◦ The transfer to the failover path is invisible to most applications, avoiding the need for user
intervention.
◦ Requires the LTO-6 failover license.
• LTO-7+ failover
◦ Is only supported with LTO-7 and later generation FC tape drives.
◦ Requires host driver features, along with tape drive and library firmware features.
◦ Manages multiple paths across multiple SANs, presents a single drive or library path to
applications, and transfers commands automatically to the new path if the original path is lost.
◦ The transfer to the failover path is invisible to most applications, avoiding the need for user
intervention.
◦ Requires the LTO-7+ failover license.
Path failover feature licensing
Failover features are licensed and can only be enabled after the applicable license has been added to the
library.
• LTO-6 High Availability path failover: Separate licenses are available for control path failover and data
path failover.
• LTO-7+ failover: A single license supports both control path failover and data path failover.
Path failover licenses
Table 10: Failover licenses for LTO-6 drives
Part number License name
Q8K96A HPE StoreEver High Availability MSL3040 LTO-6 Control Path Failover LTU
Q8K96AAE HPE StoreEver High Availability MSL3040 LTO-6 Control Path Failover E-LTU
Q8K97A HPE StoreEver High Availability MSL3040 LTO-6 Data Path Failover LTU
Q8K97AAE HPE StoreEver High Availability MSL3040 LTO-6 Data Path Failover E-LTU
Table 11: Failover licenses for LTO-7 and later generation drives
Part number License name
Q8L00A HPE StoreEver MSL3040 LTO-7+ Path Failover LTU
Q8L00AAE HPE StoreEver MSL3040 LTO-7+ Path Failover E-LTU
Path failover configuration and status
Control path and data path failover are configured and enabled with the expert partition wizard.
Control path failover is configured independently for each partition. The configuration settings are
displayed on the Status > Partition Map > Configuration Status screen.
Data path failover is configured for a tape drive. The configuration settings are displayed in the Status >
Drive Status screen.
Overview 23
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