Peter V. Saveliev has uploaded a new change for review.

Change subject: vdsm: cope with I/O errors, getting permissions ......................................................................

vdsm: cope with I/O errors, getting permissions

Treat OSError during floppy image permission check as a read-only floppy. Later the floppy can be safely "ejected", if the error persists.

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=755528 Change-Id: I1f595a7adc05cd2efbfb831c247233ecb01da05a Signed-off-by: Peter V. Saveliev peet@redhat.com --- M vdsm/vm.py 1 file changed, 9 insertions(+), 4 deletions(-)

git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/71/18371/1

diff --git a/vdsm/vm.py b/vdsm/vm.py index 4f80b4c..165670a 100644 --- a/vdsm/vm.py +++ b/vdsm/vm.py @@ -1531,10 +1531,15 @@ driverAttrs['error_policy'] = 'stop' diskelem.appendChildWithArgs('driver', **driverAttrs) elif self.device == 'floppy': - if (self.path and - not utils.getUserPermissions(constants.QEMU_PROCESS_USER, - self.path)['write']): - diskelem.appendChildWithArgs('readonly') + if self.path: + try: + wp = utils.getUserPermissions(constants.QEMU_PROCESS_USER, + self.path)['write']) + except OSError: + wp = False + + if not wp: + diskelem.appendChildWithArgs('readonly')

if hasattr(self, 'specParams') and 'ioTune' in self.specParams: self._validateIoTuneParams()