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From: | Eric Blake |
Subject: | Re: [Qemu-devel] What kind of situation to use internal or external snapshot? |
Date: | Wed, 12 Sep 2018 09:36:04 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 9/11/18 8:32 PM, lampahome wrote:
as title, I know there're two snapshots in qemu, but I don't know when to use them well. What I know is internal snapshot will save the info of L1 and L2 table in the end of image but external snapshot won't because external snapshot create new file to save cow data. So when to use internal snapshot or external snapshot?
In general, we've spent more resources developing external snapshots. So if you want the most support and the fastest response on resolving any issues that you may encounter, external snapshots are the way to go.
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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