Promise Technology EX4650 Manual do Utilizador Página 181

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 232
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 180
Chapter 6: Technology Background
169
RAID 1E
Recommended Applications for RAID 1E
Imaging applications
Database servers
General fileserver
RAID 5
Recommended applications for RAID 5:
File and Application servers
WWW, E-mail, and News servers
Intranet servers
Advantages Disadvantages
Implemented as a mirrored logical
drive whose segments are RAID 0
logical drives
High I/O rates are achieved thanks to
multiple stripe segments
Can use an odd number of physical
drives
Very high physical drive overhead –
uses only 50% of total capacity
Advantages Disadvantages
High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Most versatile RAID level
Physical drive failure has a medium
impact on throughput
Vista de página 180
1 2 ... 176 177 178 179 180 181 182 183 184 185 186 ... 231 232

Comentários a estes Manuais

Sem comentários