Redundant Copy; Advanced Copy - Fujitsu Eternus DX60 User Manual

Chapter 1 Overview
> 1.3 Functions
1.3.2

Redundant Copy

Redundant copy function copies data in the disk that found a error by Disk Patrol function
requires the preventative maintenance to the hot spare. With this function, you can restore the
data with keeping the redundancy.
RAID5 (Redundancy)
RAID5 (Redundancy)
Figure 1.11 Redundant Copy Function
1.3.3

Advanced Copy

The Advanced Copy functions allows the ETERNUS DX60/DX80 to carry out high-speed data
copying operations on its own, with no need to draw on server resources.
The Advanced Copy functions of the ETERNUS DX60/DX80 can be used in the following
procedures.
• Data copy in volume unit using GUI or CLI commands
• Snap shot creation of volumes using the Microsoft® Windows Server® Volume Shadow Copy
Service function (hereafter referred to as "VSS")
• Data backup, data restoration and test data replication for a system test in conjunction with
work using ETERNUS SF AdvancedCopy Manager
P3AM-3042-03ENZ0 ETERNUS DX60/DX80 Disk storage system User Guide
Sign of
failure
Disconnected
35
Create the data from other disk
than maintenance target disk,
and write data into the hot spare.
Hot Spare
Disconnect the maintenance target disk
and install the hot spare.
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