introduce lvm forcevg option to forcibly deactivate the whole vg
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Cover letter [Patch review 0/1] introduce lvm forcevg option to forcibly deactivate the whole vg
Hi Zhang,
I discussed this with Alasdair who had the good idea that we could do this with just a couple of dmsetup commands, e.g.
dmsetup info -c -S "uuid=~LVM && vgname=$VG && lv_layer=\"\"" -o name --noheadings | xargs dmsetup wipe_table
If this works, I think it would be a nicer solution than going through the blkdeactivate script.
Dave