User’s Guide
8
RAID
Level
Description
Minimum
Drives
Data
Availability
Performance
Sequential
Performance
Random
RAID 3
Striping with
Parity on
dedicated
disk
N+1
>>NRAID
==RAID 5
R: High
W: Medium
R: Medium
W: Low
RAID 5
Striping with
interspersed
parity
N+1
>>NRAID
==RAID 5
R: High
W: Medium
R: High
W: Low
NRAID Disk Spanning
+
+
+
=
2 GB Hard Drive
3 GB Hard Drive
1 GB Hard Drive
2 GB Hard Drive
Logical
Drive
2 + 3 + 1 + 2 = 8 GB Logical Drive
NRAID stands for Non-RAID. The capacity of all the drives are
combined to become one logical drive (no block striping). In other
words, the capacity of the logical drive is the total capacity of the
physical drives. NRAID does not provide data redundancy.
NRAID
Minimum
Disks required
1
Capacity
N
Redundancy
N
o
Содержание AcerAltos 3102RS
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Страница 55: ...Chapter 3 Functional Descriptions 37 Drive E now has a capacity just under 1800MB ...
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