DSS212J Enclosure Quick Guide
7. Install the populated drive trays into the
enclosure with the drives properly secured.
2. Secure the drive tray to the
enclosure by placing the tray
handle to lock position
1. Push the tray by the latch all the way into
the drive bay to ensure a complete insertion
8. Drive Mapping of DSS212J is as follows:
9. Plug in the mini-SAS cables to the SAS ports at the
back of the unit. Refer to the system configurations below to
decide on which port to use.
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
Host / Client
SAS Adapter
Single expander mode: SAS drives are not required, no high
availability is possible with this configuration. The SAS
HBA/RAID controller will see all 12 HDDs from DSS212J.
Connect SAS cable to Host Port of the Primary Module.
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
Host / Client
SAS Adapter
Daisy-chain mode: a single expander mode with expandable
storage. The SAS HBA/RAID controller will see the collective
HDDs from the daisy-chained DSS212Js.
Connect the Expander Port from the first unit to the Host Port
of the second unit and so on.
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
Host / Client
SAS Adapter
Host / Client
SAS Adapter
Dual expander mode: SAS drives are required. Two hosts are
able to connect to the unit storage through the dual port of the
SAS drives. No shared storage. No high availability. Each host
accesses a different set of drives.
Connect SAS cables to the Host Port of each expander.
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
Host / Client
LSI Syncro
Host / Client
LSI Syncro
Syncro mode: SAS drives are required. Two servers with LSI
Syncro CS redundant RAID controller (CS 9286-8e) are required
for this configuration. The storage is shared between two
servers providing high availability.
Communication between two Syncro CS redundant RAID
controller cards is achieved through the Fail-Over ports.
Connect SAS cables to the Host Port and Fail-Over port of each
expander.
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
Host / Client
LSI Syncro
DSS212J
Primary
Secondary
Fail -Over
Fail -Over
Exp H ost
Exp H ost
Host / Client
LSI Syncro
Syncro mode daisy-chained: A Syncro mode with expanded
storage. Connect the Expander Port from the first unit to the
Host Port of the second unit and so on.
10.Plug in the power cords to the AC
receptacles on the back of the unit and secure it
with the wire lock.
11. Press the power button on the front of
the unit after connecting a monitor and input devices,
and get ready for software installation.
Access the Serial Console (when necessary) by
connecting a serial audio cable to the debug console port and
use a terminal console with baud
rate 38400, 8, N, 1, N.
Once there, type “help –a”
for the list of commands.
To remove Blower
Module follow the
diagram on the right
The following illustration
explains how to install an
Expander Cover
1. Loosen the thumbscrews
2. Pull out the blower module
1. Remove the expander module
2. Align cover to the
expander slot and
secure with screw
For software guide, please refer to the respective adapter’s Software Guide
For more information please visit our website at www.echostreams.com
Copyright © 2014, Echostreams Innovative Solutions LLC. All rights reserved.
