[Veritas-bu] Netbackup & LTO performance
2002-05-29 08:17:25
Subject: |
[Veritas-bu] Netbackup & LTO performance |
From: |
imeirson AT mbi.co DOT il (Itzik Meirson) |
Date: |
Wed, 29 May 2002 15:17:25 +0300 |
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The rated native speed for LTO is 15MB/s (54GB/s).
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
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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/s).</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> <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 & =
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 & 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 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 & Regards</P>
<P> </P>
<P>Pravin Kudav</P>
<HR>
<FONT face=3DArial size=3D2><B>Get Your Private, Free E-mail from India=
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</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
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