[linux-lvm] Hide volume group during startup

[Erik Schwalbe]

Hi, 

we have a problem with hiding/deactivating a stacked volume group during startup. 

System is a Ubuntu 10.4.4 LTS (NAS). 
lvm2: 2.02.54-1ubuntu4.1ppa5 

lvs: 
backup-all data -wi-ao 3.00t 
fileserver-forBackup data -wi-ao 50.00g 
.... 
kvm_disk0 data -wi-ao 400.00g 
vm-203-disk-1 kvm_disk0 -wi-ao- 28.01g 
.... 

kvm_disk0 is used as device for iscsitarget. 

The iscsiinitiator created a new volume group (kvm_disk0) on the blockdevice and new virtual disks (vm-203-disk-1) . 

Our problem is, that the iscsitarget host found not only the VG "data" during system startup but also the other VG (kvm_disk0) and activate it. 
So DRBD can't get exclusive access to the LV kvm_disk0. 

We try to filter in lvm.conf, but after startup, the VG kvm_disk0 is allways activated. 

Thank you for help. 

Regards, 
Erik 







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