On 18.5.2016 10:13, Tom Jay wrote:
Hello, This question was in fact answered by the debian-kernel mailing list,
who informed me that the documentation was probably wrong. The kernel does
actually support merging volumes, just the 'dmsetup targets' output only
refers to output from modules that are already loaded, not what is supported.
Using 'lvconvert --merge' works without problems. This is the original thread:
https://lists.debian.org/debian-kernel/2016/05/msg00186.html. Thanks! Tom
Hi
The issue is - properly compiled 'lvm2' does call 'modprobe' internally.
So if you have failing 'lvconvert --merge' because snapshot-merge module
was not loaded and you will load it by your own modprobe call - then your lvm2
tool is miscompiled (compiled without modprobe support...)
Regards
Zdenek
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