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參數(shù)資料
| 型號： | GSU31 |
| 英文描述： | Peripheral IC |
| 中文描述： | 外圍芯片 |
| 文件頁數(shù)： | 156/195頁 |
| 文件大?。?/td> | 4722K |
| 代理商： | GSU31 |
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5-6
Intel
Integrated RAID Controller GSU31
User
’
s Manual
Rev 1.0
RAID Features
5.2
Overview of the RAID Subsystem
5.2.1
Summary of RAID Levels
GSU31 supports RAID Levels 0,1, 5 and 10.
Table 5-1
provides a summary of RAID levels.
Table 5-1. Summary of RAID Levels
GSU31 Features and Performance
RAID
Level
Description
Minimum
Number of
Drives
Supported
Maximum
Number of
Drives
Supported
Data
Reliability
(protection)
Data
Transfer
Rates
Relative
I/O Rates
0
Striping of data across
multiple drives in an array.
This is a high performance
solution, however there is
no data protection.
1
15
No data
protection.
Very High
Very high for
both reads
and writes.
1
Also known as mirroring.
Mirroring refers to the
100% duplication of data
from one disk to another.
This is a high availability
solution, but due to the
100% duplication, it is also
a costly solution.
2
2
Highest
reliability;
much higher
reliability than
a single drive
(no RAID).
Reads are
higher than
a single
drive.
Writes are
about the
same as a
single drive.
Reads are
up to two
times faster
than a single
drive.
Writes are
about the
same as a
single drive.
5
Striping with parity. Data
and parity information is
spread among each drive
in the drive group. Parity is
equal to the total number
of disks in the volume
minus one drive. That one
drive must be equal to the
smallest drive capacity in
the array.
3
15
Lower
reliability than
RAID 1;
higher
reliability than
a single drive
or RAID 0.
Reads are
similar to
RAID 0.
Writes are
slower than
a single
drive due to
penalty of
writing
parity.
Reads are
similar to
RAID 0.
Writes are
usually
slower than
a single
drive.
10
RAID 10 is a combination
of RAID 0 and RAID 1.
This feature is not user
selectable. It is a function
of how the GSU31 writes
data on RAID 1 arrays with
3 or more disks.
3
15
Higher
reliability than
RAID 5; much
higher
reliability than
a single drive
(no RAID).
Transfer
rates more
similar to
RAID 1 than
RAID 0.
Reads are
up to two
times faster
than a single
drive.
Writes are
about the
same as a
single drive.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GT-1B | GT-1X Series are small gifts that can be used as mini torches |
| GT-1R | Aluminum Electrolytic Radial Leaded General Purpose Capacitor; Capacitance: 2200uF; Voltage: 10V; Case Size: 10x20 mm; Packaging: Bulk |
| GT-1W | GT-1X Series are small gifts that can be used as mini torches |
| GT-1X | GT-1X Series are small gifts that can be used as mini torches |
| GT-1Y | Aluminum Electrolytic Radial Leaded General Purpose Capacitor; Capacitance: 22000uF; Voltage: 10V; Case Size: 20x40 mm; Packaging: Bulk |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GSUBN | 制造商:PCTEL 功能描述:ANTENNA HARDWARE/ACCESSORY |
| GSUL2SS | 制造商:Thomas & Betts 功能描述:SAFE GROUND INDICATOR,120V |
| GSUL2SS-240 | 制造商:Thomas & Betts 功能描述:SAFE GROUND INDICATOR,240V |
| GSUL2SS-240/XY | 制造商:Thomas & Betts 功能描述:SAFE GROUND INDICATOR,240V SPCL |
| GSULTERMBLK | 制造商:Thomas & Betts 功能描述:REPL TERM BLK FOR GSUL, UPPER LEFT |
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