Fujitsu Eternus DX60 Product Introduction page 7

Battery Free Cache Protection (2)
Battery Free Cache Protection (2)
Technology comparison
Previous technology (ETERNUS 2000)
Previous technology (ETERNUS 2000)
Power is supplied from BBU*
to memory when power fails.
CM#0
Cache data can be kept as
long as the battery has power
RoC
BBU = Battery Backup Unit
Product Introduction ETERNUS DX60 and DX80
Support for 8 Gbps FC Interface (DX80)
Support for 8 Gbps FC Interface (DX80)
Improved throughput performance
8 Gbps FC connector
8 Gbps FC connector
FC 8 Gbps
CM#0
PCI Express
Gen2
Nonvolatile
Memory
LSI
PSU
Product Introduction ETERNUS DX60 and DX80
BBU
Memory
Data
panel
CM#1
SCU
Memory
RoC
RoC (RAID-on-Chip)
New way (ETERNUS DX60 & DX80)
New way (ETERNUS DX60 & DX80)
FC8/4/2Gbps
SCU* supplies
power when power
fails
PCI Express
Gen2
Nonvolatile Memory
memory
Data
Migrate cache data to a
nonvolatile memory at high
speed through a dedicated line
12
Copyright Fujitsu Technology Solutions, Release June 2009
Potential for 1.5 (or greater)
Potential for 1.5 (or greater)
FibreCAT
13
Copyright Fujitsu Technology Solutions, Release June 2009
SCU
Memory
RoC
LSI
Data
throughput
throughput
1.5 times or more
ETERNUS
SX80 DX80