1.3.2
Redundant Copy
Redundant copy function copies data in the disk drive that found a error by Disk Patrol function requires
the preventative maintenance to the hot spare disk. With this function, you can restore the data with keep-
ing the redundancy.
RAID5 (Redundancy)
RAID5 (Redundancy)
Figure 1.11 Redundant Copy Function
P3AM-2512-03EN
ETERNUS2000 disk storage system User Guide
Sign of
failure
Disconnected
Copyright 2009 FUJITSU LIMITED
Create the data from other disk drive
than maintenance target disk drive,
and write data into the hot spare disk.
Hot Spare Disk
Disconnect the maintenance target disk drive
and install the hot spare disk.
Chapter 1 Overview
1
15