command module
Version: v0.0.0-...-71ed88f Latest Latest

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Published: Apr 30, 2019 License: Apache-2.0 Imports: 18 Imported by: 0



The embiggen-disk tool live-resizes a filesystem after first live-resizing any necessary layers below it: an optional LVM LV and PV, and an MBR or GPT partition table.


# embiggen-disk /
Changes made:
  * partition /dev/sda3: before: 8442546176 sectors, after: 8444643328 sectors
  * LVM PV /dev/sda3: before: sectors=8442544128, after: sectors=8444641280
  * LVM LV /dev/mapper/debvg-root: before: sectors=8442544128, after: sectors=8444641280
  * ext4 filesystem at /: before: 1038833256 blocks, after: 1039091312 blocks

Then again:

# embiggen-disk /
No changes made.


$ go get github.com/google/embiggen-disk


It's only been tested on 64-bit x86 Linux ("amd64"). It should work on other Linux architectures.


This is not an officially supported Google product.

Audit the code and/or snapshot your disk before use if you're worried about losing data.



The embiggen-disk command live resizes a filesystem and LVM objects and partition tables as needed. It's useful within a VM guest to make its filesystem bigger when the hypervisor live resizes the underlying block device.

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