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Subject: RE: Are there any issues with removing the filer associated with the cluster name?
Date: Wed, 13 Dec 2006 13:50:36 -0800
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Thread-Topic: Are there any issues with removing the filer associated with the cluster name?
thread-index: Acce28xgHQMgNoCxR3We0fuA5NQPvAAACHRgAABdF5UAADAdYAAAPnVgAAAvYDUACB6asA==
From: "John Culp" <john.culp@onstor.com>
To: "Paul Hammer" <paul.hammer@onstor.com>,
	"Sandrine Boulanger" <sandrine.boulanger@onstor.com>,
	"Brian Baker" <brian.baker@onstor.com>,
	"Kevin Matthews" <kevin.matthews@onstor.com>,
	"dl-cstech" <dl-cstech@onstor.com>

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My only comment to this thread is let's figure this out ASAP since we
just sent out the EOL email to all of our Cheetah customers.  Having a
procedure on how to get them to Bobcats or Cougars is going to be
imperative.
=20

John Culp=20

System Engineer=20
940-239-7489 Office=20
972-523-4287 Cell=20
john.culp@onstor.com=20

=20

________________________________

From: Paul Hammer=20
Sent: Wednesday, December 13, 2006 11:55 AM
To: Sandrine Boulanger; Brian Baker; Kevin Matthews; dl-cstech
Subject: RE: Are there any issues with removing the filer associated
with the cluster name?


=20
I think we should meet and discuss our options (some one could
accelerate that by writing a straw man approach first) and come up with
an approach that we can test in QA before trying it on MD. This is also
a workflow that we will need to doucment and support in the feild.
=20
Thanks,
=20
-Paul

________________________________

From: Sandrine Boulanger
Sent: Wed 12/13/2006 9:53 AM
To: Brian Baker; Paul Hammer; Kevin Matthews; dl-cstech
Subject: RE: Are there any issues with removing the filer associated
with the cluster name?



I think that's the only option. Instead of rsync we could also connect
both clusters so that they see the same storage and we could import the
volumes. That still implies reconfiguring the new cluster. You could use
the share export/import to preserve the shares for all vsvrs and restore
them on the new Bobcat cluster once the vsvrs are re-created.

=20

________________________________

From: Brian Baker=20
Sent: Wednesday, December 13, 2006 9:49 AM
To: Paul Hammer; Sandrine Boulanger; Kevin Matthews; dl-cstech
Subject: RE: Are there any issues with removing the filer associated
with the cluster name?

=20

Paul, Sandrine

Would a viable solution be to create a new cluster on the Bobcats, rsync
all data to our dot-hill SAS and SATA storage and then re-ip the
Cheetahs? We only have 5 or so virtual servers so it seems to me that
creating a replica of our Cheetah cluster would take little work. We
would need a few hours on a Sunday to stop all connections to the
mightydog cluster, complete a final rsync and re-ip,  the new cluster
and vsvr's to the old.=20

The burden of moving the data is something that we are going to have to
do in any case.

=20

Brian

=20

From: Paul Hammer=20
Sent: Wednesday, December 13, 2006 9:38 AM
To: Sandrine Boulanger; Kevin Matthews; dl-cstech
Cc: Brian Baker
Subject: RE: Are there any issues with removing the filer associated
with the cluster name?

=20

Should we meet and discuss an approach.

=20

________________________________

From: Sandrine Boulanger
Sent: Wed 12/13/2006 9:32 AM
To: Kevin Matthews; dl-cstech
Cc: Brian Baker
Subject: RE: Are there any issues with removing the filer associated
with the cluster name?

You cannot remove from the cluster the filer that has the same name as
the cluster name. And since the cluster name cannot be modified, we're
kind of blocked there. You would have to remove the other filer first,
then Dogfood becomes a single node. But even if you add some Bobcats to
the cluster, you will not be able to remove the Dogfood cheetah since it
is the cluster name. We don't have any procedure right now to replace
Cheetahs by Bobcats. You cannot just swap the flashes since the code is
different. We'll have to find out what procedure would work.

_____________________________________________
From: Kevin Matthews
Sent: Wednesday, December 13, 2006 9:26 AM
To: dl-cstech
Cc: Brian Baker
Subject: Are there any issues with removing the filer associated with
the cluster name?

All,

As we are going to be removing the two original Cheetahs from our
Mightydog cluster (named Dogfood). Our first cheetah node in the cluster
is named Dogfood. If it is removed, will there be any issues?

Kevin


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<DIV dir=3Dltr align=3Dleft><SPAN class=3D565484721-13122006><FONT =
face=3DArial=20
color=3D#0000ff size=3D2>My only comment to this thread is let's figure =
this out=20
ASAP since we just sent out the EOL email to all of our Cheetah =
customers.&nbsp;=20
Having a procedure on how to get them to Bobcats or Cougars is going to =
be=20
imperative.</FONT></SPAN></DIV>
<DIV>&nbsp;</DIV><!-- Converted from text/rtf format -->
<P align=3Dleft><SPAN lang=3Den-us><FONT face=3DArial size=3D2>John =
Culp</FONT></SPAN>=20
</P>
<P><SPAN lang=3Den-us><FONT face=3DArial size=3D2>System =
Engineer</FONT></SPAN>=20
<BR><SPAN lang=3Den-us><FONT face=3DArial size=3D2>940-239-7489 =
Office</FONT></SPAN>=20
<BR><SPAN lang=3Den-us><FONT face=3DArial size=3D2>972-523-4287 =
Cell</FONT></SPAN>=20
<BR><SPAN lang=3Den-us><FONT face=3DArial =
size=3D2>john.culp@onstor.com</FONT></SPAN>=20
</P>
<DIV>&nbsp;</DIV><BR>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
<FONT face=3DTahoma size=3D2><B>From:</B> Paul Hammer <BR><B>Sent:</B> =
Wednesday,=20
December 13, 2006 11:55 AM<BR><B>To:</B> Sandrine Boulanger; Brian =
Baker; Kevin=20
Matthews; dl-cstech<BR><B>Subject:</B> RE: Are there any issues with =
removing=20
the filer associated with the cluster name?<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV id=3DidOWAReplyText36105 dir=3Dltr>
<DIV dir=3Dltr><FONT face=3DArial color=3D#000000 =
size=3D2></FONT>&nbsp;</DIV></DIV>
<DIV dir=3Dltr>I think we should meet and discuss our options (some one =
could=20
accelerate that by writing a straw man approach first) and come up with =
an=20
approach that we can test in QA before trying it on MD. This is also a =
workflow=20
that we will need to doucment and support in the feild.</DIV>
<DIV dir=3Dltr>&nbsp;</DIV>
<DIV dir=3Dltr>Thanks,</DIV>
<DIV dir=3Dltr>&nbsp;</DIV>
<DIV dir=3Dltr>-Paul<BR></DIV>
<DIV dir=3Dltr>
<HR tabIndex=3D-1>
</DIV>
<DIV dir=3Dltr><FONT face=3DTahoma size=3D2><B>From:</B> Sandrine=20
Boulanger<BR><B>Sent:</B> Wed 12/13/2006 9:53 AM<BR><B>To:</B> Brian =
Baker; Paul=20
Hammer; Kevin Matthews; dl-cstech<BR><B>Subject:</B> RE: Are there any =
issues=20
with removing the filer associated with the cluster =
name?<BR></FONT><BR></DIV>
<DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I think =
that&#8217;s the only=20
option. Instead of rsync we could also connect both clusters so that =
they see=20
the same storage and we could import the volumes. That still implies=20
reconfiguring the new cluster. You could use the share export/import to =
preserve=20
the shares for all vsvrs and restore them on the new Bobcat cluster once =
the=20
vsvrs are re-created.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>
<DIV>
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =

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<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>
</SPAN></FONT></DIV>
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT=20
face=3DTahoma size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma"> Brian=20
Baker <BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> =
Wednesday,=20
December 13, 2006 9:49 AM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">To:</SPAN></B>=20
Paul Hammer; Sandrine Boulanger; Kevin Matthews; dl-cstech<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: Are there any issues =
with=20
removing the filer associated with the cluster =
name?</SPAN></FONT></P></DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
<P class=3DMsoNormal><FONT face=3DCalibri color=3D#1f497d size=3D2><SPAN =

style=3D"FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: Calibri">Paul,=20
Sandrine</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DCalibri color=3D#1f497d size=3D2><SPAN =

style=3D"FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: Calibri">Would a =
viable=20
solution be to create a new cluster on the Bobcats, rsync all data to =
our=20
dot-hill SAS and SATA storage and then re-ip the Cheetahs? We only have =
5 or so=20
virtual servers so it seems to me that creating a replica of our Cheetah =
cluster=20
would take little work. We would need a few hours on a Sunday to stop =
all=20
connections to the mightydog cluster, complete a final rsync and re-ip,=20
&nbsp;the new cluster and vsvr&#8217;s to the old. </SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DCalibri color=3D#1f497d size=3D2><SPAN =

style=3D"FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: Calibri">The =
burden of=20
moving the data is something that we are going to have to do in any=20
case.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DCalibri color=3D#1f497d size=3D2><SPAN =

style=3D"FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: =
Calibri"></SPAN></FONT>&nbsp;</P>
<P class=3DMsoNormal><FONT face=3DCalibri color=3D#1f497d size=3D2><SPAN =

style=3D"FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: =
Calibri">Brian</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DCalibri color=3D#1f497d size=3D2><SPAN =

style=3D"FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: =
Calibri"></SPAN></FONT>&nbsp;</P>
<DIV>
<DIV=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
#b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: =
medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT=20
face=3DTahoma size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma"> Paul=20
Hammer <BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> =
Wednesday,=20
December 13, 2006 9:38 AM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">To:</SPAN></B>=20
Sandrine Boulanger; Kevin Matthews; dl-cstech<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> Brian Baker<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: Are there any issues =
with=20
removing the filer associated with the cluster=20
name?</SPAN></FONT></P></DIV></DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
<DIV id=3DidOWAReplyText94426>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial color=3Dblack size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Should we =
meet and=20
discuss an approach.</SPAN></FONT></P></DIV></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =

face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">
<HR align=3Dcenter width=3D"100%" SIZE=3D2>
</SPAN></FONT></DIV>
<P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt"><B><FONT =
face=3DTahoma size=3D2><SPAN=20
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT=20
face=3DTahoma size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma"> Sandrine=20
Boulanger<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Wed =
12/13/2006=20
9:32 AM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Kevin =
Matthews;=20
dl-cstech<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> Brian=20
Baker<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: =
Are there=20
any issues with removing the filer associated with the cluster=20
name?</SPAN></FONT></P></DIV>
<DIV>
<P><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">You cannot=20
remove</SPAN></FONT> <FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">from the=20
cluster</SPAN></FONT> <FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">the filer =
that has the=20
same name as the cluster name.</SPAN></FONT> <FONT face=3DArial =
color=3Dnavy=20
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">And since=20
the</SPAN></FONT> <FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">cluster name =
cannot be=20
modified, we&#8217;re kind of blocked there.</SPAN></FONT> <FONT =
face=3DArial color=3Dnavy=20
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">You would=20
have to remove the other filer first, then</SPAN></FONT> <FONT =
face=3DArial=20
color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dogfood</SPAN></FONT>=20
<FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">becomes a =
single=20
node.</SPAN></FONT> <FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">But even if =
you add=20
some Bobcats to the cluster, you will not be able to remove the Dogfood =
cheetah=20
since it is the cluster name. We don&#8217;t have any procedure right =
now to replace=20
Cheetahs by Bobcats. You cannot just swap the flashes since the code is=20
different. We&#8217;ll have to find out what procedure would =
work.</SPAN></FONT></P>
<P><FONT face=3D"Times New Roman" size=3D2><SPAN=20
style=3D"FONT-SIZE: =
10pt">_____________________________________________<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">From:</SPAN></B> Kevin Matthews<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, December 13, =
2006 9:26=20
AM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> =
dl-cstech<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> Brian Baker<BR><B><SPAN=20
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> Are there any issues =
with removing=20
the filer associated with the cluster name?</SPAN></FONT></P>
<P><FONT face=3DCalibri size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Calibri">All,</SPAN></FONT></P>
<P><FONT face=3DCalibri size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Calibri">As we are going to be =
removing the=20
two original Cheetahs from our Mightydog cluster (named Dogfood). Our =
first=20
cheetah node in the cluster is named Dogfood. If it is removed, will =
there be=20
any issues?</SPAN></FONT></P>
<P><FONT face=3DCalibri size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =
Calibri">Kevin</SPAN></FONT></P></DIV></DIV></DIV></BODY></HTML>

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