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Enabling data path failover.................................................................................................30
Verifying data path failover.................................................................................................31
7 Configuring failover for other HP StoreEver MSL Tape Libraries.......................32
Configuring data path port failover...........................................................................................32
Enabling data path port failover..........................................................................................32
Verifying data path port failover..........................................................................................32
Configuring basic control path failover......................................................................................33
Enabling control path port failover on the library....................................................................33
Configuration requirements after enabling control path failure..................................................35
Verifying basic control path failover......................................................................................35
8 Installing and using Windows advanced path failover drivers.........................36
Installing the Windows advanced path failover drivers.................................................................37
Downloading and installing the drivers.................................................................................37
Uninstalling drivers.............................................................................................................38
Windows driver theory of operation..........................................................................................38
Driver components.............................................................................................................38
Storage bus filter driver..................................................................................................39
Multi-path intermediate class driver..................................................................................40
Device manager view....................................................................................................41
Device firmware.................................................................................................................43
9 Installing and using Linux advanced path failover drivers...............................44
Installing advanced path failover drivers....................................................................................44
Updating the driver without rebooting.......................................................................................44
Device files............................................................................................................................44
Load balancing options for multiple tape drives..........................................................................45
Common characteristics of both load balancing algorithms.....................................................45
Full Balancing algorithm.....................................................................................................45
Less Balancing algorithm.....................................................................................................45
Setting the load balancing level...........................................................................................46
Command line user interface....................................................................................................46
Viewing the current driver revision........................................................................................46
Viewing device status.........................................................................................................46
Setting the preferred path....................................................................................................48
Rebalancing the paths........................................................................................................49
Path rotation exercise function..............................................................................................49
Enabling advanced path failover on a device while the driver is running........................................49
Disabling advanced path failover on a device while the driver is running.......................................49
Linux driver theory of operation................................................................................................49
10 Installing and using HP-UX advanced path failover drivers............................51
Installing advanced path failover drivers....................................................................................51
Commands for viewing tape and library devices connected to a system.........................................51
Finding the lockdown path.......................................................................................................54
Troubleshooting advanced path failover.....................................................................................54
Enabling or disabling advanced path failover............................................................................54
11 Troubleshooting failover operation.............................................................56
Locating a failed path.............................................................................................................56
Windows debugging logs and tools..........................................................................................57
Confirming failover operation..............................................................................................57
Windows system log..........................................................................................................58
Diagnostic application........................................................................................................59
Operation....................................................................................................................59
Actions........................................................................................................................60
4
Contents
... Questo manuale è adatto anche per i modelli :
dati dispositivi di elaborazione - HP StoreEver ESL G3 700 slot Tape Library (2.14 mb)
dati dispositivi di elaborazione - HP StoreEver ESL G3 3000 slot Tape Library (2.14 mb)
dati dispositivi di elaborazione - HP StorageWorks 1U Rack-Mount Tape Drive Kit (2.14 mb)
dati dispositivi di elaborazione - HP MSL2024 1 LTO-4 Ultrium 1840 Tape Library (2.14 mb)