客戶PC和服務(wù)器的配置不合適
客戶PC的配置取決于準(zhǔn)備使用的操作系統(tǒng)。如DOS和Windows 3.1只要8MB內(nèi)存就可運(yùn)轉(zhuǎn)，而Windows 9x至少要16～32MB，Windows NT少要32MB，好是64MB，特別是Windows 2000，更需要64MB內(nèi)存。除內(nèi)存外對(duì)Windows 2000來說，應(yīng)采用更快的處理機(jī)和更大空間的硬盤。
在選用客戶PC時(shí)，雖然可以比服務(wù)器的機(jī)器差一些，但內(nèi)存一定要比上面的要求還高一些。因?yàn)闄C(jī)器除運(yùn)轉(zhuǎn)操作系統(tǒng)以外，還要與服務(wù)器讀寫數(shù)據(jù)。
服務(wù)器的CPU和硬盤驅(qū)動(dòng)器承受網(wǎng)絡(luò)上所有客戶機(jī)的服務(wù)請(qǐng)求。服務(wù)器需要大量存儲(chǔ)器，比客戶機(jī)存儲(chǔ)器容量要高得多才行。
好知道主板上存儲(chǔ)器插槽數(shù)目和支持的大內(nèi)存數(shù)量。檢查隨DCS服務(wù)器來的存儲(chǔ)器是如何配置的。單條64MB DIMM機(jī)器比用16MB模塊插滿4個(gè)插槽的機(jī)器更容易升級(jí)。
服務(wù)器好采用支持ECC內(nèi)存的存儲(chǔ)器。當(dāng)ECC存儲(chǔ)器與一個(gè)支持ECC的主板芯片組一起使用時(shí)，可糾正單個(gè)位存儲(chǔ)器錯(cuò)誤和檢測(cè)多位存儲(chǔ)器錯(cuò)誤。
硬盤驅(qū)動(dòng)器對(duì)于服務(wù)器也很重要，連在網(wǎng)上的計(jì)算機(jī)都共享服務(wù)器文件，硬盤驅(qū)動(dòng)器應(yīng)耐用、可靠和適用于同時(shí)為多個(gè)用戶服務(wù)的。因此，采用SCSI硬盤驅(qū)動(dòng)器較合適。SCSI驅(qū)動(dòng)器有智能和較快的轉(zhuǎn)速，采用UtraWideSCSI時(shí)從驅(qū)動(dòng)器到系統(tǒng)間有極高數(shù)據(jù)傳輸率。無論是IDE硬盤驅(qū)動(dòng)器還是SCSI硬盤驅(qū)動(dòng)器，都可采用RAID技術(shù)，能更安全地保存數(shù)據(jù)，提高服務(wù)器質(zhì)量。SCSI總線可連接多臺(tái)硬盤驅(qū)動(dòng)器，采用一臺(tái)9GB的硬盤驅(qū)動(dòng)器沒有9臺(tái)1GB的SCSI硬盤驅(qū)動(dòng)器的效率高。
The information is sent to the server, and the client reads and writes data from the server. Due to the large number of clients, if the same connection is used between them, they may crash. The data read by each client from the server can be the same or different. It can also be that all clients display the same content, and multiple operating stations operate redundantly. Each operating station can exchange more data with the server, and 100base port can be used. There is less data exchange between the server and the controller. 10base port is used. There is basically no data exchange between clients, and 10base port can also be used. If this is not the case, a client panic is likely to occur.Improper configuration of client PC and server
The configuration of the customer PC depends on the operating system to be used. For example, dos and windows 3.1 only need 8MB of memory to run, while Windows 9x needs at least 16 ~ 32MB, Windows NT needs at least 32MB, preferably 64MB, especially windows 2000 needs 64MB of memory. In addition to memory, for Windows 2000, a faster processor and a larger hard disk should be used.
When selecting the client PC, although it can be worse than the server machine, the memory must be higher than the above requirements. In addition to the operating system, the machine also has to read and write data with the server.
The CPU and hard disk drive of the server bear the service requests of all clients on the network. The server requires a large amount of storage, which is much higher than the storage capacity of the client.
It is best to know the number of memory slots on the motherboard and the maximum amount of memory supported. Check how the storage that comes with the DCS server is configured. A single 64MB DIMM machine is easier to upgrade than a machine with a 16MB module plugged into four slots.
The server should preferably use memory that supports ECC memory. When ECC memory is used with a motherboard chipset that supports ECC, it can correct single bit memory errors and detect multi bit memory errors.
Hard disk drives are also important for servers. Computers connected to the network share server files. Hard disk drives should be durable, reliable and suitable for serving multiple users at the same time. Therefore, SCSI hard disk drive is more appropriate. SCSI drives have intelligence and fast speed. When using utrawidescsi, there is a very high data transfer rate from the drive to the system. No matter IDE hard disk drive or SCSI hard disk drive, RAID technology can be used to save data more safely and improve server quality. SCSI bus can connect multiple hard drives. One 9GB hard drive is not as efficient as nine 1GB SCSI hard drives.
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