Manual

Accusys Acuta User’s Manual
12
Key features
The ACUTA 4/4S supports the following features
z Automatic on-line rebuilding
z Drives are hot swappable
z Supports RAID levels 0, 0+1 and 5
z Optional hot spare setup for RAID 5 (5+spare)
z Hot swappable fan
z Supports four parallel ATA/Serial ATA I hard drives
z Requires no driver
z Audible alarm on drive failure & alarm mute function
z Supports multiple host interfaces
z Disk auto shutdown when system over heat for protecting ACUTA 4/4S.
z Plug and play
Hot Spare
Hot Spare allows for the automatic replacement of a failed drive without requiring intervention
from the administrator. If this option is selected and a drive fails, the ACUTA 4/4S will
automatically replace the faulty drive with the hot spare drive.
Automatic drive rebuilding
If a member drive in a RAID 5 array is replaced on-line, the controller will automatically start to
rebuild data to the new drive.
Hard drive hot swapping
Hot swapping allows for the removal and installation of disk drives without the need to power
down the system while the ACUTA 4/4S system is in use.
Multiple host interface support
The ACUTA 4/4S is available in two hardware configurations so that users may select the host
interface most appropriate for their system. The two configurations offer the following host
interfaces:
z IEEE 1394A/B (also known as I. Link
and FireWire) and USB 2.0
z Serial ATA
Auto disk shut down when over heat
The ACUTA 4/4S will shut down disks automatically when temperature is over 55
o
C to prevent
the damage of DISK and DATA loss.
This manual contains the information necessary to set up each of the two
available hardware configurations of the ACUTA 4/4S. Where procedures for
the configurations differ, they are described separately and clearly marked.
Warranty
One year warranty
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