Guess I was too quick with that one.. pvresize /dev/md0 was all that was needed, no need for restart :-) On Fri, 12 Jun 2009, Michael Ole Olsen wrote: > How do I resize my volume group with lvm2? > > vgextend needs new devices but I only have one device md0 for all my physical > volumes. > > I know how to resize my logical volumes under the volume group, but somehow > the volume group st1500 did not extend after raid5 reshape with mdadm? > > Is my only option backing up 8TB of data and creating a new volume group? > > I dont want to add sd[ai] here with vgextend as lvm2 is on top of > mdadm so I guess I should have only one device for my VG? > > /Michael Ole Olsen > > mfs:~# fdisk -l /dev/md0 > > Disk /dev/md0: 12002.4 GB, 12002414559232 bytes > 2 heads, 4 sectors/track, -1364690304 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > Disk /dev/md0 doesn't contain a valid partition table > > mfs:~# vgdisplay > --- Volume group --- > VG Name st1500 > System ID > Format lvm2 > Metadata Areas 1 > Metadata Sequence No 4 > VG Access read/write > VG Status resizable > MAX LV 0 > Cur LV 2 > Open LV 1 > Max PV 0 > Cur PV 1 > Act PV 1 > VG Size 8,19 TB > PE Size 4,00 MB > Total PE 2146198 > Alloc PE / Size 2104832 / 8,03 TB > Free PE / Size 41366 / 161,59 GB > VG UUID 1Rl7ly-OguV-fEbS-TU8F-7tdM-9YH3-wKc9F6 > > lvm> help vgextend > vgextend: Add physical volumes to a volume group > > vgextend > [-A|--autobackup y|n] > [-d|--debug] > [-h|--help] > [-t|--test] > [-v|--verbose] > [--version] > VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...] > > Command failed with status code 0. > lvm> vgextend st1500 /dev/md0 > Physical volume '/dev/md0' is already in volume group 'st1500' > Unable to add physical volume '/dev/md0' to volume group 'st1500'. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html