Note:  If a canister or the system is powered off, a local visit can be required to either reseat  the canister or power cycle the enclosures. To power off a canister by using the GUI, complete the following steps: 1. Browse to  Monitoring  System  as shown in Figure 12-131. 2. Right-click the required canister and select  Power Off Canister , as shown in  Figure 12-132. Figure 12-132 Powering off the canister Figure 12-131 System Overview Powering off a node canister 720  Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.2.1