1

I'm trying to resize an ext4 filesystem on a Fedora 11 box. Using fsdisk and lvm, I was able to grow the partition and logical volume containing the filesystem.

When I try to run resize2fs on the device containing the filesystem (/dev/sda2 in this case), I get:

"Device or resource busy while trying to open /dev/sda2, Couldn't find valid filesystem superblock"

I've tried this from a rescue disk that doesn't have the filesystem mounted, no joy.

Maybe resize2fs doesn't know about ext4?

5

If you're using LVM then you want to resize the filesystem in the LV, not in the partition. Try one of the entries in /dev/mapper instead.

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1

If you boot from a live cd be sure the lvm package is present (apt-get install lvm2). If so, use vgchange -a y to activate all the volumes. You can now access them under /dev/lvm/ or /dev/mapper/

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