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Introduction
Advanced RAID Features
Adaptec RAID controllers support the following advanced features:
■
Optimized Disk Utilization
—Allows you to use the full capacity
of all your drives, even if drive sizes vary.
■
SATA/SCSI Disk Hot Plug
—Allows you to add and remove
disks without shutting down your system.
■ Online Capacity Expansion
■ Array Level Migration
■ Drive Enclosures – SCSI only
■ Hotspares
■ Audible Alarm
■ Automatic Failover
■ Adaptec Battery Backup Module
Online Capacity Expansion
These Adaptec RAID controllers support Online Capacity
Expansion (OCE) of existing arrays for all operating systems. With
OCE, you can add new members to increase the capacity of an
array without losing any data. For details, refer to the Adaptec
Storage Manager online Help.
Windows OCE allows you to use the additional capacity without
restarting the system. For details, refer to your Windows
documentation.
Array Level Migration
Adaptec RAID controllers support migration from one array level,
or type, to another provided your controller supports the new array
type. The migration possibilities are described in the table below.
For details, refer to the Adaptec Storage Manager online Help.
Current Array Type New Array Type
RAID 0 RAID 5 or 10
RAID 1 RAID 0 or 5 or 10
RAID 5 RAID 0 or 10
RAID 10 RAID 0 or 5