On Mon, Nov 30, 2015 at 11:22:29 +0300, Vasiliy Tolstov wrote: > 2015-11-24 10:17 GMT+03:00 Vasiliy Tolstov <v.tols...@selfip.ru>: > >> If file is not exists i get error: > >> error: internal error: unable to execute QEMU command 'transaction': > >> Could not open '/test.raw': Invalid argument > >> > > > I'm debug this issue, this error from qemu-img, that tries to open > file with O_DIRECT, that does not supported by overlayfs.
I saw the same message in the same context, but I thought that / would be a normal FS in this case. At any rate, either choose a different location, or you can enable caching for the disk if you don't need to do migrations. (cache='none' for the disk makes qemu use O_DIRECT). Peter
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