Mapa mental

Storage Technologies

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Contenido del mapa

Direct Attached Storage (DAS)
- Access
  - IDE
  - SATA
  - SCSI
  - SAS
- Utilized by
  - Desktop/laptop
  - Single, small server
- least expensive
- only local computer no shared
- limited HA
Storage Area Network (SAN)
- resides on its own network
  - SAN fabric
- subdivisions
  - logical unit numbers (LUNs)
    - each logical disk
- shared
- enable HA
- host bus adapter (HBA)
  - network card
  - allows device to communicate with SAN switch
  - unique World Wide Name (WWN)
- Fibre Channel (FC)
  - FC Switch
- appears as a disk for client
- LUN masking
  - at storage controller
  - access policies
  - more detailed security
  - which host can access the LUN
- Zoning
  - using FC switch
  - storage isolation to server
- Multipathing
  - multiple NICs
  - multiple HBAs
Network Attached Storage (NAS)
- TCP/IP network
- appears as file server to client
- iSCSI
- Universal Naming Convention addressable
Access Protocols
- Fibre Channel (FC)
  - up to 10 Gbps
- Fibre Channel Protocol
  - SCSI commands on FC
- Fibre Channel over Ethernet (FCoE)
- Ethernet
- IP
- Internet SCSI (iSCSI)
  - IP packets to transmit SCSI commands
  - Access remote disks as they were locally attached
Network Shares
- implemented using server message block (SMB)
- NFS in Linux

Descripción: Mapa Mental sobre Storage Technologies, creado por nixdorf el 25/09/2015.
Creado por: nixdorf
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