Re: Can't remove LVM swap device

[me <ein.gedanke@gmail.com>]

Hi


found this on http://www.idevelopment.info/data/Unix/Linux/LINUX_ManagingPhysicalLogicalVolumes.shtml:



Delete Physical / Logical Volumes

Before going into the details of how to drop all of the physical and
    logical volumes created in this article, it is very common to only
    want to remove a Logical Volume from a Volume Group. Let's say we no
    longer needed lvol15. We can remove it and place its PE's
    back in the empty pool for the Volume Group. First, unmounting its
    filesystem (if it is mounted). Next, deactive it with lvchange
    and finally delete it with lvremove. Here is an example that
    removes the lvol15:

  # lvchange -a n /dev/pv1/lvol15

  # lvremove /dev/pv1/lvol15
  lvremove -- do you really want to remove "/dev/pv1/lvol15"? [y/n]: y
  lvremove -- doing automatic backup of volume group "pv1"

  lvremove -- logical volume "/dev/pv1/lvol15" successfully removed

Now, it you would like to delete all physical and logical volumes created in this article. In this example, we no longer need the /dev/pv1 Physical Volume.

lvremove -f /dev/pv1/lvol1
lvremove -f /dev/pv1/lvol2
lvremove -f /dev/pv1/lvol3
lvremove -f /dev/pv1/lvol4
lvremove -f /dev/pv1/lvol5
lvremove -f /dev/pv1/lvol6
lvremove -f /dev/pv1/lvol7
lvremove -f /dev/pv1/lvol8
lvremove -f /dev/pv1/lvol9
lvremove -f /dev/pv1/lvol10
lvremove -f /dev/pv1/lvol11
lvremove -f /dev/pv1/lvol12
lvremove -f /dev/pv1/lvol13
lvremove -f /dev/pv1/lvol14
lvremove -f /dev/pv1/lvol15
lvremove -f /dev/pv1/lvol16
lvremove -f /dev/pv1/lvol17
lvremove -f /dev/pv1/lvol18
lvremove -f /dev/pv1/lvol19
lvremove -f /dev/pv1/lvol20
lvremove -f /dev/pv1/lvol21
lvremove -f /dev/pv1/lvol22
lvremove -f /dev/pv1/lvol23
lvremove -f /dev/pv1/lvol24
lvremove -f /dev/pv1/lvol25
lvremove -f /dev/pv1/lvol26

vgchange -a n /dev/pv1

vgremove /dev/pv1


So maybe the lvchange is missing?
Try lvremove also with the -f (force) option.


greetings,
vitaminx

2009/6/27 Klaus Pieper <kfpieper@web.de>

try:

swapoff
remove the LV
swapon

groucho:~# swapoff -a
groucho:~# lvremove -fv /dev/vg01/swap
   Using logical volume(s) on command line

 Can't remove open logical volume "swap"

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