If you know which Arvados service uses the specific configuration that was modified, restart those services. When in doubt, restart all Arvados system services.
+To check for services that have not restarted since the configuration file was updated, run the @arvados-server check@ command on each system node.
+
h2(#upgrading). Upgrading Arvados
Upgrading Arvados typically involves the following steps:
# rebuild and deploy the "compute node image":{{site.baseurl}}/install/crunch2-cloud/install-compute-node.html (cloud only)
# Install new packages using @apt-get upgrade@ or @yum upgrade@.
# Wait for package installation scripts as they perform any necessary data migrations.
+# Run @arvados-server config-check@ to detect configuration errors or deprecated entries.
# Verify that the Arvados services were restarted as part of the package upgrades.
+# Run @arvados-server check@ to detect services that did not restart properly.