Managing Resource Groups A BrickStor SP Cluster can contain one or more Resource Groups. A Resource Group can be configured with multiple pools, VNICs, VLANs, MTU sizes, alternate data interfaces, and/or define multiple static routes to each VNIC. Resource Group Health Resource Group health state is relayed via the status icon which will change accordingly. To see a detailed reason and timestamp of the last status change, hover over the Resource Group or a status balloon. Orange - one or more Resource Group components are degraded and HA reliability is impaired Red - one or more Resource Group components are faulted and HA functionality is in critical state Blue - change commit is in progress Grey - this Resource Group is unmapped Uncommon Resource Group States The following uncommon Resource Group states are displayed during the following situations: temp - The Resource Group is not on its configured Preferred Node. Unmapped Resource Group - A Resource Group is not assigned to an HA Cluster Node. This Resource Group’s pools and network interfaces will be offline and unavailable for access. transitioning - The Resource Group is moving from one node to the other. Moving Resource Groups Resource Groups can be moved between HA cluster nodes manually. The Moving Resource Groups action is disruptive and should only be used during system maintenance or upgrades. It takes several seconds and most SMB/NFS clients are designed to recover from the IO wait; however, extra care should be taken when planning and executing this action, according to the given environment. Manual move waits on the active node to gracefully release the resources; this can take a while, especially when this RG is under a heavy load. In a failover event, the active node is offline so the surviving node takes over the Resource Groups. A Resource Group’s move time can also vary depending on the system’s configuration complexity. Having large amounts of filesystems, VNICs, and/or static routes all contribute to extending the move/failover time. It is best to keep the configuration simple whenever possible and minimize complexity by using multiple HA clusters. This concept also reduces the outage impact or blast zone for the entire solution. How to move a Resource Group Moving Resource Groups is a disruptive process and should be planned accordingly. Select a Head Node navigate to the HA page. Click on the desired Resource Group to open its information pane. Under Actions, click Move. Select one or more Resource Group(s) with a single operation by using the checkboxes next to them. Select the HA Head Node where the Resource Groups will reside. Set/change Preferred Node to destination node used. Click Move to execute this move request.