Bug#378143: broken(?) snapshot prevents vgchange -a y, prevents boot
Soren Hansen
sh at linux2go.dk
Sat Sep 2 02:42:30 UTC 2006
Something similar just happened to me on my ubuntu server. It turns out
that (in my case at least) that the "support missing from kernel" bit
indeed *IS* accurate. After loading dm-mirror and dm-snapshot I could
suddenly activate the LV. I did not try only loading dm-snapshot, but I
expect that would have done the trick.
On an unrelated (and completely off-topic) note, this is the error
message Ubuntu gave me:
root at vega:/etc/lvm# lvchange -ay /dev/vega/var
device-mapper: reload ioctl failed: Invalid argument
It was actually your bug report (the one about the "funny" error
messages, that gave me the hint to solve it. :-)
Cheers.
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