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-rw-r--r--meta-openbmc-mods/meta-common/recipes-core/nv-sync/nv-sync/nv-sync.service11
1 files changed, 11 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-core/nv-sync/nv-sync/nv-sync.service b/meta-openbmc-mods/meta-common/recipes-core/nv-sync/nv-sync/nv-sync.service
new file mode 100644
index 000000000..852027209
--- /dev/null
+++ b/meta-openbmc-mods/meta-common/recipes-core/nv-sync/nv-sync/nv-sync.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Overlay sync to NV storage
+
+[Service]
+# Run rsync periodically to sync the overlay to NV storage
+ExecStart=bash -c 'while true; do rsync -a --delete /tmp/.overlay/ /tmp/.rwfs/.overlay; sleep 20; done'
+# On shutdown, archive the bash history so we don't lose it and run one last sync
+ExecStop=bash -c 'history -a; rsync -a --delete /tmp/.overlay/ /tmp/.rwfs/.overlay'
+
+[Install]
+WantedBy=multi-user.target