Biostar NF4UL-A9 NF4UL-A9 user's manual - Page 24

Raid 1

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NF4UL-A9 RAID 1: Every read and write is actually carried out in parallel across 2 disk drives in a RAID 1 array system. The mirrored (backup) copy of the data can reside on the same disk or on a second redundant drive in the array. RAID 1 provides a hot-standby copy of data if the active volume or drive is corrupted or becomes unavailable because of a hardware failure. RAID techniques can be applied for high-availability solutions, or as a form of automatic backup that eliminates tedious manual backups to more expensive and less reliable media. nVIDIA nForce 4 CK8-04 Ultra Block 1 Block 2 Block 3 Block 1 Block 2 Block 3 Features and Benefits Drives: Minimum 2, and maximum is 2. Uses: RAID 1 is ideal for small databases or any other application that requires fault tolerance and minimal capacity. Benefits: Provides 100% data redundancy. Should one drive fail, the controller switches to the other drive. Drawbacks: Requires 2 drives for the storage space of one drive. Performance is impaired during drive rebuilds. Fault Tolerance: Yes. 22

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NF4UL-A9
22
RAID 1:
Every read and write is actually carried out in parallel across 2 disk
drives in a RAID 1 array system. The mirrored (backup) copy of the
data can reside on the same disk or on a second redundant drive in the
array. RAID 1 provides a hot-standby copy of data if the active volume
or drive is corrupted or becomes unavailable because of a hardware
failure.
RAID techniques can be applied for high-availability solutions, or as a
form of automatic backup that eliminates tedious manual backups to
more expensive and less reliable media.
nVIDIA
nForce 4
CK8-04
Ultra
Block 1
Block 2
Block 3
Block 1
Block 2
Block 3
Features and Benefits
±
Drives:
Minimum 2, and maximum is 2.
±
Uses:
RAID 1 is ideal for small databases or any other
application that requires fault tolerance and minimal capacity.
±
Benefits:
Provides 100% data redundancy. Should one drive
fail, the controller switches to the other drive.
±
Drawbacks:
Requires 2 drives for the storage space of one
drive. Performance is impaired during drive rebuilds.
±
Fault Tolerance:
Yes.