TOE技术以及TOE网卡的工作原理
作者：sansky | 发布日期：Nov 17th, 2007年TCP/IP协议早已是网络的标准语言。随着Internet SCSI、Remote Diret Memory Access这些网络存贮标准的问世和实用化，从某种意义上说，TCP/IP又成了一种存贮协议。
我们知道，用TCP/IP协议处理网络流量，要占用大量服务器资源。为...
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RAID10工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 10: Very High Reliability combined with High Performance
Characteristics/Advantages
1. RAID 10 is implemented as a striped array whose segments are RAID 1 arrays
2. RAID 10 has the same fault tolerance as RAID level 1
3. RAID 10 has the same overhead for fault-tolera...
RAID7工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 7: Optimized Asynchrony for High I/O Rates as well as High Data Transfer Rates
Architectural Features:
1. All I/O transfers are asynchronous, independently controlled and cached including host interface transfers
2. All reads and write are centrally cached via the high spe...
RAID6工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 6: Independent Data disks with two independent distributed parity schemes
Characteristics/Advantages
1. RAID 6 is essentially an extension of RAID level 5 which allows for additional fault tolerance by using a second independent distributed parity scheme (two-dimensional parity)...
RAID5工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 5: Independent Data disks with distributed parity blocks
Characteristics/Advantages
1. Highest Read data transaction rate
2. Medium Write data transaction rate
3. Low ratio of ECC (Parity) disks to data disks means high efficiency
4. Good aggregate transfer rat...
RAID4工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 4: Independent Data disks with shared Parity disk
Characteristics/Advantages
1. Very high Read data transaction rate
2. Low ratio of ECC (Parity) disks to data disks means high efficiency
3. High aggregate Read transfer rate
Disadvantages
1. Quite complex...
RAID3工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 3: Parallel transfer with parity
Characteristics/Advantages
1. Very high Read data transfer rate
2. Very high Write data transfer rate
3. Disk failure has an insignificant impact on throughput
4. Low ratio of ECC (Parity) disks to data disks means high efficien...
RAID2工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 2: Hamming Code ECC
Characteristics/Advantages
1. “On the fly” data error correction
2. Extremely high data transfer rates possible
3. The higher the data transfer rate required, the better the ratio of data disks to ECC disks
4. Relatively simple c...
RAID1工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID1: Mirroring and Duplexing
Characteristics/Advantages
1. One Write or two Reads possible per mirrored pair
2. Twice the Read transaction rate of single disks, same Write transaction rate as single disks
3. 100% redundancy of data means no rebuild is necessary in case ...
RAID0工作原理图解及特点分析
作者：sansky | 发布日期：Jun 19th, 2007年RAID 0: Striped Disk Array without Fault Tolerance
Characteristics/Advantages
1. RAID 0 implements a striped disk array, the data is broken down into blocks and each block is written to a separate disk drive
2. I/O performance is greatly improved by spreading the I/O load acros...
