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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)： | 160/195頁(yè) |
| 文件大?。?/td> | 4722K |
| 代理商： | GSU31 |
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5-10
Intel
Integrated RAID Controller GSU31
User
’
s Manual
Rev 1.0
RAID Features
data. A RAID volume may consume all or a portion of the disk capacity available in a system.
Multiple RAID volumes can exist on a group of disks in a system. GSU31 supports up to 15
volumes per channel. A RAID volume is accessible by the host operating system as a physical disk.
5.2.6.1
RAID Volume Status
RAID volumes may be in 1 of 6 statuses at any one time. The status of a RAID volume describes
its fault tolerance and the integrity of the data it contains. The six types of status are normal,
degraded, failed, initializing, rebuilding and migrating. RAID volume statuses are described in
Table 5-8
.
Table 5-8. RAID Volume Status
RAID Volume Status
Description
Normal
A RAID volume in normal mode has data integrity and a normal degree of fault
tolerance (single disk failure in most RAID levels).
Failed
A RAID volume in failed mode lacks data integrity and because of this, GSU31
blocks access to it.
Degraded
A RAID volume in degraded mode has experienced one or more disk failures,
however, it still has data integrity. Fault tolerance is compromised or non existent.
Initializing
A RAID volume is generating parity. Initialization occurs automatically after the
creation of a new RAID 5 volume (RAID 5 volumes only). A percent sign (%) is
displayed which refers to the percent towards completion.
Rebuilding
A degraded RAID volume is currently rebuilding a failed member disk. There is
always a value listed after rebuilding which indicates the percentage of
completion. Upon completion of the rebuild, the volume
’
s state returns to idle and
the status returns to normal.
Migrating
The RAID volume is being migrated from one RAID configuration to a new RAID
configuration (RAID level migration). Upon completion of the migration, the
volume
’
s state returns to idle. The following activities can cause a migration to
take place:
RAID level change
a strip size change
member disks added (array expansion)
Table 5-9. RAID Volume Status and Array Status
Array Status
Volume Status
Normal
Failed
Migrating
1
Degraded
1
Uninitialized
Initializing
Rebuilding
1
Idle
X
X
RAID Levels
1, 5
RAID Level
5
Changing
Expanding
X
X
Volume
Initialize
RAID Level
5
Rebuilding
X
RAID Levels
1, 5
Contracting
1. Indicates that a volume may be migrating and degraded at the same time. If the volume becomes degraded
during a migration, then the migration completes, and completes the rebuild.
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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