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#1 2005-10-30 16:39:40

Cotton
Member
From: Cornwall, UK
Registered: 2004-09-17
Posts: 549

[SOLVED] Device mapper problem with LVM

I'm trying to mount an LVM partition using the archie livecd (ie kernel 2.6.13).  I've installed lvm2 and device-mapper (1.01.05) but although vgscan gives:

[root@localhost archie]# vgscan
  Reading all physical volumes.  This may take a while...
  Found volume group "vg1" using metadata type lvm2

vgchange gives:

[root@localhost archie]# vgchange -a y
  /proc/misc: No entry for device-mapper found
  Is device-mapper driver missing from kernel?
  Failure to communicate with kernel device-mapper driver.
  0 logical volume(s) in volume group "vg1" now active

Any suggestions?

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#2 2005-10-30 17:00:23

Cotton
Member
From: Cornwall, UK
Registered: 2004-09-17
Posts: 549

Re: [SOLVED] Device mapper problem with LVM

Solved it. 

Should have installed the appropriate module:
# modprobe dm_mod

# dmsetup ls
now lists the correct virtual devices.

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