20
Chapter 3 Installing the DSN-4000 Series PrimaryArray
3.11
Powering-on the DSN-4X00 Storage Array
To power-on the DSN-4X00 storage array, turn on the rocker switch on both power supplies
at the rear of the unit. When the DSN-4X00 storage array powers-on, the following actions
occur:
The front panel
Power
LED turns green.
The
Power/Activity
LED on each drive carrier that contains a hard disk turns green.
The DSN-4X00 storage array runs its power-on procedure (up to 5 minutes), after which
the Global Enclosure Status
LED on the right front bracket turns green.
After the DSN-4X00 storage array powers-on for the first time, it loads the default settings
and guides you through the
Startup Wizard
, which is a web-based application that is
accessible through the default IP address of
192.168.1.1
. The Startup Wizard allows you
to change the default settings so you can access the DSN-4X00 system on your network.
You can then use the
Management Center
software to create volumes and change other
system settings. For a description of the factory-default configuration settings and how to
change them, refer to the
xStack Storage Software User's Guide
.
The very first time that you power-on the DSN-4X00 primary array, the
battery may not be fully charged. While the battery is still charging, the
write-cache mode will be set to “
Write-Thru
”, which results in slower data
transfer performance. The write-cache mode will automatically change to
“
Write-Back
” after the battery has become fully charged, which will usually
happen within 6 hours, depending on how much charging the battery needs.
3.12
Hot-Plugging Additional DSN-4000 JBOD Expansion Arrays
It is possible to hot-plug additional DSN-4000 JBOD expansion arrays to add new storage
capacity after the system has already been running. However, you must only add an
expansion array to the last
SAS OUT
expansion port in the chain of existing DSN-4X00
primary and DSN-4000 JBOD arrays. The newly added hard disk drives will be numbered
sequentially after the existing drives, and those drives will be initialized automatically
(unless they had been previously used in another D-Link array, in which case you will need to
manually initialize those drives).
To avoid possible loss of data, do not disconnect any of the DSN-4000 JBOD
expansion arrays from the primary array while the system is running.
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