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SAS? SCSI? ?? ??

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Title: Slide 1 Author: IBM_USER Last modified by: Choi Dong Joon Created Date: 3/10/2005 9:43:45 PM Document presentation format: – PowerPoint PPT presentation

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Tags: sas | scsi | automatic | meter | reading

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Title: SAS? SCSI? ?? ??


1
SAS? SCSI? ?? ??
  • SCSI?? SAS? ? ? ?? ??? ????

2
SCSI? ????
SCSI??? ?? ????? ??? SCSI??? 14??? ???? ??? ???
SCSI??? ??? ?? ?? ??? ? ?? ??? ??? ?? ??. ?? ???
? ?? ???? ? ?? ??.
3
SAS? ?? ??
2.4GBps
2.4GBps
2.4GBps
2.4GBps
2.4GBps
SCSI? ?? SAS? ?? ??? ?????? ??? ?? ?? ??? ??? ?
??. ?? SAS controller? ???? ????? ??? ??.
4
?????? ??? ?? ?? ? ???
  • ???? cabling
  • Controller? ??? HDD? ????? ??
  • ?? cable? ?? connector? ? ?? cable routing? ????
    ?
  • ? ???? cooling?? airflow? ????
  • ? ? throughput?? ??? ???? ????? ????
  • ? ?? SCSI?? ? ? scalability ? ? ?? performance?
    ??
  • - SCSI? ??? SAS? ? ?? ???? ??? ??.
  • - Ultra320 SCSI ??? ?? 320MBps
  • - SAS 8??? ????, ??? 2.4GBps? ???? ??? ??.
    8?? ?? ???
  • 19.2GBps? ???? ??? ??.
  • ? ?? ?? ??? ??? ????.
  • - SCSI ??? ?? 14? ??
  • - SAS ????? 4??? 72? ??? ?????? ????.
  • ??, x366/x460? 6?, x260? 12?? ????
    ????.

5
SAS ? ??? ????
  • Serial Attached SCSI (SAS) ??? ????? ?????? ????
    ???? ???? ?????.
  • ?? ????? SAS? SATA? ??? ??? ????.

SAS 3.5 System Backplane
SAS Drives
SATA Drives
6
SAS Advantage ??!!
7
SATA, SAS, FC ??
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