Fujitsu ETERNUS DX S5 Series Design Manual page 8

List of Figures
Figure 1 Configuration Example of Each ETERNUS DX ............................................................................................20
Figure 2 RAID6-FR Concept.....................................................................................................................................34
Figure 3 Example of a RAID Group .........................................................................................................................38
Figure 4 Volume Concept .......................................................................................................................................40
Figure 5 Hot Spare .................................................................................................................................................42
Figure 6 Hot Spare Selection Criteria (for the ETERNUS DX500 S5/DX600 S5).........................................................45
Figure 7 Hot Spare Selection Criteria - Search Order for Drive Enclosures (ETERNUS DX900 S5, Example 1) ..........46
Figure 8 Hot Spare Selection Criteria - Search Order for Drive Enclosures (ETERNUS DX900 S5, Example 2) ..........47
Figure 9 Data Block Guard......................................................................................................................................48
Figure 10 Disk Drive Patrol.......................................................................................................................................49
Figure 11 Redundant Copy Function ........................................................................................................................50
Figure 12 Rebuild.....................................................................................................................................................51
Figure 13 Fast Recovery ...........................................................................................................................................52
Figure 14 Copyback..................................................................................................................................................53
Figure 15 Copybackless ............................................................................................................................................54
Figure 16 Protection (Shield) ...................................................................................................................................55
Figure 17 Reverse Cabling (ETERNUS DX600 S5) ......................................................................................................57
Figure 18 Storage Capacity Virtualization.................................................................................................................59
Figure 19 TPV Balancing (When Allocating Disproportionate TPV Physical Capacity Evenly) ....................................62
Figure 20 TPV Balancing (When Distributing Host Accesses Evenly after TPP Expansion) ........................................62
Figure 21 TPV/FTV Capacity Optimization .................................................................................................................64
Figure 22 Flexible Tier..............................................................................................................................................66
Figure 23 FTV Configuration .....................................................................................................................................67
Figure 24 FTRP Balancing.........................................................................................................................................70
Figure 25 Extreme Cache .........................................................................................................................................72
Figure 26 Extreme Cache Pool..................................................................................................................................73
Figure 27 RAID Migration (When Data Is Migrated to a High Capacity Drive)...........................................................75
Figure 28 RAID Migration (When a Volume Is Moved to a Different RAID Level) ......................................................75
Figure 29 RAID Migration.........................................................................................................................................76
Figure 30 Logical Device Expansion (When Expanding the RAID Group Capacity)....................................................77
Figure 31 Logical Device Expansion (When Changing the RAID Level).....................................................................77
Figure 32 LUN Concatenation ..................................................................................................................................79
Figure 33 LUN Concatenation (Volume Concatenation) ...........................................................................................79
Figure 34 Wide Striping............................................................................................................................................80
Figure 35 Data Encryption with Self Encrypting Drives (SED) ...................................................................................83
Figure 36 Firmware Data Encryption ........................................................................................................................84
Figure 37 Key Management Server Linkage .............................................................................................................86
Figure 38 Account Management ..............................................................................................................................88
Figure 39 Audit Log..................................................................................................................................................92
Figure 40 Eco-mode .................................................................................................................................................93
Figure 41 Power Consumption Visualization ............................................................................................................96
Figure 42 Event Notification ..................................................................................................................................100
Figure 43 Device Time Synchronization..................................................................................................................102
8 Design Guide