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Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?
From: |
Jamie Lokier |
Subject: |
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail? |
Date: |
Tue, 22 Jul 2008 15:22:54 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Avi Kivity wrote:
> >Seems like a band-aid to me as SIGKILL is still an issue. Plus it
> >would involve modifying all disk formats, not just QCOW2. I'd rather
> >see proper journal support added to QCOW2 myself.
>
> Journalling is so out of fashion. It's better to sequence the
> operations so that failure results in a leak instead of corruption.
That would be find. If there's too much leakage after a time, it
would be easy enough to "qemu convert" to recreate the image without
leakage.
Or trees, trees are the new journals... :-) Still there's always
the possibility of errors to recover from, no matter how careful.
-- Jamie
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Andreas Schwab, 2008/07/21
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Avi Kivity, 2008/07/22
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?,
Jamie Lokier <=
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Anthony Liguori, 2008/07/22
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Avi Kivity, 2008/07/22
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Jamie Lokier, 2008/07/22
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Avi Kivity, 2008/07/22
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Jamie Lokier, 2008/07/22
Re: [Qemu-devel] qcow2 - safe on kill? safe on power fail?, Avi Kivity, 2008/07/22