2.2
Condre RAID
Features
The
Condre RAID
supports RAID Levels 0, 1, (0+1), (3) and 5, automatic failed-drive
detection, transparent drive rebuilds, bad sector re-mapping, automatic hot spare and
on-line hot swap.
2.2.1 Array
Management
The unique
Condre RAID
array management firmware utilizes multitasking real-time kernel
technology to manage the controller. Additional features are real-time I/O load analysis,
on-line diagnostics, event logging and broadcasting, and device inventory management.
These features can be accessed locally or via modem to allow centralized monitoring
and control of the
Condre RAID
.
2.2.2 RAID
Levels
What are RAID levels?
RAID
Level
Description
Minimum
Drives
Data
Availability
Performance
Sequential
Performance
Random
None RAID Non-RAID
1
Drive
Drive
RAID 0 Disk Striping
N
= NRAID
R: Highest
W: Highest
R: High
W: Highest
RAID 1
(0+1)
Mirroring Plus
Striping
(if N>1)
N+1 >NRAID
= RAID 5
R: High
W: Medium
R: Medium
W: Low
RAID 3 Striping with
Parity on
dedicated disk
N+1 >NARID
= 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
10
The
Condre RAID
supports RAID Levels 0, 1, (0+1), (3) and 5. Depending on the
application that will be used each RAID level offers a difference in performance,
functionality and fault tolerance. The following is a brief explanation of each RAID level.
Before configuring the
Condre RAID
be sure to know what RAID level is best suited for
your application.
