User guide

ETERNUS DX60/DX80/DX90 Disk storage system User Guide
18
Copyright 2010 FUJITSU LIMITED
P3AM-3042-06ENZ0
Figure of Contents
Figure 1.1 RAID0 concept .......................................................................................................................... 27
Figure 1.2 RAID1 concept .......................................................................................................................... 27
Figure 1.3 RAID1+0 concept ...................................................................................................................... 28
Figure 1.4 RAID5 concept .......................................................................................................................... 28
Figure 1.5 RAID5+0 concept ...................................................................................................................... 29
Figure 1.6 RAID6 concept .......................................................................................................................... 30
Figure 1.7 Example of a RAID group.......................................................................................................... 32
Figure 1.8 RAID group concept .................................................................................................................. 32
Figure 1.9 Hot Spares................................................................................................................................. 34
Figure 1.10 Rebuild/Copyback function........................................................................................................ 36
Figure 1.11 Redundant Copy Function......................................................................................................... 38
Figure 1.12 Example of an Advanced Copy operation ................................................................................. 39
Figure 1.13 Example for use RAID Migration 1 ............................................................................................ 42
Figure 1.14 Example for use RAID Migration 2 ............................................................................................ 43
Figure 1.15 Example for use Logical Device Expansion .............................................................................. 44
Figure 1.16 Example for use LUN Concatenation ........................................................................................ 45
Figure 1.17 LUN Mapping function ............................................................................................................... 46
Figure 1.18 Host Affinity function.................................................................................................................. 47
Figure 1.19 Eco-mode mechanism............................................................................................................... 48
Figure 1.20 Setting example for Eco-mode schedule................................................................................... 48
Figure 2.1 Front view of 3.5" type controller enclosure (with front cover)................................................... 49
Figure 2.2 Front view of 3.5" type controller enclosure (without front cover).............................................. 50
Figure 2.3 Disk slot numbers (3.5" type controller enclosure) .................................................................... 50
Figure 2.4 Rear view of 3.5" type controller enclosure (single controller model)........................................ 51
Figure 2.5 Rear view of 3.5" type controller enclosure (dual controller model) .......................................... 51
Figure 2.6 ETERNUS DX60/DX80 Fibre Channel model controller ........................................................... 52
Figure 2.7 ETERNUS DX90 Fibre Channel model controller ..................................................................... 53
Figure 2.8 ETERNUS DX60/DX80 iSCSI model controller......................................................................... 54
Figure 2.9 ETERNUS DX60/DX80 SAS model controller........................................................................... 55
Figure 2.10 Power supply unit (3.5" type controller enclosure) .................................................................... 56
Figure 2.11 Front view of 2.5" type controller enclosure (with flange cover) ................................................ 57
Figure 2.12 Front view of 2.5" type controller enclosure (without flange cover) ........................................... 58
Figure 2.13 Disk slot numbers (2.5" type controller enclosure) .................................................................... 58
Figure 2.14 Rear view of 2.5" type controller enclosure (single controller model)........................................ 59
Figure 2.15 Rear view of 2.5" type controller enclosure (dual controller model) .......................................... 59
Figure 2.16 ETERNUS DX60/DX80 Fibre Channel model controller ........................................................... 60
Figure 2.17 ETERNUS DX90 Fibre Channel model controller ..................................................................... 61
Figure 2.18 Power supply unit (2.5" type controller enclosure) .................................................................... 62
Figure 2.19 Front view of 3.5" type drive enclosure (with front cover).......................................................... 63
Figure 2.20 Front view of 3.5" type drive enclosure (without front cover)..................................................... 64
Figure 2.21 Disk slot numbers of 3.5" type drive enclosure.......................................................................... 64
Figure 2.22 Rear view of 3.5" type drive enclosure (single expander model)............................................... 65
Figure 2.23 Rear view of 3.5" type drive enclosure (dual expander model) ................................................. 65
Figure 2.24 Expander (3.5" type drive enclosure) ........................................................................................ 66
Figure 2.25 Power supply unit (3.5" type drive enclosure) ........................................................................... 66
Figure 2.26 Front view of 2.5" type drive enclosure (with flange cover) ....................................................... 67
Figure 2.27 Front view of 2.5" type drive enclosure (without flange cover) .................................................. 68
Figure 2.28 Disk slot numbers of 2.5" type drive enclosure.......................................................................... 68