On Sunday 06 May 2007, Scott Lamb wrote:
On May 6, 2007, at 8:14 AM, Ross S. W. Walker wrote:
LVM even warned you --IN CAPS-- "THIS MAY DESTROY YOUR DATA". I guess it was right. I haven't had much luck with reducing a volume below its initial size. I usually make a new LV and rsync or cp -a the data over to it. I try to leave some free space just for this. Or add a drive temporarily.
Were the LV calculations done in the VG's extent size unit?
Most people forget LVM rounds to the closest whole extent in it's calculations which I believe is 4MB by default, so care must be taken to make sure any file system fits comfortably in there first.
Is there any tool which is aware of both the filesystem and LVM layers and can correctly ensure the filesystem fits?
You could always look at using system-config-lvm