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Galaxy V3.85 Firmware User Manual
5.1.3
Data Services
The Data Service features include: Snapshot, Volume Copy, Volume Mirror, Thin
Provision (from firmware version 386), and a scheduler tool for these features. Below
is the availability of data services for different series:
Data services
Scale-out & Load
Balance
Virtualization &
thin-provision
Galaxy HDX4
HDX, HDX2, HDX3
Yes
No
No
No
No
No
The Data Service functions in the HDX4 series can only be configured through the
Galaxy Array Manager console. You can not create Data Service configurations
using a RS232 terminal and LCD keypad.
5.1.4
Limitations
There are limitations for standard Galaxy HDX,HDX2, HDX3 and Galaxy HDX4
series:

A standard Galaxy cannot be upgraded to Galaxy HDX4.

You can not expand a logical volume by adding new members in the HDX4.

A Galaxy HDX4 cannot be downgraded to a older standard Galaxy.

A Physical LD configured in Galaxy cannot be moved and installed into a Logical
Volume in Galaxy HDX4.

You cannot perform Volume Copy or Volume Mirroring between an Galaxy
HDX4 and a standard Galaxy.
Software features are separately-purchased and available via software licenses:
They include:

Galaxy HDX4 Advanced In-System Replication (Snapshot + Volume
Copy/Mirror of volumes within the same storage configuration consisting of 1
RAID system and multiple JBODs)

Galaxy HDX4 Remote Replication (Copy or Mirror between volumes managed
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