You can use the Device Settings option in the XCO user interface to activate maintenance mode on the SLX devices.
XCO supports drift and reconcile (DRC) of a configuration at device level. A single device configuration is compared with XCO and if there is a drift in the configuration, it is reconciled.
By default, XCO performs drift and reconcile actions on the SLX devices that enter into maintenance mode after reboot, taking those devices out of maintenance mode after successfully reconciling the configuration on them.
Drift and reconcile operations are run in parallel across all devices in a fabric. It ensures that the multiple DRC operations that take place during fabric-wide firmware download or reboot of multiple devices together, run in parallel, and hence, reduce the overall maintenance window.
Perform this procedure to change maintenance mode settings of a device.