4.4.1 Physical disk ............................................................................................................ 54
4.4.2 RAID group .............................................................................................................. 57
4.4.3 Virtual disk ............................................................................................................... 60
4.4.4 Snapshot .................................................................................................................. 65
4.4.5 Logical unit .............................................................................................................. 68
4.4.6 Example ................................................................................................................... 69
4.5 Enclosure management .............................................................. 74
4.5.1 Hardware monit or ................................................................................................... 75
4.5.2 UPS .......................................................................................................................... 76
4.5.3 SES .......................................................................................................................... 78
4.5.4 Hard drive S.M.A.R.T. .............................................................................................. 78
4.6 System maintenance ................................................................... 79
4.6.1 System informat ion ................................................................................................. 79
4.6.2 Event log.................................................................................................................. 80
4.6.3 Upgrade ................................................................................................................... 82
4.6.4 Firmware synchronization ....................................................................................... 82
4.6.5 Reset to factory default ........................................................................................... 83
4.6.6 Import and export ................................................................................................... 83
4.6.7 Reboot and shutdown ............................................................................................. 84
4.7 Home/Logout/Mute ..................................................................... 84
4.7.1 Home ....................................................................................................................... 84
4.7.2 Logout ..................................................................................................................... 84
4.7.3 Mute......................................................................................................................... 85
Chapter 5 Advanced operations ........................................... 86
5.1 Volume rebuild ............................................................................ 86
5.2 RG migration ............................................................................... 88
5.3 VD extension............................................................................... 89
5.4 Snapshot ..................................................................................... 89
5.4.1 Create snapshot volume .......................................................................................... 90
5.4.2 Auto snapshot.......................................................................................................... 91
5.4.3 Rollback ................................................................................................................... 92
5.4.4 Snapshot constraint ................................................................................................. 93
5.5 Disk roaming ............................................................................... 95
5.6 VD clone ..................................................................................... 95
5.7 SAS JBOD expansion ................................................................. 103
5.7.1 Connecting JBOD ................................................................................................... 103
5.7.2 Upgrade firmware of JBOD ................................................................................... 105
5.8 MPIO and MC/S ........................................................................ 106
5.9 Trunking and LACP ................................................................... 108
5.10 Dual controllers (only for DSN-6410 with DSN-640).................. 109
5.10.1 Perform I/O ........................................................................................................... 109
5.10.2 Ownership ............................................................................................................. 110
5.10.3 Controller status .................................................................................................... 111
5.11 Replication ................................................................................ 112
5.12 VLAN ......................................................................................... 122
Chapter 6 Troubleshooting.................................................. 125
6.1 System buzzer .......................................................................... 125