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Re: [Áú¹®] cdd ¸¦ ÀÌ¿ëÇÑ Disk Striping?



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>>>>> "SY" == SungGON Yi <skon@kr.FreeBSD.ORG> writes:

    SY> "Heo, Jin Young" wrote:
    >  
    >  ¹®¼­¸¦ Àд٠º¸´Ï cdd¸¦ ÀÌ¿ëÇÑ Disk Striping À̶ó´Â °ÍÀÌ Àִµ¥
    >  À̰ÍÀÌ ¿©·¯°³ÀÇ ¶È°°Àº Çϵåµð½ºÅ©¸¦ »ç¿ëÇϴµ¥ À־ IO ºÐ»êÀ»
    >  À§Çؼ­¸¸ »ç¿ëÇÏ´Â ¹æ¹ýÀÎÁö ±Ã±ÝÇÕ´Ï´Ù.
    >  
    >  ¿¹¸¦ µé¸é 10GB 3°³¸¦ ºÙ¿©¼­ ±×³É 10GB¸¦ ºÐ»êÇØ¼­ accessÇÒ ¼ö
    >  ÀÖ´Ù´Â °ÍÀÎÁö ¾Æ´Ï¸é RAIDó·³ 10GB 3°³¸¦ °¡Áö°í 30GB ÀÇ ³í¸®Àû
    >  µð¹ÙÀ̽º·Î ÀνÄÀ» ÇÏ´Â °ÍÀÎÁö¿ä?
    >  
    >  ¾Æ½Ã´Â ºÐÀº ´äº¯À» ºÎʵ右´Ï´Ù. °¨»çÇÕ´Ï´Ù.
    >  
    SY> ccd´Â RAID0¿Í RAID1À» Áö¿øÇÕ´Ï´Ù.
    SY> 10GB 3°³¸¦ ccd RAID0¸ðµå·Î Çϸé (sprite) 30GBÂ¥¸®°¡ ¸¸µé¾îÁö´Â °Å°í
    SY> 10GB 4°³¸¦ ccd RAID1¸ðµå·Î Çϸé (mirror) (¦¼ö°³¿©¾ß ÇÕ´Ï´Ù.)
    SY> 20GB°¡ ¸¸µé¾îÁý´Ï´Ù.

stripe...

    SY> sprite¸ðµå´Â ÀÐ°í ¾²±â¿¡¼­ ¸¹Àº Çâ»ó(SCSI¿¡ °æ¿ì)À» °¡Á®¿Ã ¼ö°¡ ÀÖÁö¸¸
    SY> ¾ÈÀü»ó¿¡ ´ëÇÑ º¸ÀåÀÌ ¾ø°í (Çϵå Çϳª°¡ Á×À¸¸é ±× ³í¸® µð¹ÙÀ̽º´Â
    SY> º¹±¸ÇÒ ¼ö°¡ ¾ø´Â °ÅÁÒ) mirror¸ðµå´Â ¾²±â¿¡¼­´Â ´À·ÁÁö³ª Àб⿡¼­´Â
    SY> »¡¶óÁý´Ï´Ù. ±×¸®°í, Áß¿äÇÑ Á¡À¸·Ð ¾ÈÀü¿¡ ´ëÇÑ º¸ÀåÀÌ »ó´çÈ÷ È®½ÇÇÏ´Ù´Â
    SY> ÀåÁ¡ÀÌ ÀÖÁö¸¸, ¿ë·®ÀÌ ¹ÝÀ¸·Î ÁÖ´Ï µ·ÀÌ ¾Æ±î¿ï ¼ö°¡ ÀÖÁÒ... :)

    SY> ºñ½ÁÇÑ °ÍÀ¸·Î vinumÀ̶ó´Â ³ðÀÌ ÀÖ½À´Ï´Ù.
    SY> À̳ðÀº RAID0 RAID1¿Ü¿¡ RAID5¸¦ Áö¿øÇÕ´Ï´Ù. RAID5´Â 0, 1ÀÇ ÀåÁ¡À»
    SY> Àß ¿ëÇÕ½ÃŲ °ÍÀÔ´Ï´Ù. vinumÀÌ ÈξÀ ¿ëÅ뼺ÀÌ ¸¹À¸´Ï À̰É
    SY> ¾²½Ã´Â °ÍÀÌ ÁÁÀ¸¸®¶ó º¾´Ï´Ù.

3.x ´ë¿¡ ¿Í¼­ ccd´Â °ÅÀÇ ¹ö·È½À´Ï´Ù. ¹«Á¶°Ç vinumÀ» ¾²¼¼¿ä. ÀúÀÚÀÎ
Greg LeheyÀÇ »çÀÌÆ®¿¡ ÀÚ¼¼ÇÑ ¾È³»¹®ÀÌ ÀÖ½À´Ï´Ù. ¾Æ´Ï¸é Áö³­ FreeBSDCon
'99ÀÇ ¹ßÇ¥ÀڷḦ Âü°íÇϽñæ...

  http://www.lemis.com/vinum/

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 +++ Any opinions in this posting are my own and not those of my employers +++
 CHOI, Junho <mailto:cjh@kr.freebsd.org> <http://www.kr.freebsd.org/~cjh>
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