[linux-lvm] lvreduce used before resizing file system, what now?

veleiro at openmailbox.org veleiro at openmailbox.org
Sun Dec 11 03:12:36 UTC 2016

Nevermind. Figured it out.  resizing to max available did the trick. I 
was lucky!

  sudo lvresize -l +100%FREE /dev/ubuntu-vg/root

On 2016-12-10 21:38, veleiro at openmailbox.org wrote:
> Hello,
> I was following this guide
> https://help.ubuntu.com/community/ResizeEncryptedPartitions#Detailed_resizing_.2BAH4_Reducing_an_encrypted_partition
> on how to reduce the size of an lvm partition.  Its kind of confusing,
> so going from a ext4 420G partition to 390G partition, I did the steps
> in the wrong order:
> sudo e2fsck -f /dev/mapper/ubuntu--vg-root
> # worked
> sudo lvreduce -L -30G /dev/ubuntu--vg/root
> # data warning
> sudo resize2fs -p /dev/mapper/ubuntu--vg-root 390g
> i tried to undo this by
> sudo resize2fs -p /dev/mapper/ubuntu--vg-root 420g # doesnt do
> anything, not enough blocks
> sudo lvresize -l +30G /dev/ubuntu-vg/root #clearly didnt do anything
> or work either
> Is there any procedures to get back to where i started at 420g OR to
> fix it for 390g?
> Thanks!
> veleiro

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