On 01/24/2010 11:57 AM, Dan Kenigsberg wrote:
Thanks for this series. However, it seems that we still have a problem
when trying to save domain to a root-squashing nfs export.
When using qemu directly, as a user with write permissions to that
export, there is no problem. When using libvirt, libvirt tries to write
its own state to the target file. I would not want to pre-create the
target file as world redable.
How about performing open(path, O_CREAT|O_TRUNC|O_WRONLY,
S_IRUSR|S_IWUSR)) with the euid of the qemu process?
This sounds like what I did to fix storage volume creation on NFS:
https://www.redhat.com/archives/libvir-list/2010-January/msg00612.html
I talked to Dan Berrange about it this morning, and he agrees that
something similar can/should be done for domain save. I'm starting work
on it now, and should have something you can try out within a day or two.
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