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Re: [Qemu-devel] [PATCH v11 2/9] Add migration capabilites
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH v11 2/9] Add migration capabilites |
Date: |
Tue, 22 May 2012 07:08:33 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 |
On 05/22/2012 06:56 AM, Orit Wasserman wrote:
> Add migration capabiltes that can be queried by the management.
> The managment can query the source QEMU and the destination QEMU in order to
> verify both support some migration capability (currently only XBZRLE).
> The managment can enable a capabilty for the next migration by using
> migrate_set_parameter command.
>
> ##
> +# @MigrationCapability
> +#
> +# Migration capabilities enumaration
> +#
> +# @xbzrle: current migration supports xbzrle
> +#
> +# Since: 1.1
1.2
> +##
> +{ 'enum': 'MigrationCapability',
> + 'data': ['xbzrle'] }
> +
> +
> +##
> +# @migrate_set_parameter
> +#
> +# Set the following migration parameters (like xbzrle )
> +##
> +# Since: 1.2
> +##
> +{ 'command': 'migrate-set-parameter', 'data': { 'parameter': 'str' } }
This requires libvirt to issue multiple monitor commands in a row.
Also, it's pretty poorly typed. It might be nicer to provide:
{ 'command': 'migrate-set-parameters',
'data': { 'parameters': ['MigrationCapability'] } }
so that I can set multiple parameters in one call.
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-devel] [PATCH v11 0/9] XBZRLE delta for live migration of large memory app, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 1/9] Add MigrationParams structure, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 3/9] Add XBZRLE documentation, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 6/9] Add save_block_hdr function, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 5/9] Add uleb encoding/decoding functions, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 7/9] Add XBZRLE to ram_save_block and ram_save_live, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 2/9] Add migration capabilites, Orit Wasserman, 2012/05/22
- Re: [Qemu-devel] [PATCH v11 2/9] Add migration capabilites,
Eric Blake <=
- [Qemu-devel] [PATCH v11 8/9] Add set_cachesize command, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 4/9] Add cache handling functions, Orit Wasserman, 2012/05/22
- [Qemu-devel] [PATCH v11 9/9] Add XBZRLE statistics, Orit Wasserman, 2012/05/22