Business SP1 virtual machine on my own PC using VMware Workstation and a clean installation (without any software installed) uses only about 8 GB (not including the swap file), although that is still too large in my opinion. A clean XP SP3 installation would take up only about 1.5-2 GB.
If it is indeed true that after you installed SP1 the disk space available was reduced by several GB, I would think those are "backup" files that could be removed after you verified SP1 runs correctly.

We have created two partitions in removable drive(USB). One of the partition is active and the other is hidden. We are trying to acess the hidden partition in Win PE 3.0 environment using WMI

We have created two partitions in removable drive(USB). One of the partition is active and the other is hidden. We are trying to access the hidden partition in Win PE 3.0 environment using WMI. VBScript code snippet used to detect the partitions is given
below:-
SetobjWMIService = GetObject("winmgmts:"_&
"{impersonationLevel=impersonate}!\\"&
strComputer & "\root\cimv2")
SetcolDisks = objWMIService.ExecQuery
Select * from Win32_LogicalDisk")
It will return the partition which is active but fails to list the partition which is hidden. The same piece of code was supported on WinPE 2.0

I am giving the complete code, may be you are able to understand better. We are using Win32_LogicalDisk to retrieves the complete information of all the drives (like C:, D:) including removable drives.
Function
LocalDriveFound()
    strComputer =
SetobjWMIService = GetObject("winmgmts:"_
"{impersonationLevel=impersonate}!\\"&
strComputer & "\root\cimv2")
SetcolDisks = objWMIService.ExecQuery
"Select * from Win32_LogicalDisk")
ForEachDiskDrive
IncolDisks
        DriveLetter = Left(DiskDrive.Name,1)
        DriveType = DiskDrive.DriveType
        VolumeName = DiskDrive.VolumeName
        WScript.echo Driveletter &
"|"& Drivetype &
"|"&VolumeName
SelectCaseDriveType
Case2 ,3
'Fixed or removable
If(VolumeName=USBVolumeName)
Then
If(DriveLetter<>
"Z")
Then
                    ChangeDriveLetterWithMountvol DriveLetter,
"Z"
EndIf
                bIsLocal=
True
EndIf
If(VolumeName=USBRootName)
Then
If(DriveLetter<>
"Y")
Then
                    ChangeDriveLetterWithMountvol DriveLetter,
"Y"
EndIf
                bIsLocal=
True
EndIf
CaseElse
EndSelect
Next
SetDrives =
Nothing
SetFileSystemObject =
Nothing
End
Function

Purchased a new Macbook Pro 13". I used migration assistant to transfer. I can't backup to time capsule. I am getting on error The backup disk image "/Volumes/Herb's Time Capsul/Herb MacBook Pro.sparsebundle" could not be created (error 17). Help

Purchased a new Macbook Pro 13". I used migration assistant to transfer. I can't backup to time capsule. I am getting on error "The backup disk image “/Volumes/Herb's Time Capsul/Herb MacBook Pro.sparsebundle” could not be created (error 17). Help!

Launch the Keychain Access application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Keychain Access in the page that opens.
Select the System keychain in the list of keychains in the sidebar of the window. If you don't see the list, click the down-arrow icon below the sidebar.
Then select Passwords in the Category list at lower left. Click the Kind heading in the list of keychain items to arrange it by Kind.
Locate the AirPort Disk Password with the name of your Time Capsule. Double-click the item and check the box marked Show Password in the inspector window that opens. You'll be prompted for the administrator login password. Make a note of the AirPort password, then close the inspector window and delete the item.
Also delete any other AirPort DIsk Password items for that same Time Capsule, which may have had a different name in the past.
Quit Keychain Access and try again to back up.

I wanted to create two partitions on my iMac w/ Lion using a Recovery USB i created using Lion Recovery Disk Assistant but I keep getting Partition failed message saying "couldn't unmount disk"

I have this recently purchased iMac that comes with a Lion but I wanted to have two partitions on the hard disk. I know that the Recovery HD partition is on the same hard disk so I downloaded the Lion Recovery Disk Assistant and created a Recovery disk using a USB. I boot up the system using the USB Recovery disk and run Disk Utility to create 2 Partitions on the hard disk but I get a Failed partition message saying "couldn't unmount disk". What could be the problem here?

admench wrote:
Thanks for your continued help Tony. Do you mean normal boot into the regular operating system setting i.e. no keys held down in bootup? I think I have tried this, with the same result.
Yes, that's what I meant. If that doesn't work, verify that you have a G.U.I.D. partition scheme (you probably do):

Adding a volume to an already partitioned disk?

Hi everyone,
I am quite savvy when it comes to the Mac; working with different settings through Terminal and using Disk Utility, etc.
As the title says, I am trying to add another partition to my already partitioned Hard Drive, however, I'm having some trouble. I think it will be easiest to outline my current volume setup:
CURRENT: http://cl.ly/3ttK <-- Image
Snow Leopard - 200 GB
Media - 225 GB
Scratch - 75 GB
And what I want to do:
Snow Leopard - 150 GB
Media - 225 GB
Scratch - 50 GB
Design/Development - 75 GB
Using Disk Utility, I went in and changed the sizes of the current volumes to the new sizes.
I clicked on the '+' to add a new Volume to the Disk. When you hover over the '+' button, the description mentions: "Create a partition from unallocated space on the disk". This makes me think that after I had reduced the sizes of the current volumes, clicking this button would create a volume the size of the unused space on the disk.
This isn't the case though. Pressing the '+' adds a new Volume to one of the already created Volumes…
I've thought of changing the Volume Scheme to 4 (only possible while booting from the install discs), however I'm afraid that this will erase all of my data as when I choose this option, all of my current Volume names are no longer there (it's tough to explain this and because I'm booting from the disc at this point, I can't take a screenshot).
Does anyone have any idea how to add another Volume or if changing the Volume Scheme to 4 will do the trick?
Sorry if this has all been confusing, it's tough to get across
Thanks!

AirNJ15 wrote:
This isn't the case though. Pressing the '+' adds a new Volume to one of the already created Volumes…
Actually, that would spit an existing volume.
I've thought of changing the Volume Scheme to 4 (only possible while booting from the install discs), however I'm afraid that this will erase all of my data
*CORRECT !*
Sometimes you can resize partitions, but only by moving the bottom of a partition in the diagram. You cannot move the top.
So it looks like what you want to do is split the Snow Leopard partition, making it 150 GB, and make the remaining 50 GB your Scratch partition.
Then just rename the current Scratch partition to Design/Development.
See [Formatting, Partitioning, Verifying, and Repairing Disks|http://web.me.com/pondini/AppleTips/DU.html] (or use the link in *User Tips* at the top of this forum) for details.
|
However . . . this sort of scheme is rarely a good idea. If you're doing it to speed things up, it most likely is actually slowing things down.
Unlike some other operating systems, OSX is designed to work best with everything in the same partition. What you're doing guarantees longer seek times, as the head must travel over all that empty space when it needs to go from something in one partition to something in another.
It also greatly reduces the effectiveness of OSX's "Adaptive Hot File Clustering:" OSX will move things around to get the files it uses the most onto the fastest part of the disk (the top of the diagram), and things that are frequently referenced together in the same part of the drive. As your habits change, it dynamically adjusts to optimize performance.
As it stands, your Scratch partition is on the slowest part of the disk.
Another problem that you don't seem to have (yet) can be having the free space divided up; if the free space in any partition gets too small, your Mac may slow down, and eventually data may be corrupted, apps may crash, and in the extreme your Mac will crash and refuse to restart.

Even after resets get "The backup disk image "/Volumes/FreeAgent GoFlex Drive/MacBeth (2) 1.sparsebundle" could not be created (error 22)."

HELP! "The backup disk image “/Volumes/FreeAgent GoFlex Drive/MacBeth (2) 1.sparsebundle” could not be created (error 22)."
TC estimates over 750GB for full backup.
Late 2010 MBA is connected wirelessly to
802.11n (1st gen) TC that is connected via ethernet hub built into house to motorola router using charter.com for internet.
I have had same problem for over 150 days and multiple reboots, restarts in proper order, firmware updates, unplugs with 5min plus gaps, bypassing the tc and using external 500gb WD mybook via usb to time capsule, replacement of the WD mybook to new 2TB Free Agent GoFlex drive, etc, etc, etc! Note: I originally named my MBA hard drive MacBeth, but at some point months ago, it said backup already existed and system automatically created MacBeth (2), worked for a while, then stopped again, despite trying nearly daily.
I gave up and started using Carbon Copy Clone daily for just the 128gb on internal SSD of my late 2011 11" MacBook Air, but need to get past these time capsule errors to back up the external disk! Due to lack of space in MBA, I had long ago transferred both itunes and iphoto and all imovie/fcpx files to a 1tb external disk (WD Passport) that I keep in my bag with MBA. It is partitioned with 150gb for cloning the MBA, and over 750gb for media/itunes/iphoto/etc.
Also, I have endured months of "your hard drive is full" messages and system lockups, applying the solution given to me by genious bar (deleting all aol.com outboxes/recovered messages/spam/trash under library/mail/V2/Mailboxes folders, empty trash, restart....watch recovered hard drive space mysteriously shrink next couple days to zero.....repeat)
Due to lack of space, I had not been able to do javascript and other system updates. Yesterday, I noticed even safari bookmark bar had mysteriously emptied (not disappeared, I can hide and show the space where the bar used to be - it is just blank area with no data except for eyelass-book-topsites icons), so I transferred a few large quicktime movie files recorded with isight camera to the external disk, and freed up 20 gbs for the first time!
This got my hopes up yesterday because after I completed all system/software updates, suddenly the bookmark bar showed up and I was able to start the time capsule backup! It took overnight preparing for backup, but finally started and progressed to 12gb of the 100gb+ needed (i guess the update where it left off months ago for the estimated 750gb for the full backup?), then I put system to sleep and took it with me (thus leaving the wireless time capsule network as I do daily fully expecting it to continue when I returned home in the evening.) But alas, upon return, back to the "Time Machine could not complete backup, The backup disk image ".....sparsebundle" could not be created (error 22)" Ugh! More reboots, unplugs, 5min gaps....still Ugh!
So the problem continues...please help! Here are my settings:
About this mac:
Mac OS X V. 10.7.5
processor 1.6 ghz intel core 2 duo, memory 4 4g 1067 MHz DDR3
software up to date!
Airport Utility:
V 6.2 (620.33)
both internet globe and TC show green dots in graphic, however internet occasionally shows yellow then goes to green, but still gets error 22. Suddenly TC showed explanation mark and says lost connection and asked if I wanted to 'forget', gave same errors, then mysteriously went back to green, but still got error 22!.
Internet:
connection: connected, displays router address, 2 dns server, and domain name: charter.com
Time Capsule:
shows network, ip address, serial number, version 7.6.3, status: (green dot) Setup over WAN,
wireless clients: phones, macbooks (including this MBA), printers, wii
If you need other settings to help me, just ask! I have read a few of the other solutions in forums, but trying not to erase disks, especially since it worked for a minute yesterday!

To step sideways.. why not just use CCC to backup the 750GB of the hard disk to the TC.
You need to understand this is going to be a super slow process and each time you stop it.. it is going to give issues. CCC will at least do a more reliable job of it than TM.
I would also say.. this is going to be tough without ethernet. You need to understand the backup speed over wireless can be 10GB per hour.. that makes 75hrs to backup the disk. The air needs to run non-stop doing that.. without you touching it.
I would get another external drive.. plug that into the MBA and if you really want to use TM.. make a backup one to the other.. but CCC will again do a better job and work faster. It will be much faster than over wireless.
I am trying to think of ways around the issue of just speed.. but plainly you have lots of other issues.. being the simple unreliablity of the TM to identify the TC.
If you want to make this work.. give yourself a weekend.
Load 5.6 utility into the MBA..
http://support.apple.com/kb/DL1482
Take the TC back to 7.5.2 firmware. It is a really old version and latest firmware does it no good at all.
Wipe its hard disk using erase and start over.. give it new names for everything.
So call it TC
Set the wireless to 5ghz and name it TC5ghz
Use WPA2 Personal security. Use a 10 character passkey non dictionary.
At 5ghz you should get 2x the speed as at 2.4ghz but the air will need to be right next to the TC..
(alternatively buy the USB to ethernet cord apple have available.. it is $30 in the apple store and do it over pseudoethernet. http://store.apple.com/au/product/MC704ZM/A/apple-usb-ethernet-adapter That is the wrong store but you get the idea. )
WIth a fully clean system.. now do a full reset of TM.
See A4 http://pondini.org/TM/Troubleshooting.html
Direct the TM to back to the TC.. and make sure the external hard disk is not excluded.
Of course the TC has to be 1TB version to fit that much data.. goes without saying right.
Even over pseudo - ethernet this will take many hours.. and you basically have to leave it to work.. do not touch it.. make sure the MBA cannot sleep though.. turn off sleep.. beforehand.

"Unable to determine destination partition, disk or drive" when Media deployment is used

We are heavy users of MDT 2013's "media" deployments -- in fact, once we finish testing a new image build on our lab server, media is created and is the sole method we use to deploy new systems due to many limitations.
We ran into the following issue lately when using USB sticks or hard drives for our deployment media. Deployment of an OS image fails at the "Inject Drivers" stage. The hard disk inside the computer is formatted properly, but the TS fails with
the error "Unable to determine destination partition, disk or drive".
I dug into the logs, and it appears that "Inject drivers" does a check for where the \Drivers folder should be placed. The problem is that most USB hard disks and many higher-end USB sticks show up as "hard drives" rather than "removable
media" when plugged into the machine. Adding another physical disk that appears as a fixed disk with an NTFS partition apparently confuses MDT and you get this error message. I think any "ReadyBoost enabled" USB stick has to show up on the system
as a fixed disk rather than removable, so if you use these you might have this problem.
The only workaround is to explicitly specify the disk number and partition number to use when you invoke "Install Operating System." The drivers step must take this information when determining where to put the driver store.
Is there any other explanation for why this would be happening? We're stuck with media deployment for the foreseeable future, and until Microsoft fixes the problem with handling of split WIM files, we have to use NTFS formatted disks/sticks...this might
be making it harder for the MDT logic to determine where to put the OS.

MDT should be smart enough to know that it should Skip USB drives.
However if you have a USB 3 Hard DIsk (not a USB Flash Disk), that might be the problem
1. Try using only Flash Drives.
2. Try plugging the USB Hard Drive into a USB 2.0 port
3. Additionally try not to use USB Hard Drives that are *Larger* that the internal hard drive.
If you still have problems, can you copy your Bdd.log file to a public site like OneDrive and share the link?
Keith Garner - Principal Consultant [owner] -
http://DeploymentLive.com

The backup disk image "/Volumes/FW1000HD/MacBkPro.sparsebundle" could not be created (error 1).

I added an 1TB external usb hard disk to my time capsule as the existing 1TB hard disk is nearly full (less than 12 GB left on time capslule hard disk). Initially, I connected external hard disk to my MacBookPro (late 2009 Intel machine) and erased most of the data on that disk. I added the disk to time machine's backup disks thru the time machine window in system preferences. Now I supposedly have both hard disks, the one in the time capsule and the new usb hard disk, available for backup. Time Machine immediately backed up my system, which consists of my MacBookPro hard disk (about 96.8 GB) and another external usb hard disk which contains about 500 GB of data, on the new extenal hard disk.Time Machine did not attempt to create a new sparsebundle at that time on my new external backup disk. This backup was done while the new backup hard disk and the data disk were both connected to the MacBookPro and the Time Capsule was directly connected by ethernet cable to the MacBookPro. I then disconnected the two hard disks from the MacBookPro and reconnected them both via usb to the Time Capsule. Now, hopefully, the external usb backup hard disk can be written to via wi-fi thru the usb connection thru the Time Capsule? I successfully use the data disk (which contains my full iTunes Library) from the Time Capsule all of the time.
Time Machine has continued to backup small backups of a few MB to a few hundred MB to the Time Capsule hard disk. Time Machine has attempted at least twice that I know of to set up a sparsebundle on the new external backup hard disk, but it has failed both times with the following message:
The backup disk image “/Volumes/FW1000HD/MacBkPro.sparsebundle” could not be created (error 1).
Before the two attempts that I witnessed to create the sparsebundle on the new backup drive, I got the following message:
The identity of the backup disk “FW1000HD” has changed since the previous backup.
I did not change the identity of the FW1000HD, but it originally was connected directly to the MacBookPro when it was backed up. Could this be the problem? And if so, how do I fix this, so I can use this hard disk for back up from the wi-fi connection to Time Capsule?
Gary Olson

I'm not sure this is at the root of your problems, but Time Machine manages backups to a local disk differently than to a network disk. The Time Machine backup written to the disk while it was connected locally can't be used for network backups.

HT3275 I'm receiving an error message that reads "The backup disk image '/Volumes/Data/my name's iMAC.sparesebundle" is already in use. The time capsule is not backing up any files.

The Time Machine is not completing thte backup to my Time Capsule. I am receiving a message which reads "The backup disk image "/Volumes/Data/Mac Jet's iMAC.sparsebundle" is already in use." I cannot locate the source of the problem or what steps need to be taken to get the Time Capsule operating.

Hi, see if it shows here...
In Finder's Menu, select Go menu>Go to Folder, and go to "/volumes". (no quotes)
Volumes is where an alias to your hard drive ("/" at boot) is placed at startup, and where all the "mount points" for auxiliary drives are created for you to access them. This folder is normally hidden from view.
Drives with an extra 1 on the end have a side-effect of mounting a drive with the same name as the system already think exists. Try trashing the duplicates with a 1 or 2 if there are no real files in them, and reboot.
If it does contain data...
http://support.apple.com/kb/TS2474

This disk doesn't use the GUID Partition table scheme.

When I Install the Lion. It is stuck.
Lion This disk doesn’t use the GUID Partition table scheme.Use disk Utility to change the partition scheme.Select the disk,choose the Partition tab,select the Volume Scheme and then click Options.
The last step has problem.
I can not click Options.

In order to repartition the startup drive you will have to boot from your Snow Leopard DVD, select Utilities and then Disk Utility. YOU MUST ERASE YOUR DISK TO CHANGE THE PARTITION TABLE. The good news is that I see you have a Time Machine backup. Make sure that your backup is current before you erase your startup disk.
Even before doing this, save a copy of the Lion installer (it is in the Applications folder) onto an external device. Your external hard drive is a good spot; it won't interfere with your Time Machine backup. This will prevent you from having to download the installer again.
The easiest way to proceed after making sure your Time Machine backup is current, saving a copy of the Lion installer, and repartitioning your startup disk, is to reinstall Snow Leopard on your newly partitioned disk. This will take a little longer but it is simple and is fully supported by Apple. Once that is done and you are running Snow Leopard on your startup disk again, run the Lion installer from whereever you saved it, and then restore your files and settings from your Time Machine backup during the install process.
There is an unsupported procedure for making a bootable Lion DVD, but it is more complex and is not supported by Apple. If you are uncomfortable with any of this and have access to an Apple Store, make an appointment at the Genius Bar and they can help you through the process.

Time Machine couldn't complete the backup to "Time Capsule. The backup disk image /Volumes/Data/MacBook Pro.sparsebundle could not be created (error 60)"

We are Mountain Lion using Time Machine to backup to Time Capsule. When the backup tries to run, an error appears after a couple of minutes saying "The disk you inserted was not readable by this computer." Then an error shows up saying "Time Machine couldn't complete the backup to "Time Capsule.The backup disk image /Volumes/Data/MacBook Pro.sparsebundle could not be created (error 60)"
I low level reformatted the Time Capsule and that didn't fix it. I then tried using Time Machine on another computer to back up to that same Time Capsule and it worked- so I'm doubting it's the Time Capsule.
I've noticed that when Time Machine runs, that a folder called Data at /Volumes/ appears while Time Machine is trying to back up. I think it's making the sparsebundle to transfer to the Time Capsule.
However, after a couple of minutes- it comes back saying that the disk is unreadable.
I think it's something wrong with either creating the sparsebundle or opening the disk image that seems to be a part of the Time Machine backup process on the local drive.
I am able to create a disk image with Disk Utilitiy without any problem on that system. I've repaired the disk and disk permissions with Disk Utility and replaced the directory with Disk Warrior. I've trashed what preference files I could find and restarted. I've completely removed the backup destination from the computer and added it back again.
Help!
Thanks,
Neil

neillhowell wrote:
I've noticed that when Time Machine runs, that a folder called Data at /Volumes/ appears while Time Machine is trying to back up. I think it's making the sparsebundle to transfer to the Time Capsule.
Yes, exactly. It makes one sparse bundle per Mac.
It's possible the TC's disk is too full for a new sparse bundle, or there may be some other problem.
Via the Finder, locate the existing sparse bundle (see the pink box in Time Machine - Frequently Asked Question #17 if you're not sure how to do that). See how large it is (plus how large anything else that may be there). If the total is very near the size of the TC, that may be the problem.
If not, a clue may be lurking in your logs. Use the widget in #A1 of Time Machine - Troubleshooting to display the backup messages from your logs. Locate the backup in question (probably the first one displayed), then copy and post all the messages here.

HT3275 how do i fix this error - The backup disk image "/Volumes/My Passport/EDS MAC.sparsebundle" could not be created (error 1).

When trying to use Time Capsule on my passport I get this message
The backup disk image “/Volumes/My Passport/EDS MAC.sparsebundle” could not be created (error 1).

That should be a C9 or C17 error.. see
http://pondini.org/TM/Troubleshooting.html
Try rebooting everything.. as something has lost connection.. perhaps.
Make sure the disk is actually available in finder.. and try mounting it.

HT3275 Can you please let me know how I can correct the following which appears during back up with time machineThe backup disk image "/Volumes/Andreas ZERVOS's Time Capsu-1/Andreas Zervos's MacBook Pro 1.sparsebundle" could not be created (error -1)

Can you please help me to solve the following problem occuring during back up with time machine?
The backup disk image “/Volumes/Andreas ZERVOS's Time Capsu-1/Andreas Zervos’s MacBook Pro 1.sparsebundle” could not be created (error -1)

Hello,
I'm not sure what it means, but...
http://www.levelofindirection.com/journal/2009/10/10/using-a-networked-drive-for -time-machine-backups-on-a-mac.html
http://www.coastalvectors.com/blog/2011/02/understanding-time-machine-and-sparse -bundles/
Have you looked through Pondini's extensive TM help site?
http://Pondini.org/TM/FAQ.html
I can't imagine anything TMwise not covered.

Using WMI to Partition Disks & Create Volumes

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