** Changed in: qemu
Assignee: John Snow (jnsnow) => (unassigned)
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https://bugs.launchpad.net/bugs/1816805
Title:
Cannot create cdrom device with open tray and cache option
Status in QEMU:
Incomplete
Bug description:
When trying to create cdrom device with open tray and either of
"cache" or "discard" options specified, I get the following error:
qemu-system-x86_64: -drive if=none,id=drive-
ide0-0-0,readonly=on,cache=writeback,discard=unmap,throttling.iops-
total=900: Must specify either driver or file
This bug essentially forbids live migration of VMs with open cdrom
trays.
I was able to find the same bug at RedHat:
https://bugzilla.redhat.com/show_bug.cgi?id=1338638
The bug was encountered in versions 2.5 and 2.11.
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