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Re: [libvirt] Some problem with the save function



Daniel P. Berrange wrote:
Hmm, bad error message :-(  We might also need todo a chown()
in the restore path to allow QEMU to read it. NB there is no
compatability between QEMU version, so if you have upgraded
your install of QEMU between the time you saved & restored
it is very likely to crash & burn.

How difficult would it be to set up named pipes for save and restore operations, and splice from those pipes to the actual files on the libvirtd side? Seems much preferable from a security perspective to chown'ing things around, and (unlike pipes set up ahead of time with pipe() and friends) shouldn't be disrupted by a libvirtd restart.


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