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List:       centos
Subject:    [CentOS] kvm & external snapshots
From:       "Gregory P. Ennis" <PoMec () PoMec ! Net>
Date:       2020-08-13 20:31:16
Message-ID: d93fe5e554dba3b6cdfc0073e5bb6709166cf601.camel () PoMec ! Net
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Everyone,

I am trying to create external snapshots of a kvm guest machine and have not been \
able to do so. 

In accordance with :
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtuali \
zation_deployment_and_administration_guide/sect-troubleshooting-workaround_for_creating_external_snapshots_with_libvirt


I have used the command line :

snapshot-create-as --diskspec vda,snapshot=external,file=/u4/guest/MaBa-
clone/test.snap.img--domain MaBa-clone --name MaBa-clone_snap --description "Snap
before  9Aug2020"

This command line gives me the error :
error: unsupported configuration: disk 'vda' must use snapshot mode 'internal'

Is it possible to perform an external snapshot of a kvm guest?

Greg Ennis

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