Chapter 10: Path FailoverConfigure Control PathQuantum Scalar i6000 User’s Guide 361• Yellow — indicates you are removing the drive from the SNWcount.• White — indicates no change.6 Click Finish. If you are adding drives, a dialog warns you that hostconnectivity may be affected.7 Click OK. A Success dialog appears.8 Click OK.Configure Control PathThere are five types of control path configurations:Control Path: This configuration options does not require an SNWlicense and can use any EEB attached IBM or HP LTO drive. For moreinformation, see Configuring Control Paths on page 156.Multi Control Path: This configuration option requires an SNW licenseand allows you to assign multiple IBM and/or HP LTO-5 or higher drivesas possible control paths.Basic Control Path Failover (BCPF): This configuration providessupport for only HP LTO-5 and later path failover licensed drives forbasic control path failover. When BCPF is used, one drive is assigned asthe primary control path and another drive as the control path failover(secondary) drive. The control path failover drive is used whenever theprimary control path drive fails, becomes inoperable, or losesconnectivity.Functionality exists to manually “fail over” and “failback” among theconfigured control path drives to allow control path and drivediagnostics (see Manual Failover Between Drives on page 368).Advanced Control Path Failover (ACPF): This configuration providessupport for only HP LTO-6 and later, path failover licensed drives foradvanced control path failover. When ACPF is used, one drive isconfigured as the primary control path and one or more drives areselected as failover drives.This configuration requires an Advanced Path Failover (APF) devicedriver installed on an attached host. This driver will determine and
