Table of Contents
Overview............................................................................................................... 15
Product Lineup ......................................................................................................................... 15
ETERNUS AF150 S3...........................................................................................................................................16
ETERNUS AF250 S3...........................................................................................................................................17
ETERNUS AF650 S3...........................................................................................................................................18
Function Specification List........................................................................................................ 19
Basic Functions..................................................................................................... 22
RAID Functions ......................................................................................................................... 22
Supported RAID................................................................................................................................................22
User Capacity (Logical Capacity) ......................................................................................................................24
RAID Group ......................................................................................................................................................25
Volume ............................................................................................................................................................27
Hot Spare.........................................................................................................................................................29
Data Protection ........................................................................................................................ 32
Data Block Guard .............................................................................................................................................32
Disk Drive Patrol ..............................................................................................................................................33
Redundant Copy ..............................................................................................................................................34
Rebuild ............................................................................................................................................................35
Fast Recovery...................................................................................................................................................36
Copyback/Copybackless....................................................................................................................................37
Reverse Cabling ...............................................................................................................................................41
Operations Optimization (Deduplication/Compression and Storage Virtualization).................. 42
Deduplication/Compression .............................................................................................................................42
Thin Provisioning .............................................................................................................................................49
Flexible Tier .....................................................................................................................................................56
Optimization of Volume Configurations.................................................................................... 62
RAID Migration ................................................................................................................................................63
Logical Device Expansion.................................................................................................................................65
LUN Concatenation ..........................................................................................................................................66
Wide Striping ...................................................................................................................................................68
Data Encryption........................................................................................................................ 69
2
Design Guide
Содержание ETERNUS AF S3 Series
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