How to shrink a virtualbox virtual machine and free up disk space

I had a number of Ubuntu VM’s installations, and the host can also be Ubuntu 10.04 LTS. After I deleted the VM’s, the space wasn’t reallocated to the host.

Have you learnt any resolution?

2 Solutions 2

Begin VirtualBox and from File->Virtual Media Supervisor take away your virtual disks.

Deleting virtual exhausting disks with Virtual Field Supervisor

From the VirtualBox Supervisor you’ll be able to simply handle you virtual exhausting disk by choosing File -> Virtual Media Supervisor or by urgent Ctrl + D .

This can show a listing of all virtual exhausting disks identified to the Virtual Field Supervisor:

Virtual exhausting disk which can be hooked up to a virtual machine or that comprise snapshots want to be launched first. Thoughts that after releasing a exhausting disk you’ll not longer find a way to run this virtual machine. Deleted machines will mechanically be launched. Provided that a exhausting disk is just not hooked up to a VM you’ll be able to take away it:

After a safety message you should have the choice to free the space occupied on you exhausting disk by deleting the virtual exhausting disk file or to preserve this file for additional utilization:

Manually delete virtual exhausting disks

The Virtual Field Media Supervisor is the popular technique to delete exhausting disk file as solely then all associations to Virtual Field are launched securely.

Nonetheless in the event you had eliminated the Virtual Field software you want to manually delete the virtual exhausting disk *.vdi information which can be saved within the location you outlined in Preferences -> Basic -> Default Machine Folder both along with your file supervisor (e.g. Nautilus) or from the command line.

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I used to be following this instruction to attempt to shrink my virtual nixos. It says,

You may’t really use zerofree in your / partition when you’re booted into the usual Linux surroundings. As an alternative, you’ll need to boot into a particular restoration mode the place your regular root partition isn’t mounted.

However I can not discover a place to boot into restoration mode in nixos. Query: How to boot into some mode the place my root partiion is not mounted in nixos? Or how do I do zerofree in nixos?

1 Reply 1

NixOS doesn’t have a restoration mode that makes use of another root filesystem. You are able to do it your self by including further entries to your bootloader by including boot.loader.grub.extraEntries to your configuration.nix . This manner, you’ll be able to boot into an one other partition. You will have to put together an additional set up on that partition. However contemplating that it is a VM there’s in all probability a higher possibility:

It’s possible you’ll find a way to connect the basis filesystem of your stopped VM to a VM that has its personal rootfs with zerofree on it. This manner, you will not have to muck about with further partitions.

With the understanding, I discovered SystemRescueCd Dwell Picture can also be a good resolution. It use SystemRescueCd Dwell Picture to open a root terminal and zerofree. Then I haven’t got to make further partitions or open one other VM. Thx on your rationalization!

I had a number of Ubuntu VM’s installations, and the host can also be Ubuntu 10.04 LTS. After I deleted the VM’s, the space wasn’t reallocated to the host.

Have you learnt any resolution?

2 Solutions 2

Begin VirtualBox and from File->Virtual Media Supervisor take away your virtual disks.

Deleting virtual exhausting disks with Virtual Field Supervisor

From the VirtualBox Supervisor you’ll be able to simply handle you virtual exhausting disk by choosing File -> Virtual Media Supervisor or by urgent Ctrl + D .

This can show a listing of all virtual exhausting disks identified to the Virtual Field Supervisor:

Virtual exhausting disk which can be hooked up to a virtual machine or that comprise snapshots want to be launched first. Thoughts that after releasing a exhausting disk you’ll not longer find a way to run this virtual machine. Deleted machines will mechanically be launched. Provided that a exhausting disk is just not hooked up to a VM you’ll be able to take away it:

After a safety message you should have the choice to free the space occupied on you exhausting disk by deleting the virtual exhausting disk file or to preserve this file for additional utilization:

Manually delete virtual exhausting disks

The Virtual Field Media Supervisor is the popular technique to delete exhausting disk file as solely then all associations to Virtual Field are launched securely.

Nonetheless in the event you had eliminated the Virtual Field software you want to manually delete the virtual exhausting disk *.vdi information which can be saved within the location you outlined in Preferences -> Basic -> Default Machine Folder both along with your file supervisor (e.g. Nautilus) or from the command line.

I would like flip a bodily machine operating MS Home windows 7 into a VirtualBox virtual machine. That is simple, I’ve finished this earlier than, however this time I wanted the virtual dimension/capability of the disk to be a fastened and smaller dimension.

It wants to be fastened as a result of I’ll set up PGP disk encryption on it for compliance causes. This can develop a dynamic disk to it most dimension.

Other than this particular case there are different causes for wanting disks to be smaller and fastened. Is my expertise. Should you run for instance a Jenkins construct server on a dynamically increasing disk you could possibly see the disk increasing rapidly to its most dimension whereas within the visitor OS disk space utilization is secure and there may be plenty of free space.

Utilizing Disk2vhd I’ve created a vhdx file. This file I transformed to vdi format.

Purportedly with vdi you could possibly lower virtual dimension/capability with instructions related to

I discovered that this does not work. Even in the event you attempt variants you’ll constantly get error messages like:

Progress state: VBOX_E_NOT_SUPPORTED VBoxManage: error: Resize exhausting disk operation for this format is just not carried out but!

Beneath is the disk format of my vdi disk. I added this to a Ubuntu VM to have a look at it utilizing Gparted and CloneZilla. Capability is round 300GB. Unallocated 145GB. Used is round 153GB.

I would like to shrink capability to round 160GB. This ought to be sufficient to match /dev/sdb1 and /dev/sdb2 .

BTW, I attempted CloneZilla but it surely additionally doesn’t appear to like to shrink the capability to a smaller disk. I attempted varied settings in CloneZilla however no success.

How can I lower virtual dimension/capability?

6 Solutions 6

Deallocate space on the finish of disk in visitor OS, the place space >= dimension(source-disk) – dimension(new-disk). Usually by shrinking final partition.

Flip off virtual machine.

Create new Virtual Field disk with desired dimension.

Transfer content material from outdated disk to inside new disk:

Activate virtual machine.

You might have to resize partition in visitor OS to fill the remainder of the disk relying of the space deallocated on step 1.

That is the actually appropriate method to convert a dynamic vdi which create use a very giant partition to a new vdi (possibly fastened dimension format for efficiency motive). I do not know why nobody up this reply and want the dd method .

What do you imply by “deallocate space on the finish of the disk”? Are you referring to shrinking the vdi file on the host, as of this query: superuser.com/questions/529149/…

Utilizing vboxmanage clonehd “source-disk.vdi” “new-disk.vdi” –existing destroys the partition desk on the right track picture.

FYI vboxmanage clonehd is now vboxmanage clonemedium disk ( clonehd continues to be accepted for backward compatibility).

In the long run I managed to resolve this puzzle in a surprising simple method utilizing the preinstalled command line utility dd see Disk Cloning. As proven beneath I now have my 160GB drive in my visitor OS saved in a 160GB fastened VirtualBox vdi file.

I solved it utilizing following steps:

  1. Resize the disk utilizing Disk Administration in MS Home windows to a dimension equal or higher a little smaller than the scale of the VDI.
  2. Add supply vdi MSWIN7.vdi with MS Home windows 7 to a Ubuntu VM as a second disk.
  3. Create a new fastened 160GB vdi and additionally add this to the Ubuntu VM. Now there are three disks: /dev/sda1 with the operating Ubuntu VM, /dev/sdb2 with the supply MSWIN7.vdi and /dev/sdc1 with the brand new vdi.
  4. Create the proper partitioning on /dev/sdc . CloneZilla did this for me. It didn’t copy information but it surely did create the partitioning I wished. In fact you are able to do this manually.
  5. Copy sdb to sdc with dd command related to sudo dd if=/dev/sdb of=/dev/sdc . The command ends with a no space left error message, that’s anticipated. This I ignored as a result of that is simply unallocated space that it failed to copy.

I feel it’s doable to run the command for every partition. Possibly it’s higher and is not going to present an error message. sudo dd if=/dev/sdb1 of=/dev/sdc1 and sudo dd if=/dev/sdb2 of=/dev/sdc2 .

In my case I had a home windows VM with 50GB vdi to shrink to 20GB.

I’ve tried Andre Figueiredo resolution however I had a drawback with the cloned vdi .

After I apply Andre Figueiredo resolution and connect the shrinked vdi to the VM, whereas booting, Virtualbox stops with I/O error.

Maybe that is associated to my btrfs filesystem (I heard btrfs causes issues with Vritualbox vdi ).

My resolution:

I attempted a totally different resolution so as to shrink the VM disk ( vdi ), named OVdi, (OVdi has disk dimension of 50GB, single ntfs partition with 40GB free space).

Let’s observe these steps (that is my case, you’ll be able to adapt/invent totally different vdi names):

cease the VM (poweroff)

create a new disk ( vdi ) with identify DVdi of desired dimension (20GB my case..)

connect DVdi to the VM

boot VM and set up the utility EaseUS Backup Free

Execute EasyUS and use the EasyUS Clone operate (it clones OVdi MBR, and the ntfs partition of OVdi by shrinking to new disk DVdi)

Poweroff the VM

Detach OVdi from VM

Examine if DVdi is the primary boot machine for the VM

Do not forget to delete the OVdi quantity.

Following these steps I efficiently lowered the VM disk dimension from 50GB to 20GB

I imagine this resolution is extraordinarily harmful! It depends upon all of the information being within the first 153 GB of the unique 300 GB partition. The dd command doesn’t copy information. It merely copies ALL blocks in sequence. Thus, in the event you had been unlucky sufficient to have vital information AFTER the 160 GB cutoff, dd is not going to know to copy them.

The standard resolution I’ve seen in lots of, many posts is to energy up the Home windows VM and use some mixture of defrag instruments and administrative instruments to consolidate all information to the entrance of the disk – the issue is that many defrag instruments don’t transfer unmovable Home windows system information (I had to flip off System Restoration to delete a 7 GB unmovable chunk of disk), that are someplace in the midst of the space you are attempting to consolidate.

After getting consolidated information to entrance of disk (MyDefrag is a freeware device that gives a show of the place on disk your information are), you have to cut back the scale of your Home windows partition. I used the diskpart device with the shrink possibility.

At this level, you should use dd to copy the now smaller partition to a new vdi.

I’ve additionally used vboxmanage modifymedium win10.vdi –compact, on my Linux host, however I first had to run sdelete.exe throughout the Home windows system to zero out all of the unused space first (sdelete -z c:). Utilizing vboxmanage to compact the prevailing vdi file permits you to do all the pieces in-place (however at all times have a backup).

This text explains the steps wanted to compact a VirtualBox Disk Picture the place the visitor working system is Linux.

VirtualBox is a Internet Reliant favourite when it comes to virtualization. It’s a skilled, enterprise grade resolution that runs on Home windows, Linux, Macintosh, and Solaris hosts.

VirtualBox permits for versatile storage administration by permitting for the creation of dynamically allotted visitor pictures.

Most customers go for the dynamically increasing pictures in VirtualBox as they don’t want to restrict themselves to a small virtual disk dimension and on the similar time don’t want to waste disk space on their host whereas the visitor would not really need it.

Though these pictures will initially be very small and occupy minimal storage space, over time the photographs will develop. That is due to the picture increasing each time a disk sector (virtual) is written to for the primary time.

To assist cut back extra disk utilization, VirtualBox supplies a mechanism for compacting dynamically allotted visitor pictures. Beneath are the steps to observe in case your visitor working system is Linux:

  1. Begin the Linux virtual machine;
  2. Clear the free space on the disk of the Linux virtual machine;
  3. Shutdown the Linux virtual machine;
  4. Use the VirtualBox VBoxManage utility to compact the Linux visitor picture.

Step 1: Begin the Linux Virtual Machine

Begin the Linux Virtual Machine and log in with administrative rights.

Step 2: Clear any free disk space

The best method to clear free disk space on a Linux drive is to use the Linux dd utility which is a bit-stream duplicator. Open up a terminal window and sort the next command:

This command will zero-fill any free disk space on the virtual Linux drive.

  • if= specifies the enter file;
  • /dev/zero signifies a bit-stream of zeros
  • of= specifies the output file
  • zerofillfile identify of the file containing the bit-stream of zeros
  • bs= signifies the block dimension
  • 1M signifies that the block dimension shall be 1 megabyte

As soon as the dd has accomplished, you will note a message in your terminal window indicating that there isn’t a space left on the machine:

Now you can take away zerofillfile utilizing the Linux rm utility:

Step 3: Shutdown the Linux Virtual Machine

Finish your session and shutdown the Linux Virtual Machine.

Step 4: Compact the Linux visitor picture

To compact the Linux visitor picture, use the VirtualBox VBoxManage utility. Assuming a Home windows host, use the next command on the DOS immediate:

Be sure that you substitute the gadgets in sq. brackets along with your parameters.

In case your Home windows host complains that VBoxManage can’t be discovered or is an invalid command, you might want to explicitly specify the trail to the VirtualBox executables. So a full instance for compacting a Linux visitor picture on the DOS immediate is as follows:

As soon as the VirtualBox VBoxManage utility is operating you will note progress indicators in 10% increments ranging from 0% to 100%. And as soon as the method is full, it’s best to have a smaller disk picture file.

This text explains the steps wanted to compact a VirtualBox Disk Picture the place the visitor working system is Home windows.

VirtualBox is a Internet Reliant favourite when it comes to virtualization. It’s a skilled, enterprise grade resolution that runs on Home windows, Linux, Macintosh, and Solaris hosts.

VirtualBox permits for versatile storage administration by permitting for the creation of dynamically allotted visitor pictures.

Most customers go for the dynamically increasing pictures in VirtualBox as they don’t want to restrict themselves to a small virtual disk dimension and on the similar time don’t want to waste disk space on their host whereas the visitor would not really need it.

Though these pictures will initially be very small and occupy minimal storage space, over time the photographs will develop. That is due to the picture increasing each time a disk sector (virtual) is written to for the primary time.

To assist cut back extra disk utilization, VirtualBox supplies a mechanism for compacting dynamically allotted visitor pictures. Beneath are the steps to observe in case your visitor working system is Home windows:

  1. Begin the Home windows virtual machine and delete any pointless information;
  2. Defragment the disk of the Home windows virtual machine;
  3. Clear the free space on the disk of the Home windows virtual machine;
  4. Shutdown the Home windows virtual machine;
  5. Use the VirtualBox VBoxManage utility to compact the Home windows visitor picture.

Step 1: Begin the Home windows Virtual Machine and Delete Pointless Recordsdata

Begin the Home windows Virtual Machine and delete any information that you do not want. Locations to begin are:

  • Empty the recycle bin;
  • Delete information in your temp folders;
  • Clear any internet browser caches;
  • Clear any software caches.

Step 2: Defragment the Disk

  • Find your exhausting disk drive utilizing Home windows Explorer within the virtual machine;
  • Proper-click the drive and select the Properties possibility;
  • Then choose the Instruments tab and click on the Defragment now . button.

Observe the steps to defragment the virtual Home windows disk.

Step 3: Clear any free disk space

After the disk has been defragmented, the virtual Home windows drive will nonetheless have unused space containing rubbish bits and bytes. These rubbish bits and bytes are from the contents of information that used to occupy that space however which can be not there.

The best method to clear free disk space on a Home windows drive is to overwrite the unused space with a bitstream of zeros or to zero-fill any free space.

Home windows doesn’t include a native utility to zero-fill unused space however you will discover the wonderful SDelete device at Microsoft’s TechNet: http://technet.microsoft.com/en-us/sysinternals/bb897443.aspx

SDelete (or Safe Delete) is a command line utility. So to zero-fill the virtual Home windows disk, sort the next on the DOS immediate:

the place -z is the SDelete parameter to zero any free space.

You may also use:

the place -c is the SDelete parameter to clear any free space.

As soon as SDelete is operating you will note a message related to the next:

Step 4: Shutdown the Home windows Virtual Machine

When SDelete has completed operating and the free space cleaned or zeroed is 100%, shutdown the Home windows virtual machine.

Step 5: Compact the Home windows visitor picture

To compact the Home windows visitor picture, use the VirtualBox VBoxManage utility. Assuming a Home windows host, use the next command on the DOS immediate:

Be sure that you substitute the gadgets in sq. brackets along with your parameters.

In case your Home windows host complains that VBoxManage can’t be discovered or is an invalid command, you might want to explicitly specify the trail to the VirtualBox executables. So a full instance for compacting a Home windows visitor picture on the DOS immediate is as follows:

As soon as the VirtualBox VBoxManage utility is operating you will note progress indicators in 10% increments ranging from 0% to 100%. And as soon as the method is full, it’s best to have a smaller disk picture file.

I am utilizing Ubuntu 18.04 for improvement on VM VirtualBox on home windows 10 professional host I’ve compacted the virtual exhausting drive beforehand by following the steps from right here: https://www.howtogeek.com/312883/how-to-shrink-a-virtualbox-virtual-machine-and-free-up-disk-space/

other than the same old updates – I’ve not messed round with it, (lately simply had put in the replace for virtualbox gues additions)

beforehand, I solely had one /dev/sda1 exhibiting up – as we speak I had three and once I try to run zerofree on any of these, I get that the machine is mounted in rw

I’ve adopted some directions right here as nicely to cease some companies and attempt to remount- but it surely didnt work

it nonetheless says mount level is busy

I am uncertain if this occurred due to a latest replace ? I additionally examined by uninstalling the vmware visitor additions – but it surely did not work

I do not perceive what you are asking, however I see just one /dev/sda1 and don’t see three. There’s a /dev/sda1 which is your / (or system information), a /dev/sda2 for you boot (or /boot/ information, kernel & with extra restricted encryption [if used]) and /dev/sda3 for person information /residence/ – however this to me is a fairly customary setup which may be chosen at set up. Both method I don’t see three /dev/sda1 mentions.

10 Solutions 10

What labored for me (combining solutions from a number of associated questions and boards):

  • VirtualBox 5.2.10
  • Home windows 10 as Host OS
  • Ubuntu 18.04 as Visitor OS

First set up zerofree:

Create 0s to get space to be reclaimed(delete all information you do not want in addition to empty the trash)

Reboot to GRUB menu (Press Esc as Ubuntu is booting up)

From the Restoration Menu choose Drop to root shell immediate

df to get your partitions(to see the partition you need to shrink e.g. sda1, sda Four and so on. normally its /dev/sda1 )

Attempt to run zerofree

Partition is read-write, wants to be mounted as read-only for zerofree to run Error:

Should you get an error from zerofree like /dev/sda1 is mounted as rw, then you definately want to mount it as read-only to proceed.

To mount the /dev/sda1 or your required partition as read-only to use zerofree on it:

Observe 1: it’s best to carry out the next steps comparatively fast to find a way to mount the drive as ro earlier than companies and sockets return into use and begin writing to the disk once more. In any other case you might want to carry out the systemctl step once more to ensure that writing to the disk has stopped.

Observe 2: (Skip studying this till the steps following this fail).Relying in your system, you might have different companies and sockets nonetheless writing to disk apart from systemd-journald . If the beneath steps are usually not working attempt to see whats nonetheless writing to disk after you run the steps and then cease them too in the identical method.

Steps:

Replace: Consumer @Kevin gave a wonderful suggestion to execute the steps ( see beneath) in a one liner command in case the companies and sockets return into use too quick:

First, cease all processes writing to the disk so you do not get mount /: mount busy error

Examine if any swap partitions are enabled:

If enabled, then disable them

Then lastly you ought to be ready to mount dev/sda1 as read-only. (Your filesystem sort could be totally different from ext2 . To search out the filesystem, run df -T )

Then lastly run zerofree

Whens zerofree is completed, shutdown Ubuntu

Then lastly, on the Host OS (in my case Home windows 10), compact the vdi to reclaim space:

Have you learnt how to enhance VirtualBox VM disk dimension? On this put up, MiniTool Partition Wizard gives you the steps of creating VirtualBox enhance disk dimension below Home windows host laptop.

Why Do You Want to Enhance VirtualBox Disk Dimension?

As everyone knows, we will use VirtualBox or different related software program to create a virtual machine that’s a full laptop system with full {hardware} system features simulated by software program. This characteristic may be very helpful. In case your host laptop is operating Home windows, you should use virtual machine software program to create a Linux system, one other Home windows system, and so on.

Whenever you create a VM in VirtualBox, you might be required to allocate disk dimension for the VM, as proven within the following image:

Nonetheless, with time passing, the virtual machine file turn into greater and greater, and you want to enlarge VirtualBox disk dimension. As for the way to make VirtualBox enhance disk dimension below Home windows host laptop, please learn the next content material.

You may enlarge the exhausting disk of virtual machine in the event you set the disk to be so small originally of making virtual machine, and listed below are detailed steps.

How to Enhance VirtualBox Disk Dimension?

To make VirtualBox enhance disk dimension, you simply want to do two steps. Please refer to the next content material:

Step 1: Change VirtualBox settings to enable it to use extra bodily space.

  • Click on File >Virtual Media Supervisor in the primary VirtualBox window.
  • Within the Virtual Media Supervisor window, choose a virtual exhausting disk from the listing and use the “Dimension” slider on the backside of the window to change its dimension.
  • Click on “Apply” if you’re finished.

Please observe that in case your VirtualBox model is older than VirtualBox 6, it’s best to use instructions to enlarge VirtualBox VM disk dimension. Listed here are the instructions:

  • cd “C:Program FilesOracleVirtualBox”
  • VBoxManage modifyhd “C:UsersChrisVirtualBox VMsWindows 7Windows 7.vdi” –resize 81920

Please observe that it’s best to substitute the VDI path and the scale in accordance to your situation. As well as, the scale is in MB.

Step 2: Regulate partitions in VM. After the VirtualBox disk dimension is prolonged, the partitions are nonetheless the identical dimension. To make use of the prolonged space, it’s best to resize the partitions within the VM. Then, the partition resizing technique varies relying on what OS your VM is.

In case your VM is utilizing Home windows OS, you should use the next steps to resize partition:

  • Open the Home windows VM.
  • Press “Home windows + R” keys concurrently to name out Run dialog field.
  • Within the Run dialog field, sort “msc” and then press Enter.
  • Within the Disk Administration window, right-click a partition and select Lengthen Quantity. Please observe that this characteristic is accessible provided that there may be unallocated space behind the partition.

If there isn’t a unallocated space behind the drive you need to lengthen, you should use MiniTool Partition Wizard to lengthen the drive for free.

In case your VM is utilizing Linux OS, the partition resizing course of may be very difficult, I like to recommend you to again up information upfront.

I regarded for some data and discover Three methods provided by individuals: utilizing GParted device would be the easiest method; utilizing lvextend -L command if LVM is enabled; or utilizing resize2fs command. As for the particular steps, you will discover them on-line.

I’ve a VM managed by Vagrant utilizing VirtualBox on a Ubuntu host server. My Vagrant field makes use of the Puppetlabs Debian 6.0.7 basebox, which makes use of LVM for its root partition.

By default the disk is 8GB which is simply too small for my functions. I would love to:

  1. Enhance the scale of the prevailing disk and the file system on it with out destroying and recreating my VM.
  2. Configure Vagrant in order that in future it’s going to create a bigger disk for this undertaking.

Can anybody clarify how to do that?

Vagrant has added help for customized disk dimension (together with disk resizing). You may see my reply right here: askubuntu.com/a/1402237/598897

9 Solutions 9

I discovered this easiest method to resolve this drawback:

Set up this plugin: vagrant plugin set up vagrant-disksize

Edit the Vagrantfile :

vagrant halt && vagrant up

  • Observe: this is not going to work with vagrant reload

For a Debian9 field this will increase the uncooked disk dimension, however not the precise partition utilized by the Debian set up. The elevated disk dimension is just not immediately usable.

I used sudo cfdisk /dev/sda device to resize my /dev/sda1 partition to all newly out there space. Then I advised my filesystem to take use of that space with sudo resize2fs -p -F /dev/sda1

Thanks. This works on my explicit configuration too. Host OS: Home windows 10 , Virtual Field: 6.0 , VM OS: Ubuntu Xenial

Personally I feel it’s going to be simpler to connect an additional virtual HDD and mount it to a correct mount level, for instance /choose and transfer your stuff over utilizing rsync to work round this situation, in spite of everything, puppet vagrant packing containers are for testing functions.

Purpose why: VBoxManage modifyhd solely works with native VDI picture. Nonetheless, vagrant base packing containers are mainly exported OVF/OVA utilizing VMDK format.

The –resize x possibility (the place x is the specified new complete space in megabytes) permits you to change the capability of an present picture; this adjusts the logical dimension of a virtual disk with out affecting the bodily dimension a lot.[37] This at the moment works just for VDI and VHD codecs, and just for the dynamically allotted variants, and can solely be used to develop (not shrink) the capability.

To extend the capability of disk for Vagrant Base Field

To find a way to resize the HDD, you will have to convert it to VDI first, e.g. VBoxManage clonehd in.vmdk out.vdi –format VDI and then re-attached it (utilizing the GUI is simpler).

Resize it utilizing VBoxManage modifyhd field.vdi –resize 15360 which will increase the capability to 15GB.

Nonetheless this solely modifications the drive capability, you should have to develop the file system for the visitor afterwards. For instance, use resize2fs -p -F DEVICE for ext.

Observe that after resizing and earlier than beginning up the vagrant field once more, you additionally want to replace the VirtualBox storage configuration so it makes use of the brand new VDI and not the unique VMDK: In VirtualBox > Storage >Take away present exhausting disk > Add exhausting disk (choose present and level to the brand new VDI picture)

For Debian customers, I recommend additionally this put up: weblog.lenss.nl/2012/09/resize-a-vagrant-vmdk-drive. After I acquired to step Three it was not fairly so simple as operating resize2fs . Good luck!

I’ve automated including the disk in my Vagrantfile:

The place the add_new_disk.sh shell script appears to be like like this:

This script is for a centos 6.Four field, however may simply be tailored to ubuntu.

As an alternative of including a disk, different choices embrace:

  • utilizing a field with a greater disk equivalent to opscode bento which have 40Gb disks
  • construct your individual field utilizing packer. You should utilize the opscode packing containers packer definitions as a place to begin

Hello There, I would love to attempt your resolution out. Are you able to affirm the place within the Vagrant File this part of code was added in? Sort Regards

Should you get an “specify both dimension or extents” error for lvextend , attempt lvextend -l +100%FREE /dev/VolGroup/lv_root as a substitute

Your instance would create a 5TB disk (the –size unit is MB, see virtualbox.org/guide/ch08.html#vboxmanage-createvdi).

Set up Vagrant plugin vagrant-disksize

If you need to add ensure that person has the plugin put in when beginning vagrant you’ll be able to add this to start with of Vagrantfile

Set desired disk dimension in Vagrantfile

Updating present vagrant field

  1. Do all the above
  2. Run vagrant halt & vagrant up (You must see one thing like “Resized disk: outdated 32768 MB, req 51200 MB, new 51200 MB”)
  3. SSH to vagrant field
  4. Run sudo cfdisk /dev/sda
  5. Use arrows to choose your disk in all probability sdaX. Mine was sda3.
  6. Then choose resize utilizing arrow keys. Settle for the urged disk dimension.
  7. Then choose write. And reply sure.
  8. You may choose give up now.
  9. Run sudo resize2fs -p -F /dev/sdaX You must see one thing like: “Filesystem at /dev/sda3 is mounted on /; on-line resizing required old_desc_blocks = 4, new_desc_blocks = 6 The filesystem on /dev/sda3 is now 11933952 (4k) blocks lengthy. “
  10. Run df and see that your disk dimension has elevated.

You should utilize the plugin, which is able to allow you to specify the disk dimension https://github.com/sprotheroe/vagrant-disksize

Vagrant has lately added experimental help for customized disk sizes (together with disk resizing) with the VirtualBox supplier. Some frequent utilization eventualities are documented right here and right here.

To activate this characteristic, modify your Vagrantfile (see the instance beneath), set the VAGRANT_EXPERIMENTAL=”disks” surroundings variable in your shell and then run vagrant up .

Right here is an instance Vagrantfile examined on Vagrant 2.2.19 , utilizing the bento/ubuntu-20.04 base field (which relies on LVM):

You must see the next output (roughly) throughout vagrant up :

This course of can take a whereas to full (in my case, between 1 and 2 hours).

Use vagrant ssh to enter your virtual machine, and then use the next instructions (primarily based on this reply) to collect details about your filesystem and then to develop the LVM quantity. In case your base field doesn’t use LVM, then you definately should not use these instructions.

disclaimer: reply more than likely relevant just for distros utilizing logical quantity administration like rhel for which the next use case applies:

I’ve been utilizing the official Purple Hat Enterpise 7.2 vagrant field formally provisioned by crimson hat.

(you will want a rhel developer account which you’ll create for free)

Upon set up I used to be troubled by the truth that solely 8GB had been additionally out there:

And as you’ll be able to see a lot of the space had already been consumed by the rhel set up.

Nonetheless I found that the quantity group corresponding to the /dev/mapper/VolGroup00-root fileystem did have further space (which I suppose by way of virtual field was dynamicaly allotted)

So the one issues remaining to be finished had been to:

a) Enhance the scale of our logical quantity by say 10G

sudo lvextend -L+10G /dev/VolGroup00/root

b) Replace your root filesystem in order that it turns into conscious of this transformation

sudo xfs_growfs /dev/mapper/VolGroup00-root

(pls observe that no less than for rhel 7.2 resize2fs is not going to work for the this objective).

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I used to be following this instruction to attempt to shrink my virtual nixos. It says,

You may’t really use zerofree in your / partition when you’re booted into the usual Linux surroundings. As an alternative, you’ll need to boot into a particular restoration mode the place your regular root partition isn’t mounted.

However I can not discover a place to boot into restoration mode in nixos. Query: How to boot into some mode the place my root partiion is not mounted in nixos? Or how do I do zerofree in nixos?

1 Reply 1

NixOS doesn’t have a restoration mode that makes use of another root filesystem. You are able to do it your self by including further entries to your bootloader by including boot.loader.grub.extraEntries to your configuration.nix . This manner, you’ll be able to boot into an one other partition. You will have to put together an additional set up on that partition. However contemplating that it is a VM there’s in all probability a higher possibility:

It’s possible you’ll find a way to connect the basis filesystem of your stopped VM to a VM that has its personal rootfs with zerofree on it. This manner, you will not have to muck about with further partitions.

With the understanding, I discovered SystemRescueCd Dwell Picture can also be a good resolution. It use SystemRescueCd Dwell Picture to open a root terminal and zerofree. Then I haven’t got to make further partitions or open one other VM. Thx on your rationalization!