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SCSI Features

1, fast

The server uses the hard drive speed, can reach 7200 or 10000 rpm, even higher; it also configures a large (typically 2MB or 4MB) write-back cache, the average access time is relatively short, the external transmission rate and the internal transmission rate are higher, with ultra wide SCSI, ULTRA2 wide SCSI, Ultra160 SCSI, Ultra320 SCSI, and other standard SCSI hard drives, The data transmission rate per second can reach 40MB, 80MB, 160MB, 320MB, respectively.

2. High reliability

Because the server hard disk almost 24 hours Non-stop operation, bear the enormous workload. It can be said that the hard drive if there is a problem, the consequences are unimaginable. As a result, the current hard drive uses S. m. R. T technology (self-monitoring, analysis and reporting technology), while hard disk manufacturers have adopted their own unique advanced technology to ensure data security. In order to avoid accidental loss, the server hard disk generally can withstand the impact of 300G to 1000G.

3, more use of SCSI interface

Most servers use SCSI hard drives with large data throughput and very low CPU share. SCSI hard drives must be used through SCSI interfaces, some server boards integrate SCSI interfaces, some have dedicated SCSI interface cards, and a SCSI interface card can be connected to 7 SCSI devices, which is unmatched by the IDE interface.

4. Hot plug can be supported

Hot swap is a number of server-supported hard drive installation, you can unplug or insert a hard drive without downtime, and the operating system automatically identifies changes to the hard disk. This technology is necessary for a 24-hour uninterrupted server.


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