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Chapter 1 – Introduction
Automatic Global Hot Spare
Hot Spare allows for the automatic replacement of a failed drive without requiring intervention
from the administrator. When a disk fails the ACS-8990 will automatically replace the faulty
drive with the configured hot spare disk.
The Global Spare Drive does not serve only a specified logical drive. When a member drive
from any of the logical drives fails, the Global Spare Drive will join that logical drive and
automatically start to rebuild.
Automatic Drive Rebuild
If a member drive in a logical drive fails, the controller will search for a Global Spare Drive. If
there is a Global Spare Drive, it will automatically rebuild the logical drive.
Instant Remote Notification
ACS-8990 supports but does not require additional software for system monitoring and
analysis. The ACS-8990 array management firmware continuously monitors the system
activity and immediately launches the fax event notification feature if any failure occurs. Up to
two pager numbers and two fax numbers can be notified instantaneously and repeatedly for
extra insurance.
UPS Support
ACS-8990 supports the use of an uninterruptible power supply. In the event of a power
breakdown, a UPS will keep the RAID controller online long enough for its internal cache
memory to be saved to a hard drive.
Before you begin
What's in the box
Some vendors may ship certain components as standard, while other vendors treat the same
component as optional. In its most basic configuration, your package should include the
following:
ACS-8990 SCSI-SATA package
ACS-8990 Controller Box ×1 with:
– ACS-8990 controller
– ACS-7485 SCSI daughter board
– ACS-8961 Backplane
– Panel module
– 10 pin panel cable & LCD cable
ACS-8990 Controller User's Manual ×1
Serial ATA cables ×16
3-in-1 Combo Cable ×1
Mounting screws (bag) ×1
GUI CD Drive ×1
15
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