[Veritas-bu] Netbackup & LTO performance

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The rated native speed for LTO is 15MB/s (54GB/hr).
Anything higher that this is due to compressibility of your data.
Sales and marketing guys love to use the 2:1 compression ratio figures...
HTH,
    Itzik

        -----Original Message-----
        From: veritas oracle sun [mailto:vos2002 AT indiatimes DOT com]=20
        Sent: Wednesday, May 29, 2002 13:42
        To: NB
        Subject: [Veritas-bu] Netbackup & LTO performance
=09
=09

        Hi all

        Currently we are doing testing of HP Ultrium Drives=20

        We are using SAN env. to perform backup=20

        Netbackup is configured on Solaris 8 & NBU 3.4 Datacenter

        As per LTO specification 100GB/Hrs is minimum speed

        But I am getting on 67GB/HRS in SAN env.

        I did tunning Buffer Size Number of buffer and /etc/system shared 
memory=
 parameters

        but no improvement

        If any one achive above speed pls mail me configuration done @ your end

        Thanx & Regards

        =20

        Pravin Kudav

  _____ =20

        Get Your Private, Free E-mail from Indiatimes at 
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<DIV><SPAN class=3D503151712-29052002><FONT face=3DArial color=3D#0000ff =
size=3D2>The=20
rated native speed for LTO is 15MB/s (54GB/<SPAN=20
class=3D906255012-29052002>hr</SPAN>).</FONT></SPAN></DIV>
<DIV><SPAN class=3D503151712-29052002><FONT face=3DArial color=3D#0000ff=20
size=3D2>Anything higher that this is due to compressibility of your=20
data.</FONT></SPAN></DIV>
<DIV><SPAN class=3D503151712-29052002><FONT face=3DArial color=3D#0000ff =
size=3D2>Sales=20
and marketing guys love to use the 2:1 compression ratio=20
figures...</FONT></SPAN></DIV>
<DIV><SPAN class=3D503151712-29052002><FONT face=3DArial color=3D#0000ff=20
size=3D2>HTH,</FONT></SPAN></DIV>
<DIV><SPAN class=3D503151712-29052002>&nbsp;&nbsp;&nbsp; <FONT face=3DAri=
al=20
color=3D#0000ff size=3D2>Itzik</FONT></SPAN></DIV>
<BLOCKQUOTE style=3D"MARGIN-RIGHT: 0px">
  <DIV></DIV>
  <DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><=
FONT=20
  face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B> verit=
as oracle=20
  sun [mailto:vos2002 AT indiatimes DOT com] <BR><B>Sent:</B> Wednesday, May 
29,=
 2002=20
  13:42<BR><B>To:</B> NB<BR><B>Subject:</B> [Veritas-bu] Netbackup &amp; =
LTO=20
  performance<BR><BR></FONT></DIV>
  <P>Hi all</P>
  <P>Currently we are doing testing of HP Ultrium Drives </P>
  <P>We are using SAN env. to perform backup </P>
  <P>Netbackup is configured on Solaris 8 &amp; NBU 3.4 Datacenter</P>
  <P>As per LTO specification 100GB/Hrs is minimum speed</P>
  <P>But I am getting on 67GB/HRS in SAN env.</P>
  <P>I did tunning Buffer Size Number&nbsp;of buffer and /etc/system shar=
ed=20
  memory parameters</P>
  <P>but no improvement</P>
  <P>If any one achive above speed pls mail me configuration done @ your =
end</P>
  <P>Thanx &amp; Regards</P>
  <P>&nbsp;</P>
  <P>Pravin Kudav</P>
  <HR>
  <FONT face=3DArial size=3D2><B>Get Your Private, Free E-mail from India=
times at=20
  </FONT><A href=3D"http://email.indiatimes.com";><FONT face=3DArial=20
  size=3D2>http://email.indiatimes.com</FONT></A></B><BR>Buy Music, Video=
, CD-ROM,=20
  Audio-Books and Music Accessories from <A=20
  href=3D"http://www.planetm.co.in";>http://www.planetm.co.in</A>=20
</BLOCKQUOTE></BODY></HTML>
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