On Wed, Jul 02, 2008 at 04:39:25PM +0100, Peter Lavin wrote: > Dear dmsetup mailers, > > I am attempting to remove a LVM in CentOS 5. I am getting the following > message... > > Can't remove open logical volume "lvm_name" > > I can delete the link... /dev/vg01/lvm_name and also delete the associated > block... /dev/mapper/vg01-lvm_name. > > However, when I attempt to recreate the LVM using the same name (I need to > use the same name). I get a message that the LVM already exists. I have > traced this to dmsetup, where running dmsetup info vg01-lvm_name reveals... > > [root@tg26 mapper]# dmsetup info vg01-lvm_name > Name: vg01-lvm_name > State: ACTIVE > Tables present: LIVE > Open count: 1 <------- this appears to be the problem > Event number: 0 > Major, minor: 253, 63 > Number of targets: 1 > UUID: LVM-CT2Hz7dN6TLC3c8DydQ8nIenwjSmA8CI1yrsTLQy7Ip1Cxetz3 JrdQArvsgBqDsj > > I may be able to reset this Open count by rebooting the machine but this is > the least preferred option. Is there a was of resetting this 'Open count' > in the dmsetup records without rebooting the system. My dmsetup version is > pre- 4.8.0 so I cannot use the lvmremove -f option. Did you use 'vgchange --available ln vg01-lvm_name' before trying to remove it using 'dmsetup' ? -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
