Rorke Data The Galaxy 65 Spécifications Page 24

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Galaxy Web GUI User Reference Manual
2-2 Before You Start: Understanding GALAXY Storage Architecture
2.1. Before You Start: Understanding GALAXY
Storage Architecture
The Embedded Galaxy Web GUI comes with no preset password. If you have
a preset password for your RAID system, enter the password the first time you
access the system over the Embedded Galaxy Web GUI.
Before creating storage configurations, it is recommended you read through
this section to gain understanding of the HDX4 DS series storage architecture.
Comparisons among the standard HDX3 and the newest HDX4 series are
listed.
2.1.1 Differences from Other Galaxy Storage Series
Differences among Product Series
List of key differences between HDX3 and older HDX RAIDs and HDX4 DS
series:
1. The units presented to host as LUNs are different:
HDX4
HDX3 and older
Mappable units
(LUNs)
Partitions within Logical
Volumes
Partitions within Logical
Drives
- OR -
Partitions within Logical
Volumes
Configuration
interface
Storage Manager, LCD,
terminal
Storage Manager, LCD,
terminal
Table 2-1 Differences in LUNs
* Logical Drives are not mappable in the Galaxy HDX4 series.
2. Ways to present storage volumes are different:
HDX4
HDX3 and older
Physical drives -> Logical
Drives -> Logical Volumes ->
Logical Partitions -> LUNs
Physical drives -> Logical
Drives -> Logical Partitions ->
LUNs
Physical drives -> Logical
Drives -> Logical Volumes ->
Logical Partitions -> LUNs
Table 2-2 Differences in Storage Configurations
Physical drives are grouped into logical drives, and then included in logical volumes. The
capacity within a logical volume can be divided into several logical partitions and then mapped
to host ID/LUNs. Logical partitions are the mappable units
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