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什么是磁盘阵列?

RAID (Redundant Array of Independent Disks) is a data storage technology that allows multiple hard drives to be combined into a single storage unit. Data is distributed across the drives in one of several ways or RAID levels," depending on the level of redundancy and performance required. RAID levels are not ratings, but rather classifications of functionality. Different RAID levels offer dramatic differences in performance, data availability, and data integrity depending on the specific I/O environment. There is no single RAID level that is perfect for all users.

磁盘阵列的类别及应用

There are number of things that need to be considered when choosing a RAID solution:
  • Performance and Application Requirements:Read and write performance, failure tolerance, and data redundancy are the main factors to consider when selecting the right RAID solution for your application. (See Table 1)
  • Hard Disk Drive Capacity and RAID Card Scalability:Some RAID cards can connect up to 256 SAS/SATA hard drives while others can only connect to 4. The number of HDDs to be used in a RAID solution and how much disk space needed for future storage are two main decision points to consider in selecting RAID card.
  • Cache Protection:Cache protection protects cache memory on the RAID card by using an additional battery pack. Only certain RAID cards support cache protection. For companies that cannot afford data loss due to a power outage, cache protection on the RAID card is a must.
  • Cost Concern:Cost is always associated with performance. For some corporations, performance is a bigger concern than cost. But when cost is a concern, learning to balance cost vs. performance during implementation of a RAID solution, will be very critical.
Table 1
RAID Level 1 5 10
Fault Tolerance Yes Yes Yes
Physical Drive Capacity Utilization 50% 67% 50%
Read Performance Very High Superior Very High
Write Performance Very High High Very High
Minimum Number of Drives 2 3 4
Applications Simple system backup and data protection
  1. General purpose file servers
  2. Database Applications
High performance and systems requiring high reliability
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磁盘阵列选项

  • Entry Level
  • Best Value
  • High Performance and Reliability
Advantech RAID Solution Portfolio
RAID Card Advantech P/N
RAID Level
BUS Interface
Hybrid RAID
Form Factor
Dimensions
Internal Ports
Maximum Scalability
Data Trans Rate
Cache
Cache Protection Advantech P/N
Cable Advantech P/N
HDD Selection Advantech P/N
Mobile Rack /Additional HDD Chassis
Solution Specification Quantity
96RC-SAS-4P-PE-AD1 1
0/1/10/1E/JBOD
1-Lane PCIe Gen2
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 5.115"L (64mm X 130mm)
4 Internal
4 SAS/SATA HDDs
6Gb/s
128MB
Not support  
96CB-MSAS-SATA-4P2 (1 to 4 SATA HDD) 1
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
4
96RACK-5-ST-CR-B1 ( Maximum 3 HDD) 1
Solution Specification Quantity
96RC-SAS-8P-PE-AD1 1
0/1/10/1E/JBOD
4-Lane PCIe Gen2
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 6.095"L (64mm X 155mm)
8 Internal
8 SAS/SATA HDDs
6Gb/s
128MB
Not support  
96CB-MSAS-SATA-4P2 (1 to 4 SATA HDD) 2
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
8
96RACK-5-ST-CR-B1 ( Maximum 3 HDD) 2
Advantech RAID Solution Portfolio
RAID Card Advantech P/N
RAID Level
BUS Interface
Hybrid RAID
Form Factor
Dimensions
Internal Ports
Maximum Scalability
Data Trans Rate
Cache
Cache Protection Advantech P/N
Cable Advantech P/N
HDD Selection Advantech P/N
Mobile Rack /Additional HDD Chassis
Solution Specification Quantity
96RC-SAS-4P-PE-AD 1
0/1/1E/5/5EE/6/10/50/60/JBOD
8-Lane PCIe Gen2
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 6.6"L (64mm X 167mm)
4 Internal
256 SAS/SATA HDDs
6Gb/s
512MB
96RC-AFM600-AD (Optional)  
96CB-MSAS-SATA-4P2 1
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
4
96RACK-5-ST-CR-B1 1
Solution Specification Quantity
96RC-SAS-8P-PE-AD 1
0/1/1E/5/5EE/6/10/50/60/JBOD
8-Lane PCIe Gen2
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 6.6"L (64mm X 167mm)
8 Internal
256 SAS/SATA HDDs
6Gb/s
512MB
96RC-AFM600-AD (Optional)  
96CB-MSAS-SATA-4P2 2
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
8
96RACK-5-ST-CR-B1 2
Solution Specification Quantity
96RC-SAS-16P-PE-AD 1
0/1/1E/10
8-Lane PCIe Gen3
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 6.6"L (64mm X 167mm)
16 Internal
256 SAS/SATA HDDs
6Gb/s
256MB
Not support  
96CB-MSAS-SATA-4P2 4
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
16
96RACK-5-ST-CR-B1 4
Advantech RAID Solution Portfolio
RAID Card Advantech P/N
RAID Level
BUS Interface
Hybrid RAID
Form Factor
Dimensions
Internal Ports
Maximum Scalability
Data Trans Rate
Cache
Cache Protection Advantech P/N
Cable Advantech P/N
HDD Selection Advantech P/N
Mobile Rack /Additional HDD Chassis
Solution Specification Quantity
96RC-SAS-8P-PE-AD3 1
0/1/1E/5/6/10/50/60
8-Lane PCIe Gen3
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 6.6"L (64mm X 167mm)
8 Internal
256 SAS/SATA HDDs
6Gb/s
1024MB
96RC-AFM700-AD (Optional)  
96CB-MSASH-SATA-4P 2
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
8
96RACK-5-ST-CR-B1 2
Solution Specification Quantity
96RC-SAS-16-PE-AD1 1
0/1/1E/5/6/10/50/60
8-Lane PCIe Gen3
Hybrid RAID 1, 10
MD2 - Low Profile
2.535"H X 6.6"L (64mm X 167mm)
16 Internal
256 SAS/SATA HDDs
6Gb/s
1024MB
96RC-AFM700-AD (Optional)  
96CB-MSASH-SATA-4P 4
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
16
User define  
Solution Specification Quantity
96RC-SAS-24P-PE-AD 1
0/1/1E/5/6/10/50/60
8-Lane PCIe Gen3
Hybrid RAID 1, 10
Half Length - Full Height
4.198"H X 6.6"L (107mm X 167mm)
24 Internal
256 SAS/SATA HDDs
6Gb/s
1024MB
96RC-AFM700-AD (Optional)  
96CB-MSASH-SATA-4P 6
96HD500G-ST-SG7K12
96HD1TB-ST-SG7KE
96HD2TB-ST-SG7KE
24
User define  

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