Find LVM Volume Group name for a block device

cat /sys/block/md1/holders/dm*/dm/name | awk -F- '{print $1}' | sort -u

0
By: hufman
2013-04-03 18:01:16

These Might Interest You

  • This is an easy way to quickly get a status for a device in multipath on SLES systems, as long as the server is configured based on Novell's standards, where multipathed disks are referred to by /dev/disk/by-... tree. Make sure to replace name_of_vg with your Volume Group name.


    -1
    pvscan | awk '/name_of_vg/ {print $2}' | sed 's/[-|/|]/ /g' | cut -d " " -f7
    slashdot · 2010-06-22 16:34:42 0
  • The lspv command displays the information about the physical volume if the specific physical volume name is specified. If you do not add flags to the lspv command, by default all the available physical volumes are printed along with the following information: * Physical disk name. * Physical volume identifiers (PVIDs). * The volume group, if any, that the physical volume belongs to or the label,if any, locked with the lkdev command. * The state of the volume group. Active-When the volume group is varied on. Concurrent-When the volume group is varied on in the concurrent mode. Locked-When the physical volume is locked with the lkdev command. **************************************************************************************** In the example, the iw406 system has two hard disks. Phy disk name Phy vol identfrs (PVIDs) volume group State of Volumne group hdisk0 00f6267c8a99c7b6 rootvg active hdisk1 00f6267cb3746d01 appinstvg active hdisk0 is mounted on volume group rootvg. hdisk1 is mounted on volume group appinstvg Show Sample Output


    -3
    lspv
    kaushalmehra · 2012-09-13 15:20:06 0

  • 0
    sudo dd if=/dev/block/device bs=1MB | pv -s `sudo blockdev --getsize64 /dev/block/device' | gzip -9 > output.img.gz
    hur1can3 · 2011-12-05 23:21:59 0
  • Emits the device names which will be printed by iostat for an LVM volume; doesn't show the names for the underlying devices when snapshots are being used (the -cow and -real devices in /dev/mapper) Show Sample Output


    1
    sudo lvdisplay |awk '/LV Name/{blockdev=$3} /Block device/{bdid=$3; sub("[0-9]*:","dm-",bdid); print bdid,blockdev;}'
    unixmonkey10270 · 2010-06-10 11:50:31 0

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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