|
From: | Avi Kivity |
Subject: | Re: [Qemu-devel] Live migration - exec: support to be reintroduced? |
Date: | Wed, 05 Nov 2008 15:03:30 +0200 |
User-agent: | Thunderbird 2.0.0.16 (X11/20080723) |
Daniel P. Berrange wrote:
We used it to implement save-to-file, exec'ing 'dd'. I'd rather prefer that we had a more explicit 'migrate to a file' capability rather than the hack of execing dd.
(qemu) acceptfd blahreceives an file descriptor from the monitor using SCM_RIGHTS and assigns it to the tag 'blah'
(qemu) migrate fd:blah migrates to the fd denominated by the tag 'blah' (qemu) closefd blahYou can use literal numbers instead of tags to refer to file descriptors inherited from the environment:
(qemu) migrate fd:17 -- error compiling committee.c: too many arguments to function
[Prev in Thread] | Current Thread | [Next in Thread] |