i want to create a snapshot, when container is running.

[000luna000]

i want to create a snapshot, when container is running. but get errors such like those.

sudo convoy snapshot create couchdb-data --name couchdb-data-08-16-2019-snap
ERRO[1102] Error response from server, Failed to execute: tar [cf /var/lib/rancher/convoy/vfs/snapshots/couchdb-data_couchdb-data-08-16-2019-snap.tar.gz.tmp -C /docker-data/couchdb-data .], output tar: ./shards/40000000-5fffffff: file changed as we read it
, error exit status 1