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authorMichael Tokarev <mjt@tls.msk.ru>2011-03-30 16:31:05 +0400
committerKevin Wolf <kwolf@redhat.com>2011-04-07 13:51:48 +0200
commite2982c3a27ab4c0879e61de3c9c57b838f7d0966 (patch)
tree6d01634e3bf1c3e6b3eabe838f90d5e31173071e /hw/isa.h
parenteb863add0204210480d018a3298ca22e4eadf3ce (diff)
exit if -drive specified is invalid instead of ignoring the "wrong" -drive
This fixes the problem when qemu continues even if -drive specification is somehow invalid, resulting in a mess. Applicable for both current master and for stable-0.14 (and the same issue exist 0.13 and 0.12 too). The prob can actually be seriuos: when you start guest with two drives and make an error in the specification of one of them, and the guest has something like a raid array on the two drives, guest may start failing that array or kick "missing" drives which may result in a mess - this is what actually happened to me, I did't want a resync at all, and a resync resulted in re-writing (and allocating) a 4TB virtual drive I used for testing, which in turn resulted in my filesystem filling up and whole thing failing badly. Yes it was just testing VM, I experimented with larger raid arrays, but the end result was quite, well, unexpected. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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