两个不同转速的硬盘组 RAID1，最终速度怎么算 - V2EX
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Nyanpasi
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两个不同转速的硬盘组 RAID1，最终速度怎么算

  •   
  •   Nyanpasi 2015-06-16 18:30:58 +08:00 7492 次点击
    这是一个创建于 3801 天前的主题，其中的信息可能已经有所发展或是发生改变。
    一个160G的西数迅猛龙万转盘和一个160G的希捷7200转组RAID1，转速快做数据，慢速做备份
  • raid1
  • 转速
  • 160g
    7 条回复    2015-06-17 10:26:52 +08:00
    octopus_new
        1
    octopus_new  
       2015-06-16 18:54:25 +08:00
    读操作性能会增加，写操作性能差的硬盘会成为瓶颈
    Halry
        2
    Halry  
       2015-06-16 18:59:23 +08:00 via Android
    最慢那个
    @octopus_new 读性能不会增加
    ryd994
        3
    ryd994  
       2015-06-16 20:45:02 +08:00 via Android
    @Halry 读应该会取决于最快的
    ryd994
        4
    ryd994  
       2015-06-16 20:45:42 +08:00 via Android
    @Halry raid卡好的话有接近raid0的读
    octopus_new
        5
    octopus_new  
       2015-06-16 21:59:46 +08:00
    @ryd994 Correct :)
    @Halry You need to read more...
    powergx
        6
    powergx  
       2015-06-16 22:04:18 +08:00 via iPhone
    读iops 增加
    Halry
        7
    Halry  
       2015-06-17 10:26:52 +08:00 via Android
    @ryd994 Sorry，旅游中码少字了导致误解，lz，不好意思让你误解了
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