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Re: [Qemu-block] [PATCH 0/2] nbd: add zero-init parameter

From: Paolo Bonzini
Subject: Re: [Qemu-block] [PATCH 0/2] nbd: add zero-init parameter
Date: Wed, 5 Oct 2016 11:55:43 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0

On 05/10/2016 11:33, Denis V. Lunev wrote:
> When using a nbd block device, the info about necessity of prior disk
> zeroing could significantly improve the speed of certain operations
> (e.g. backups).
> This patch also will allow to preserve QCOW2 images during migration.
> Management software now may specify zero-init option and thus abscent
> areas in the QCOW2 areas will not be marked as zeroes and will remain
> empty. This is tight distiction but it is here.

I think Kevin said he wanted to avoid the URI shortcut, and instead
preferred to use JSON specifications?


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