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List:       centos
Subject:    [CentOS] LVM superblock version
From:       Nataraj <incoming-centos () rjl ! com>
Date:       2012-05-30 4:45:52
Message-ID: 4FC5A600.2050704 () rjl ! com
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Is there an lvm command to print out any kind of version information for
the LVM superblock, similar to what "mdmadmin -E" does for raid.

How can I tell whether a mountable device with LVMs on it can be safely
moved between CentOS 5 and CentOS 6 and/or potentially other Linux
distributions?  I know that that CentOS 6 supports 'lvconvert -merge'. 
Is this implementation purely in the lvm software or does it require a
different superblock?  Can I take an LVM setup created under CentOS 6
and read it on a CentOS 5 system?

Thanks,
Nataraj

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