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I hope you can help me with that:
My VirtualBox Guest-OS (Fedora 19) told me, that there is not enough free disk-space availabe, so I first increased the .vdi-file by using the Windows-Commandline:

VBoxManage.exe modifyhd "path" --resize 20480

After that VirtualBox correctly shows a bigger virtual hdd.

Then I booted the VirtualMachine with a Fedora(and later Ubuntu to test)-LiveCD and first set the LVM-size to 20GB with

pvresize /dev/sda2 --setphysicalvolumesize 20G

That worked fine, but then I tried to resize the root-partition with:

lvresize -l+100%FREE -r /dev/fedora/root

And I get this error-message:

Extending logical volume root to 16,71 GiB  
device-mapper: resume ioctl on  failed: invalid argument  
Unable to resume fedora-root (253:1)  
Problem reactivating root

After that it is impossible to use the root. I tried to do it with the swap-partition as well (to find out, if it is just the root) and it didn't work either. I tried lvextend and it didn't work. The drive is suspended after this and I can not reactivate it using

lvchange -a y

Same error there.

Maybe somebody can help me with that? I do have a backup of that machine, so that I can always start at the beginning :-)

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