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Expand virtual hard disks on a Linux VM with the Azure CLI.; 3 minutes to read +9; In this article. This article describes how to expand managed disks for a Linux virtual machine (VM) with the Azure CLI. You can add data disks to provide for additional storage space, and you can also expand an existing data disk. The default virtual. Nov 14, 2015 Sometimes you need to increase the size of your encrypted folders, this tutorial covers that process. Be sure to check out the other videos in our channel, including the predecessor of this video.
-->This article describes how to expand managed disks for a Linux virtual machine (VM) with the Azure CLI. You can add data disks to provide for additional storage space, and you can also expand an existing data disk. The default virtual hard disk size for the operating system (OS) is typically 30 GB on a Linux VM in Azure.
Warning
Always make sure that your filesystem is in a healthy state, your disk partition table type will support the new size, and ensure your data is backed up before you perform disk resize operations. For more information, see Back up Linux VMs in Azure.
Expand an Azure Managed Disk
Make sure that you have the latest Azure CLI installed and are signed in to an Azure account by using az login.
This article requires an existing VM in Azure with at least one data disk attached and prepared. If you do not already have a VM that you can use, see Create and prepare a VM with data disks.
In the following samples, replace example parameter names such as myResourceGroup and myVM with your own values.
Operations on virtual hard disks can't be performed with the VM running. Deallocate your VM with az vm deallocate. The following example deallocates the VM named myVM in the resource group named myResourceGroup:
Note
The VM must be deallocated to expand the virtual hard disk. Stopping the VM with
az vm stopdoes not release the compute resources. To release compute resources, useaz vm deallocate.View a list of managed disks in a resource group with az disk list. The following example displays a list of managed disks in the resource group named myResourceGroup:
Expand the required disk with az disk update. The following example expands the managed disk named myDataDisk to 200 GB:
Note
When you expand a managed disk, the updated size is rounded up to the nearest managed disk size. For a table of the available managed disk sizes and tiers, see Azure Managed Disks Overview - Pricing and Billing.
Start your VM with az vm start. The following example starts the VM named myVM in the resource group named myResourceGroup:
Expand a disk partition and filesystem
To use an expanded disk, expand the underlying partition and filesystem.
SSH to your VM with the appropriate credentials. You can see the public IP address of your VM with az vm show:
Expand the underlying partition and filesystem.
a. If the disk is already mounted, unmount it:
b. Use
partedto view disk information and resize the partition:View information about the existing partition layout with
print. The output is similar to the following example, which shows the underlying disk is 215 GB:c. Expand the partition with
resizepart. Enter the partition number, 1, and a size for the new partition:d. To exit, enter
quit.With the partition resized, verify the partition consistency with
e2fsck:Resize the filesystem with
resize2fs:Mount the partition to the desired location, such as
/datadrive:To verify the data disk has been resized, use
df -h. The following example output shows the data drive /dev/sdc1 is now 200 GB:
Next steps
- If you need additional storage, you can also add data disks to a Linux VM.
- For more information about disk encryption, see Azure Disk Encryption for Linux VMs.
A full disk causes a lot of trouble. Your Mac will slow to a crawl, because the free space previously used as temporary memory disappears. Certain apps just won’t run and obviously, you’ll get to a point where you’ve run out of available disk space entirely.
That’s the bad news. Now for the good. There are several simple ways to fix the low disk space problem, including one we’re especially fond of: wiping out junk files with a cleaner app. We recommend CleanMyMac X — it removes system junk and empties multiple trashes to free up disk space on your Mac. You can download it now and get cleaning right away, or take a look at some DIY ways first.
What’s causing low disk space on your Mac?
Before you begin to free up disk space, let’s identify what’s taking it up. From the Apple Menu in the upper left-hand corner of your screen, select About this Mac and then click the storage tab in the window that opens. You’ll get a handy, color-coded graph that looks like this:
In the above example, you can see that apps, audio files and “other” (for details on what this “other” category consists of, look here) have commandeered most of the disk’s available space.
It’s nice to see what’s stored on your Mac, and even nicer to be able to browse the folders that contain the files themselves. Now that you’ve identified what’s on your drive, let’s look up at freeing up some space.
How to increase disk space on your Mac
There are several options here, so let’s go through a few.
1. Move large, old files off your Mac
Often times the files that end up taking the most space are tucked away in “cold storage” on your computer. These are big movies, photos or the like that you rarely look at, but can’t part with, either. In this case, archiving the files and moving them to an external drive is a good way to free up storage space on your Mac. Locating huge neglected files can be a pain, but it gets super easy with CleanMyMac’s Large & Old Files module. As the name suggests, it finds files that occupy a lot of space on your disk, but haven’t been opened for a long time. You can quickly review these files right in the app and decide which ones you want to archive. Download CleanMyMac X to see how it works, it’s a really handy feature if you have a lot of heavy stuff piled up.
2. Uninstall unused applications
If you’re like me, you often try an app “..just to see what it does”. While that’s fun, it frequently results in a slew of forgotten apps. It’s a good practice to set a reminder to review your Applications folder and clean out the ones you no longer use. Just note, however, that simply dragging an app into your Mac’s trash doesn’t eliminate all of its related files.
CleanMyMac’s App Uninstaller, on the other hand, leaves no leftover pieces behind, which means more available space on your Mac. When told to delete an app, CleanMyMac X finds every related document and file, no matter where it has been tucked away, and marks it for deletion.
And speaking of setting up a reminder, CleanMyMac’s scheduler will handle that task for you, too. Just tell it how often you’d like to be prompted to give your Mac a good cleaning and leave the rest to the app.
How To Increase Disk Size Of Dmg In Linux
3. Clean up the Downloads folder
Files love to hide in your Mac’s Downloads folder. Old disk images, random photos, unused extensions, ZIP files… they’re in there, not making a sound. Hiding. ?lick the Downloads stack in the OS X Dock and browse what’s sitting in there, wasting space on your disk. Anything that’s unnecessary can be dragged to the Trash.
How To Increase Disk Size Of Dmg File
4. Get rid of system junk
It’s not just your files that are hogging disk space — it’s also useless system files like logs, cache, unused binaries, old iOS backups and installers, and what not. Fortunately, CleanMyMac can find and eliminate them all to make low disk space a thing of the past, at last.
Here's the answer for you.What's the DMG file?The DMG file is a kind of disk image file of macOS and mounted by macOS as it were a hard drive. How to install dmg on iphone 3. Be confused about what's the dmg file and? Then you may find that the download is a DMG file.
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With just a few clicks you’ll discover what’s where and what’s ripe for deletion. Uninstall apps thoroughly, get timely reminders and prevent that sneaky Downloads folder from hoarding unnecessary files. The best way to free up hard drive space is to get CleanMyMac X for free and wave goodbye to space-hogging files. Don’t worry. You won’t miss them.