DWS failover scenarios

The following examples illustrate how you can configure DWS failover, depending on your environment.

Scenario 1

A diagram of one set of MFP devices using DWS 1-4 and DCE 1-4, and another set of MFP devices using DWS 5-8 and DCE 5-8. Each set of DWS nodes uses one AutoStore server and all DCE nodes use one CAS server.

In this scenario, a block of MFP devices are using DWS 1 as prime, with DWS 2, 3, and 4 as failover. A second block of MFP devices are using DWS 5 as prime, with DWS 6, 7, and 8 as failover. The DWS nodes are set up with DCE 1 through 4 and DCE 5 through 8, respectively. There is an AutoStore server for each set of DWS nodes and a single CAS server for all of the DCE nodes.

Scenario 2

A diagram of one set of MFP devices using DWS 1-4 and DCE 1-4, and another set of MFP devices using DWS 4-1 and DCE 5-8. The DWS nodes use two AutoStore servers and all DCE nodes use one CAS server.

There are two blocks of MFP devices that share one set of DWS nodes. To load balance the setup, the administrator configured half of the devices to use DWS 1 as prime (with DWS 2, 3, and 4 as failover) and half of the devices to use DWS 4 as prime (with DWS 3, 2, and 1 as failover). The DCE failover remains the same, but can also split the DCE nodes to use 1 through 4 for the half of the devices and 4 through 1 for the other half.