> Hi, > > I was wondering if there was a way to extend (ie: grow) a PV that is part > of > a Volume Group? I currently have a partition on my HD that is being used > as > a PV for my Volume Group, but would like to make it larger. I have the > space on my drive to extend my partition, but using standard tools (ex: > gparted, Partition Magic, etc) would likely end up corrupting the data on > in > the Logical Volumes that are housed within the VG. [ ... ] > I tried looking at tools like pvresize but I can't seem to understand the > right arguments to use it as whatever I try never seems to resize the > original partition itself. I also looked at system-config-lvm GUI tool, > but > that doesn't seem to allow me to make the PV any larger. > > Does anyone have any suggestions? > > Thanks! > > Eric Given the partition which is a physical volume can be enlarged because there is free space directly after the end of the current partition, you then can do following very easily: 1) fdisk /dev/<device> 1a) delete the partition to enlarge 1b) re-create the partition from the same starting point to the new size 1c) save the changes 2) partprobe /dev/<device> to let the kernel know about the change 3) pvresize /dev/<deviceNUM> increases the PV to maximum partition size (just as the manpage says) 4) pvdisplay /dev/<deviceNUM> should show you now free physical extends (vgdisplay as well) 5) lvresize -L +100%FREE /dev/mapper/<LVM-volume> expands the volume to use all free extends or split up the additional size to several volumes 6) resize2fs /dev/mapper/<LVM-volume> to let the filesystem know about the additional space Regards Alexander