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From: | Vladimir Sementsov-Ogievskiy |
Subject: | Re: [Qemu-devel] [PATCH 9/9] block-migration: add named dirty bitmaps migration |
Date: | Mon, 12 Jan 2015 17:20:58 +0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Best regards, Vladimir On 09.01.2015 01:36, Paolo Bonzini wrote:
The bitmaps are transmitted many times in their entirety, but only the last copy actually means something. The others are lost. This means you should use the non-live interface (register_savevm). This will simplify the code a lot.
But what if the dirty bitmap is really big?For example, for 5 Pb drive the bitmap with granularity 65536 will be of 2 Gb size. So, shouldn't it be migrated iteratively for live migration?
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