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Storage Basics
2022-07-05 12:27:00 【yang881221】
1. The server : Tower servers ; Rack servers ; Blade servers
Tower servers : Generic category server , Appearance and ordinary desktop PC almost .
Rack servers : The appearance is designed by unified standards , Use with cabinet , Meet the requirements of enterprise server intensive deployment .
Blade servers : Insert multiple card server units into the standard height frame , It is a low-cost server platform with high availability density .
features | Tower | Rack | Blade type |
Use scenarios | It is mostly used for common services , Wide application , It can be suitable for speed applications and storage applications , High efficiency | A large enterprise , Put multiple sets together , Get mass storage and high performance | Large data centers or large-scale computing |
advantage | |||
shortcoming | Larger in volume , Take up a lot of space , Inconvenient management | Limited internal space , Scalability and heat dissipation are limited , The performance of single machine system is relatively limited | Heat dissipation |
Storage resources
Compact disc : Support long-term data storage , Support offline storage of massive data
Hard disk : Aluminum sheet or glass sheet is covered with magnetic material
Magnetic tape : Banded material containing magnetosphere
Tape library : Tape based backup system
disk array : Multiple disks are combined into a large capacity disk group
I/O Path access : The channel through which instructions and data are transmitted in the storage system
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