Fujitsu Eternus2000 Manual page 120

4.3 ETERNUS2000 Setup
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4.3.1.4 RAID Group Creation (Setting4)
Create a RAID group (a group of disk drives configuring RAID in the storage system device).
IMPORTANT
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Specify the disk drive to be registered as the Hot Spare (multiple selections can
be made), and click the [OK] button.
Figure 4.12 Hot Spare disk registration screen
A confirmation screen appears.
Click the [Yes] button.
After completing the setting successfully, the Setting3 screen is closed.
• When operating with factory default settings, this setting is not
required. When changing the factory default setting, delete the fac-
tory setting (volume, RAID group, and LUN mapping) and then create
RAID groups. For details on delet ing the setting, refer to
"ETERNUS2000 ETERNUSmgr User Guide -Settings/Maintenance-".
• For RAID5 and RAID6, ensure that a single RAID group is not being
configured by too many disk drives. Doing so may increase the time
to perform Rebuild/Copyback when a disk drive fails.
• Disk drives with different capacities can be installed in a single Drive
Enclosure. However, All disk drives configuring a RAID group should
be of the same capacity. Do not include disk drives with a different
capacity in a RAID group.
Copyright 2009 FUJITSU LIMITED
ETERNUS2000 disk storage system User Guide P3AM-2512-03EN