On 19 October 2011 22:46, Bryan J Smith <b.j.sm...@ieee.org> wrote: > > I was also wondering if it is atop LVM, there is also DeviceMapper > interaction required at the kernel level (beyond just the resize of the > volume prior to resize2fs). And in the case of Cluster LVM, there might be > other housekeeping as well. > > I am quite confident that this is not the case. resize2fs will grow an ext3/4 file system to the size of the underlying container and it doesn't care what the container is so long as it can determine its size.
I've resized ext3 file systems that were in partitions that I grew (gparted can do this) and also, just now for the hell of of it, a sparse file mapped and mounted through /dev/loop0. All resize2fs cares about is that ioctl(BLKGETSIZE64) works and if that doesn't work then off-line resize won't work either. jch
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