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Re: RAID5+

From: chao_ping <chao_ping_at_vip.163.com>
Date: Mon, 28 Oct 2002 20:38:23 -0800
Message-ID: <F001.004F5C41.20021028203823@fatcity.com>

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Brooks, Russ=A3=AC=C4=FA=BA=C3=A3=A1

=A1=A1=A1=A1Can you show us your whitepaper? Where did you get it?     

=3D=3D=3D=3D=3D=3D=3D=3D 2002-10-28 14:23:00 =C4=FA=D4=DA=C0=B4=D0=C5=D6=D0=D0=B4=B5=C0=A3=BA =3D=3D=3D=3D=3D=3D=3D=3D

Hi,
  I just got forwarded a whitepaper from Hitachi and Oracle, that=  compairs raid 5+ and raid 1 using the TPC-C benchmark test=  suite. The claim is that raid 5 is as fast or faster. While=  I'm waiting for a comparison or raid 5+ with raid 0+1, I thought=  I'd take a poll with the list. The benchmark is using the=  Hitachi 7700E.
  Has anyone heard other recommendations attributed to Oracle=  that are pushing raid 5+ as the configuraton for "unrivaled=  performance"? Has new disk technology changed the general=  conception that raid 0 or 0+1 provides better performance than=  other raid levels?  

Thanks,
Russ

=3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D 
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=D6=C2
=C0=F1=A3=A1

=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1chao_ping
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1chao_ping_at_vip.163.com =A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A12002-10-29

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<META content=3D"MSHTML 5.00.3315.2870" name=3DGENERATOR></HEAD>
<BODY bgColor=3D#eaeaea><FONT size=3D2><FONT face=3D=CB=CE=CC=E5>Brooks,=
 Russ=A3=AC=C4=FA=BA=C3=A3=A1</FONT> </FONT>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D=CB=CE=CC=E5 size=3D2>=A1=A1=A1=A1Can you show&nbsp;us your=
 whitepaper? Where did you
get it? </FONT></DIV>
<DIV><FONT face=3D=CB=CE=CC=E5 size=3D2>&nbsp;&nbsp;&nbsp; </FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D=CB=CE=CC=E5 size=3D2>=3D=3D=3D=3D=3D=3D=3D=3D=
 2002-10-28&nbsp;14:23:00&nbsp;=C4=FA=D4=DA=C0=B4=D0=C5=D6=D0=D0=B4=B5=C0=A3=BA =3D=3D=3D=3D=3D=3D=3D=3D</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=3D2>
<TABLE width=3D"100%">

  <TBODY>
  <TR>
    <TD width=3D"100%">

      <BLOCKQUOTE 
      style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px;=
 MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
        <DIV><SPAN class=3D791442421-28102002><FONT face=3DArial 
        size=3D2>Hi,</FONT></SPAN></DIV>
        <DIV><SPAN class=3D791442421-28102002><FONT face=3DArial=
 size=3D2>&nbsp; I 
        just got forwarded a whitepaper from Hitachi and Oracle,=
 that compairs 
        raid 5+ and raid 1 using the TPC-C benchmark test=
 suite.&nbsp; The claim 
        is that raid 5 is as fast or faster.&nbsp; While I'm=
 waiting for a 
        comparison or raid 5+ with raid 0+1, I thought I'd take a=
 poll with the 
        list.&nbsp;&nbsp;</FONT></SPAN><SPAN=
 class=3D791442421-28102002><FONT 
        face=3DArial size=3D2>The benchmark is using the Hitachi 
        7700E.</FONT></SPAN></DIV>
        <DIV><SPAN class=3D791442421-28102002><FONT face=3DArial=
 size=3D2>&nbsp; Has 
        anyone heard other recommendations attributed to Oracle=
 that are pushing 
        raid 5+ as the configuraton for "unrivaled=
 performance"?&nbsp; Has new 
        disk technology changed the general conception that raid=
 0 or 0+1 
        provides better performance than other raid=
 levels?</FONT></SPAN></DIV>
        <DIV><SPAN class=3D791442421-28102002><FONT face=3DArial 
        size=3D2></FONT></SPAN>&nbsp;</DIV>
        <DIV><SPAN class=3D791442421-28102002><FONT face=3DArial 
        size=3D2>Thanks,</FONT></SPAN></DIV>
        <DIV><SPAN class=3D791442421-28102002><FONT face=3DArial 
       =

 size=3D2>Russ</FONT></SPAN></DIV></BLOCKQUOTE></TD></TR></TBODY></= TABLE></FONT></DIV>
<DIV>
<P><FONT face=3D=CB=CE=CC=E5 size=3D2>=3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D=
 =3D =3D </FONT></P>
<P><FONT face=3D=CB=CE=CC=E5 size=3D2>=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=D6=C2<BR>=C0=F1=A3=A1</FONT></P>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D=CB=CE=CC=E5=

 size=3D2>=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1chao_ping</FONT></DIV>
<DIV><FONT face=3D=CB=CE=CC=E5 size=3D2><FONT face=3D=CB=CE=CC=E5=
 size=3D2>=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1</FONT><A href=3D"mailto:chao_ping_at_vip.163.com">chao_ping_at_vip.163.com</A></FO= NT></DIV>
<DIV><FONT face=3D=CB=CE=CC=E5=

 size=3D2>=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A12002-10-29</FONT></DIV>=

<DIV>&nbsp;</DIV></DIV></BODY></HTML>

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Author: chao_ping
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Received on Mon Oct 28 2002 - 22:38:23 CST

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