SYSTEMD.MSTACK(7) systemd.mstack SYSTEMD.MSTACK(7) systemd.mstack - ".mstack/" ' ' --mstack= systemd-nspawn(1) RootMStack= . ".mstack/" "overlayfs" . . : 1. layer@id/ overlayfs. "id" : "overlayfs" (: "lowerdir") "overlayfs". 2. layer@id.raw DDI overlayfs . 3. rw "overlayfs". data "upperdir" work "workdir". . 4. bind@location/ location -. ".mount" . 5. bind@location.raw DDI . 6. robind@location/ bind@location/ . 7. robind@location.raw DDI. 8. root/ usr/ overlayfs usr/ . . systemd.v(7) . systemd-mstack(1) .mstack/ . .mstack/ overlayfs DDI . : 1. foobar.mstack/layer@0.raw -> ../base.raw 2. foobar.mstack/layer@1.raw -> ../app.raw 3. foobar.mstack/rw/ .mstack/ DDI "/usr/" : 1. waldo.mstack/layer@0.raw -> ../vendor.raw 2. waldo.mstack/root/ .mstack/ DDI /var/ : 1. quux.mstack/layer@0.raw -> ../myapp1.raw 2. quux.mstack/bind:var -> ../myapp1-var/ systemd(1) systemd-mstack(1) systemd-nspawn(1) systemd.exec(5) systemd.v(7) systemd-vpick(1) 3 . . : . systemd 260.2 SYSTEMD.MSTACK(7)