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[dm-devel] Logical volumes with persistent minor numbers



Title: Logical volumes with persistent minor numbers

Hi,

Problem: In RHEL 4 U4, the dynamic logical volume device node is not created with a persistent minor number.

Description:
Initially, no vg is active.  At this  point, the directory /dev/mapper looked like the following:

#  ll /dev/mapper
total 0
crw-------  1 root root  10, 63 Nov 28 08:57 control

Volume group vg1 is created. Logical volume is created with persistent minor number (lvcreate  -M y --major 253 --minor 51 -n lvol1 -L 100M vg1).

This logical volume device node should be created with minor number "51". But it is created with dynamic minor number.
                   
Expected Behavior: ll /dev/mapper should show "brw-------   1 root root 253, 51 22 Nov 28 15:06 vg1-lvol1

Actual Behavior: ll /dev/mapper should show "brw-------   1 root root 253, 0 22 Nov 28 15:06 vg1-lvol1

Please let me know if there is any solution or workaround for this problem.

Thanks
Asha


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