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How to resize the Xen virtual hard disk

2025-02-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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This article introduces the relevant knowledge of "how to resize the Xen virtual hard disk". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Shut down the virtual machine:

The code is as follows:

# / usr/sbin/xm shutdown vm01

Append 4GB space to the virtual machine image file (.img):

The code is as follows:

# dd if=/dev/zero bs=1024k count=4096 > > / vm/vm01.img

Scan to check the image file:

The code is as follows:

# / sbin/e2fsck-f / vm/vm01.img

At this time, the size of the image file (hard disk) is only increased. This image file is not an ordinary file. It contains a mount/umount-capable loop file system, so you need to adjust the file system size. Otherwise, df will find that the hard disk size has not changed after entering the virtual machine:

The code is as follows:

# / sbin/resize2fs / vm/vm01.img

Restart the Xen virtual machine:

The code is as follows:

# / usr/sbin/xm create vm01

Check the hard disk size after entering the virtual machine:

The code is as follows:

# / usr/sbin/xm console vm01

# df-h

This is the end of "how to resize the Xen virtual hard disk". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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