HP StoreEver MSL6480 Tape Library - Manual (Page 51)

1. On the HP-UX host, run rmsf -H on the lunpath hardware paths that are in NO_HW state.
For example:
rmsf –H 0/4/0/0/0/1.0x50014380023560d4.0x1000000000000
2. Run ioscan -kfNH <HBA path>. For example:
ioscan -kfNH 0/4/0/0/0
HP recommends only enabling or disabling advanced path failover when the library is not opened
by any applications. If the advanced path failover is disabled while an application is accessing
the library, all of the library’s lunpaths will go offline and I/O requests to the library will fail.
Enabling or disabling advanced path failover 51