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| 型號(hào)： | GSU31 |
| 英文描述： | Peripheral IC |
| 中文描述： | 外圍芯片 |
| 文件頁(yè)數(shù)： | 191/195頁(yè) |
| 文件大?。?/td> | 4722K |
| 代理商： | GSU31 |
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Intel
Integrated RAID Controller GSU31
User
’
s Manual
Rev 1.0
Glossary-3
Glossary
Online RAID Reconfiguration
Ability to switch the RAID level configuration without having to take the system offline.
Operating System Service Module (OSM)
The I
2
O OSM that handles the communication between the host CPU operating system and the I
2
O
Messaging Layer. The OSM is unique for each operating system.
Parity
A technique used to protect a system from data loss due to faults. When parity is implemented
(RAID3 and RAID 5), data written is logically XOR
’
d together to calculate parity which is stored
on the drives along with the data. In a system with three drives, the data is written to two drives and
the calculated parity is stored on a third drive. If one drive fails, data on the failed drive is
reconstructed from other data and parity.
RAID
Redundant Array of Independent Disks (RAID) refers to a method of organizing data on one or
more physical disks to provide increased I/O performance and data protection. The different
methods for organizing the data are referred to as RAID Levels. The RAID levels offered by
GSU31 are 0, 1, 5 and 10.
RAID 0+1
A combination of RAID 1 and RAID 0. Provides high performance and high availability. Also
known as RAID 10.
RAID Level 0
Striping of data across multiple drives in an array. Very fast performance, however there is no data
protection.
RAID Level 1
Also known as mirroring. Mirroring refers to the 100% duplication of data from one disk to
another. Due to the 100% duplication, this is a costly solution.
RAID Level 10
A combination of RAID 1 and RAID 0. Provides high performance and high availability. Also
known as RAID 0+1.
RAID Level 5
Striping with parity. Data and parity information is spread among each drive in the drive group.
Parity requires 33% of the entire drive capacity in a 3 disk group and 20% of the entire drive
capacity in a 5 disk group. This provides a balance between performance and cost.
SAF-TE Support (SCSI Accessed Fault-Tolerant Enclosures)
A standard that allows third party disks and controllers to be automatically integrated with
peripheral enclosures that support status signals, hot swapping of drives and monitoring of fans,
power supplies and monitoring of the enclosure temperature of the disk drives.
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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