On 4/4/19 11:57 AM, Lentes, Bernd wrote: > > virsh # snapshot-create-as --disk-only --name sn --domain sim > error: unsupported configuration: source for disk 'vdb' is not a regular file; refusing to generate external snapshot name That just means that libvirt refuses to create a new block device name (new file names are easy, new block devices not so much); so you'll have to tell libvirt what filename (which may or may not be a block device) to use instead, with the --diskspec parameter. Something like: snapshot-create-as --disk-only --name sn --domain sim --diskspec vdb,file=/path/to/file.sn -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
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