Re: [Qemu-devel] I/O errors reported to guest for raw-image-file backed /dev/vda - but host sees no I/O errors

[Lutz Vieweg]

On 04/20/2016 01:50 PM, Kevin Wolf wrote:
> To catch all possible write failures, I think pwrite, pwritev and
> possibly fdatasync need to be considered.

I've now a
> strace -f -p 10727 -e trace=pwrite,pwritev,fdatasync,file -t 2>&1 | gzip -1 -c 
> >trace.gz
attached to the qemu-process.

If the incident rate stays the same, by tomorrow I should be able
to correlate newly emitted I/O-errors in the guest with that log.

Regards,

Lutz Vieweg