Lun Concatenation - Fujitsu Eternus DX60 Product Introduction

Dynamic LUN Migration
Dynamic LUN Migration
LUNs can be migrated on the fly to
Other drives and different RAID groups
Other drives and different drive types (e.g. SAS to NL SAS, SAS to SSD)
Benefits
Reduce hot spots
Move LUNs to more suitable disk type or RAID type if requirements
change
LUN 0
LUN 1
Product Introduction ETERNUS DX60 and DX80

LUN Concatenation

LUN Concatenation
Can expand the capacity of existing LUN by creating new LUN
and concatenating it to an existing LUN
Data on existing LUN will be kept
• Independent of RAID level in use
• Minimum required capacity of a LUN is greater than 1 GB
• Maximum number of LUNs that can be concatenated is 16
• Maximum capacity of a concatenated LUN is 32 TB
LUN 0
LUN 1
ETERNUS
ETERNUS
Product Introduction ETERNUS DX60 and DX80
RAID
Group #0
RAID
migration
RAID
Group #1
16
Create LUN
RAID
and Concatenate
Group #0
existing LUN
RAID
ETERNUS
ETERNUS
Group #1
17
LUN 0
LUN 1
Copyright Fujitsu Technology Solutions, Release June 2009
LUN 0
LUN 1
Copyright Fujitsu Technology Solutions, Release June 2009
LUN x