Product manual

Galaxy G3G12 / G3G16 - Installation and Hardware Reference Manual
15 Manual Overview
7.1 Introduction to RAID.............................................................................................................................201
7.2 Choosing a RAID Level ........................................................................................................................212
7.3 Choosing Stripe Size ............................................................................................................................216
7.4 Choosing Sector Size...........................................................................................................................217
7.5 Cache Policy ...........................................................................................................................................218
7.6 LUN Affinity.............................................................................................................................................219
7.7 Capacity Coercion.................................................................................................................................220
7.8 Initialization.............................................................................................................................................221
7.9 Hot Spare Drive(s) .................................................................................................................................222
7.10 Partition and Format the Logical Drive..........................................................................................223
7.11 RAID Level Migration..........................................................................................................................224
7.12 Media Patrol..........................................................................................................................................228
7.13 Predictive Data Migration (PDM)......................................................................................................229
7.14 Transition...............................................................................................................................................230
8.0 Troubleshooting.....................................................................................................................................232
8.1 Galaxy3G is Beeping ............................................................................................................................232
8.2 LEDs Display Amber or Red ...............................................................................................................233
8.3 CLU Reports a Problem .......................................................................................................................238
8.4 GAM Reports a Problem ......................................................................................................................240
8.5 Event Notification Response..............................................................................................................241
8.5 Event Notification Response..............................................................................................................242
8.6 Critical & Offline Disk Arrays..............................................................................................................256
8.7 Incomplete Array....................................................................................................................................258
8.8 Physical Drive Problems......................................................................................................................259
8.9 Enclosure Problems..............................................................................................................................260
8.10 Controller Enters Maintenance Mode.............................................................................................264
8.11 Connection Problems.........................................................................................................................265