Hi all Just to let you all know, I finally got this sorted. The problem was these partitions had been part of an md raid. By zeroing them out (mdadm wouldnt zero the superblock, but dding from /dev/zero worked) then following the exact same procedure it worked flawlessly. Rgds Karl karl@mouse-hole.com wrote .. > Hi > > Does anyone have any advice on this matter? > > Regards > Karl > > Karl Wagner wrote .. > > Hi all > > > > I have just been through a fairly major reorganisation of my data, and need to > > resize the physical volumes in my LVM setup. > > > > Currently I have sd[a-d]6, which are physical volumes for the volume group ?data?, > > and sd[a-d]7, which contain nothing. My plan was to get rid of p7 on each device > > and extend p6 to include that space. However when I tried on sda, I got an error > > after of Couldn't find device with uuid? > > > > These are the steps I took: > > > > * Deactivate all vg?s > > * Fdisk /dev/sda > > * Delete p7 > > * Delete p6 > > * Create p6 with start at start of old p6, end at end of old p7 > > * Write part table > > > > At this point, sda7 has gone and sda6 is the correct size (checked with blockdev > > ?getsz). But running a pvscan, lvm tells me it cant find sda6. > > > > What am I missing? > > > > > > > > Regards > > > > Karl
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