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We use disk today to both hold primary images and as cache for tape
copies. Works just fine. We use it because we make mutiple copies of
all backups and have too many backups to do at night to allow everthing
to be twinned during the night. One caveat, remember when sizing your
solution that caching means you will be creating an additional image on
disk which will take additional time and increases the overall cost of
the backup operation.=20
-----Original Message-----
From: White, Steve [mailto:Steve.White AT pacificorp DOT com]=20
Sent: Friday, September 12, 2003 3:03 PM
To: 'Veritas-bu AT mailman.eng.auburn DOT edu'
Subject: [Veritas-bu] Information on Disk-Based Backups
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I'm interested in any "lessons learned" or other experiences
that anyone would care to share about implementing disk-based backup
solutions with NBU 4.5 (using Vault to make tape copies). We're about
to embark down this road with a new NetApp R150.
Thanks!
Steve White
CBS Enterprise 390/UNIX Systems
UNIX and Database Administration
825 N E Multnomah Ste 800
Portland, OR 97232
V: (503) 813-5906
F: (503) 813-6365
steve.white AT pacificorp DOT com=20
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<DIV><SPAN class=3D115563911-13092003><FONT face=3DArial color=3D#0000ff =
size=3D2>We use=20
disk today to both hold primary images and as cache for tape =
copies. Works=20
just fine. We use it because we make mutiple copies of all backups =
and=20
have too many backups to do at night to allow everthing to be twinned =
during the=20
night. One caveat, remember when sizing your solution that caching =
means=20
you will be creating an additional image on disk which will take =
additional time=20
and increases the overall cost of the backup=20
operation. </FONT></SPAN></DIV>
<BLOCKQUOTE dir=3Dltr 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> =
White, Steve=20
[mailto:Steve.White AT pacificorp DOT com] <BR><B>Sent:</B> Friday, September
=
12,=20
2003 3:03 PM<BR><B>To:</B>=20
'Veritas-bu AT mailman.eng.auburn DOT edu'<BR><B>Subject:</B> [Veritas-bu]=20
Information on Disk-Based Backups<BR><BR></FONT></DIV>
<P align=3Dleft><FONT face=3DTahoma>I</FONT><FONT =
face=3DTahoma>'</FONT><FONT=20
face=3DTahoma>m interested in any</FONT> <FONT =
face=3DTahoma>"</FONT><FONT=20
face=3DTahoma>lessons learned</FONT><FONT face=3DTahoma>"</FONT><FONT =
face=3DTahoma>=20
or other experiences that anyone</FONT> <FONT =
face=3DTahoma>would</FONT><FONT=20
face=3DTahoma></FONT> <FONT face=3DTahoma>care to share about</FONT> =
<FONT=20
face=3DTahoma>implementing disk-based backup solutions with NBU 4.5 =
(using Vault=20
to make tape copies)</FONT><FONT face=3DTahoma>. We</FONT><FONT=20
face=3DTahoma>'</FONT><FONT face=3DTahoma>re about to embark down this =
road with a=20
new NetApp R150.</FONT></P>
<P align=3Dleft><FONT face=3DTahoma>Thanks!</FONT></P>
<P align=3Dleft><A name=3D_MailAutoSig><FONT face=3DArial =
size=3D2>Steve=20
White</FONT></A><BR><FONT face=3DArial size=3D2>CBS Enterprise =
390/UNIX=20
Systems</FONT><BR><FONT face=3DArial size=3D2>UNIX and Database=20
Administration</FONT><BR><FONT face=3DArial size=3D2>825 N E Multnomah =
Ste=20
800</FONT><BR><FONT face=3DArial size=3D2>Portland, OR =
97232</FONT><BR><FONT=20
face=3DArial size=3D2>V: (503) 813-5906</FONT><BR><FONT face=3DArial =
size=3D2>F: (503)=20
813-6365</FONT><BR><FONT face=3DArial =
size=3D2>steve.white AT pacificorp DOT com</FONT>=20
</P>
<P align=3Dleft></P>
=
<P>----------------------------------------------------------------------=
--------<BR><BR>This=20
email is confidential and may be legally privileged.<BR><BR>It is =
intended=20
solely for the addressee. Access to this email by anyone else, unless=20
expressly approved by the sender or an authorized addressee, is=20
unauthorized.<BR><BR>If you are not the intended recipient, any =
disclosure,=20
copying, distribution or any action omitted or taken in reliance on =
it, is=20
prohibited and may be unlawful. If you believe that you have received =
this=20
email in error, please contact the sender, delete this e-mail and =
destroy all=20
=
copies.<BR><BR>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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