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Subject: DFS replication
Date: Fri, 6 Jul 2007 05:14:40 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E046A86E0@onstor-exch02.onstor.net>
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Thread-Topic: DFS replication
Thread-Index: Ace/z5wqcIIrUXQaQcOJcLozX6qKmw==
From: "Steffen Thuemmel" <steffen.thuemmel@onstor.com>
To: "dl-se" <dl-se@onstor.com>,
	"dl-cstech" <dl-cstech@onstor.com>
Cc: "Narayan Venkat" <narayan.venkat@onstor.com>

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IHAC who is very much interested in our technology. He compared with =
NetApp and clearly see's our advantage.

=20

His environment is largely distributed, they maintain affiliates =
throughout the world. Some of the data is kept local, some has to be =
available globally. Globally available but locally accessible (r/w), =
because of bandwidth restriction to sites in Dubai or Shanghai for =
instance.

To achieve this, the customer uses DFS replication =
http://technet2.microsoft.com/windowsserver/en/library/8c4cf2e7-0b92-4643=
-acbd-abfa9f189d031033.mspx?mfr=3Dtrue

Although this tool has some limitations in terms of conflict resolution, =
it absolutely does it's job to the needs of the customer. He would like =
to consolidate the file services and get a more flexible and scalable =
infrastructure in the larger sites, but the DFS replication would be the =
killer.

=20

Now the questions:

=20

Could a vServer be part of the DFS replication ?=20

I would guess not because DFS replication uses some specific protocol to =
determine what files have changed, and also the RDC protocol to =
determine the changed parts of the file.

=20

If my guess is reality, are there alternatives known ?

=20

Thanks for your help.

=20

Mit freundlichen Gr=FC=DFen

Best regards

=20

st.

=20

Steffen Thuemmel=20

Manager Systems Engineering CE

=20

telf.      +49 6102 884 84-0

mobil.     +49 173 673 3434

mail.       steffen.thuemmel@onstor.com =
<mailto:steffen.thuemmel@onstor.com>=20

=20

ONStor GmbH

Schleussner Str. 42

D-63263 Neu-Isenburg

Germany

=20

HR-B: 42402 AG Offenbach am Main;=20

USt.-ID: DE 249 472 495

Gesch=E4ftsf=FChrer: Roland Voelskow

=20


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<div class=3DSection1>

<p class=3DMsoNormal><span lang=3DEN-US>IHAC who is very much interested =
in our technology.
He compared with NetApp and clearly see&#8217;s our =
advantage.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>His environment is largely =
distributed,
they maintain affiliates throughout the world. Some of the data is kept =
local,
some has to be available globally. Globally available but locally =
accessible
(r/w), because of bandwidth restriction to sites in Dubai or Shanghai =
for
instance.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>To achieve this, the customer =
uses DFS
replication <a
href=3D"http://technet2.microsoft.com/windowsserver/en/library/8c4cf2e7-0=
b92-4643-acbd-abfa9f189d031033.mspx?mfr=3Dtrue">http://technet2.microsoft=
.com/windowsserver/en/library/8c4cf2e7-0b92-4643-acbd-abfa9f189d031033.ms=
px?mfr=3Dtrue</a><o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>Although this tool has some =
limitations in
terms of conflict resolution, it absolutely does it&#8217;s job to the =
needs of
the customer. He would like to consolidate the file services and get a =
more
flexible and scalable infrastructure in the larger sites, but the DFS =
replication
would be the killer.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>Now the =
questions:<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>Could a vServer be part of the =
DFS
replication ? <o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>I would guess not because DFS =
replication
uses some specific protocol to determine what files have changed, and =
also the
RDC protocol to determine the changed parts of the =
file.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>If my guess is reality, are =
there
alternatives known ?<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>Thanks for your =
help.<o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:10.0pt'>Mit freundlichen =
Gr=FC=DFen<o:p></o:p></span></p>

<p class=3DMsoNormal><span style=3D'font-size:10.0pt'>Best =
regards<o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'font-size:12.0pt'>st.<o:p></o:p></span></p>

<p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt'><o:p>&nbsp;</o:p></span></b></p>

<p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt'>Steffen
Thuemmel </span></b><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:
"Times New Roman","serif"'><o:p></o:p></span></b></p>

<p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt'>Manager Systems
Engineering CE</span><span lang=3DEN-US =
style=3D'font-size:12.0pt'><o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'>telf.</span><=
/b><b><span
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;
</span></b><b><span lang=3DEN-US =
style=3D'font-size:7.5pt;font-family:"Tahoma","sans-serif"'>+49
6102 884 84-0</span></b><b><span lang=3DEN-US =
style=3D'font-size:8.0pt;font-family:
"Tahoma","sans-serif"'><o:p></o:p></span></b></p>

<p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'>mobil.
&nbsp;&nbsp;&nbsp; </span></b><b><span lang=3DEN-US =
style=3D'font-size:7.5pt;
font-family:"Tahoma","sans-serif"'>+49 173 673 =
3434<o:p></o:p></span></b></p>

<p class=3DMsoNormal><b><span lang=3DFR =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'>mail.&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;
<a href=3D"mailto:steffen.thuemmel@onstor.com"><span =
style=3D'color:blue'>steffen.thuemmel@onstor.com</span></a></span></b><sp=
an
lang=3DEN-US style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'><o:p></o:p></span></p>

<p class=3DMsoNormal><span lang=3DEN-US>&nbsp;</span><b><span lang=3DFR
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></=
span></b></p>

<p class=3DMsoNormal><b><span =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>ONStor GmbH<o:p></o:p></span></b></p>

<p class=3DMsoNormal><span =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Schleussner
Str. 42<o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'>D-63263
Neu-Isenburg<o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Germany</span=
><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'><o:p></o:p></span></p>

<p class=3DMsoNormal>&nbsp;<o:p></o:p></p>

<p class=3DMsoNormal><span =
style=3D'font-size:7.5pt;font-family:"Arial","sans-serif"'>HR-B:
42402 AG Offenbach am Main; <o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'font-size:7.5pt;font-family:"Arial","sans-serif"'>USt.-ID:
DE 249 472 495<o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'font-size:7.5pt;font-family:"Arial","sans-serif"'>Gesch=E4ftsf=FC=
hrer:
Roland Voelskow</span><span style=3D'font-size:12.0pt;font-family:"Times =
New Roman","serif"'><o:p></o:p></span></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

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