NEC EXPRESS5800 R320A-E4 System Configuration Manual page 15

SAS controller
CPU/IO module#0
PCI-Ex slot
2m [K410-168(02)]
Double backup configuration
CPU/IO
module #0
Single backup configuration
CPU/IO
module #0
Express5800/R320a-E4, R320b-M4(Windows2008 R2 model)
[N8803-037]
SAS cable
N8151-101
N8151-102
N8151-90
N8151-77
Device Expansion Unit
[N8141-41F]
SAS
controller
Device Expansion Unit
[N8141-41F]
SAS
controller
Device Expansion Unit
[N8141-41]
Internal SAS cable
[K410-163(00)]
Built-in LTO(LTO2)
Built-in LTO(LTO3)
Built-in LTO(800GB)
Built-in LTO(800GB)
[Notes for double backup]
(1) Backup job
There are the following notes for double backup
configuration.
Configure 2 sets of SAS controller/SAS cable/Backup
device. Two backup devices are recognized separately by
OS.
When automatically backup by a job, make a job for each
SAS cable
backup device so that each device can backup. In case one
K410-168(02)
device fails, the other backup device can backup.
(2) Note for BrightStor ARCserve backup
When making a job, backup is not performed if you put [*]
CPU/IO
in the [group] of destination tab.
module #1
Be sure to configure two backup jobs with setting the
device group at the group on the destination tab and the
media definition as "*" or the name of the media.
FT server
[Notes for single backup]
Configure 1 set of SAS controller/SAS cable/Backup
device. In case a CPU/IO module or backup device fails,
backup is not possible until the failed part is repaired or
replaced.
When two servers share a Device Expansion
Unit [N8141-41F]
SAS cable
K410-168(02)
CPU/IO
module #1
R320a-E4,R320b-M4
FT server
Power Unit
[N8181-54F]
R320a-E4,R320b-M4
15