Biostar N4SIE-A7 El manual del propietario descargar pdf (Pagina 32)

N4SIE-A7

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.

Features and Benefits

- Drives: Minimum 2, and maximum is 2.

- Uses: RAID 1 is ideal f or small databases or any other application that

requires f ault tolerance and minimal capacity.

- Benefits: Prov ides 100% data redundancy. Should one driv e f ail, the

controller switches to the other drive.

- Drawbacks: Requires 2 driv es for the storage space of one driv e.

Perf ormance is impaired during driv e rebuilds.

- Fault Tolerance: Yes.

Spanning (JBOD):

JBOD stands for “Just a Bunch of Disks”. Each drive is accessed as if it were

on a standard SCSI host bus

adapter. This is useful when a

single drive configuration is

needed, but it offers no speed

improvement or fault tolerance.

Features and Benefits

- Uses: JBOD works best if y ou hav e odd sized driv es and y ou want to

combine them to make one big drive.

- Benefits: JBOD prov ides the ability to combine odd size driv es using all of

the capacity of the driv es.

- Drawbacks: Decreases performance because of the difficulty in using

driv es concurrently.

- Fault Tolerance: Yes.

※ For more detailed setup information, please refer to the Driver CD, or go to

http://www.nvidia.com/page/pg_20011106217193.html to download NVIDIA nForce Tutorial Flash.

Blo ck 1

Block 2

Block 3

Blo ck 1

Block 2

Block 3

Disk 1: 40GB

Disk 2: 80GB

Disk 3: 40GB

Dis k 4 : 12 0G B

Single Logica l

Drive

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 68 69

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Biostar N4SIE-A7 El manual del propietario Pagina 32

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