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Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability |
Date: |
Tue, 16 May 2017 19:07:25 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Eric Blake <address@hidden> writes:
> On 05/16/2017 11:42 AM, Markus Armbruster wrote:
>
>>>> Well, to suggest something, I'd first have to figure out WTF incremental
>>>> block migration does. Your text helps me some, but not enough. What
>>>> exactly is being migrated, and what exactly is assumed to be shared
>>>> between source and destination?
>>>>
>>>> Block migration is scandalously underdocumented.
>>>
>
>> Can you draft a documentation comment for @block-incremental?
>
> How about:
>
> @block-incremental: Affects how much storage is migrated when the block
> migration capability is enabled. When false, the entire storage backing
> chain is migrated into a flattened image at the destination; when true,
> only the active qcow2 layer is migrated and the destination must already
> have access to the same backing chain as was used on the source.
> (since 2.10)
Works for me, thanks!
- Re: [Qemu-devel] [PATCH 1/5] hmp: Use visitor api for hmp_migrate_set_parameter(), (continued)
- [Qemu-devel] [PATCH 5/5] block migration: Allow compile time disable, Juan Quintela, 2017/05/16
- [Qemu-devel] [PATCH 4/5] migration: Remove old MigrationParams, Juan Quintela, 2017/05/16
- [Qemu-devel] [PATCH 2/5] migration: Create block capability, Juan Quintela, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Juan Quintela, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Eric Blake, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Eric Blake, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability,
Markus Armbruster <=
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Juan Quintela, 2017/05/16
[Qemu-devel] [PATCH 3/5] migration: Remove use of old MigrationParams, Juan Quintela, 2017/05/16