Re: And diseases of the blood!
- From: "Walter Ellena" <WalterEllena@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 2 Jan 2006 12:30:02 -0800
So, basically. If that shared storage goes bye bye, then we are cooked,
done. . . the baby gets tossed out with the bathwater?
I know its lame. . . admittedly, I mean. Let me explain. I have heard of
clusters, for a mission critical organization, where the core of any cluster
(that is to say, where the data is being stored), may be in a single location.
This is a bit scary, to me, as in the back of my mind, like all of us, I
sometimes try to put myself in the white shoes and White Hat mentality. . .
could'nt I just knock out one of those storage locations.
Its not a lot to think about, but think of the size of the information
sitting in one place. Would it not be better to have data raid clustering
accross the domain instead, or the forest, or the .net framework, or what
have you?
These are just the thoughts of somebody who has been exposed to String
theories and Clustering within the same pot of coffee.
Walt
-------------------------------------
"Ryan Sokolowski [MVP]" wrote:
> No shared storage = no cluster.
>
> --
> Ryan Sokolowski
> MVP - Windows Server - Clustering
> MCSE, CCNA, CCDA, BCFP
>
> "A troubleshooter's best tool is the Event Viewer and understanding the
> events and messages contained therein."
>
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
> "Walter Ellena" <WalterEllena@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:8A111FAB-199F-472F-84B5-78D8754D8707@xxxxxxxxxxxxxxxx
> > Yes,
> >
> > I see. . . great analogy. But my fundamental question is, what happens if
> > the blood storage container gets a flat?
> >
> > Its a rudimenatary question, and more than likely asked and answered, but
> > since I don't know the answer, I may as well ask it.
> >
> > Walt
> > --
> > The dumbest question is the one that is never asked.
> >
> > -Walt ellena-
> >
> >
> > "Ryan Sokolowski [MVP]" wrote:
> >
> >> Yes, it IS cool...
> >>
> >> As for the shared storage, think of this as the blood of the cluster.
> >> The
> >> heartbeat network is the nervous system, MSCS is the brains of the
> >> operation
> >> and the Fibre Channel or SCSI (or iSCSI) network is the circulatory
> >> system
> >> for the blood.
> >>
> >> "The Blood is the Life... " :)
> >>
> >> --
> >> Ryan Sokolowski
> >> MVP - Windows Server - Clustering
> >> MCSE, CCNA, CCDA, BCFP
> >>
> >> "A troubleshooter's best tool is the Event Viewer and understanding the
> >> events and messages contained therein."
> >>
> >> This posting is provided "AS IS" with no warranties, and confers no
> >> rights.
> >>
> >> "Walter Ellena" <WalterEllena@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> >> news:AF45DF54-70C6-4452-A742-03C88487D3A7@xxxxxxxxxxxxxxxx
> >> > Dear Ryan,
> >> >
> >> > I actually cannot believe that I actually get paid to do this! This is
> >> > cool.
> >> >
> >> > Walt
> >> > --
> >> > The dumbest question is the one that is never asked.
> >> >
> >> > -Walt ellena-
> >> >
> >> >
> >> > "Ryan Sokolowski [MVP]" wrote:
> >> >
> >> >> Well, you do need shared storage between the two physical servers, so
> >> >> perhaps the simplest thing to do is to experiment with your clustering
> >> >> within Virtual Server, using Guest OSes as Nodes.
> >> >>
> >> >> Here's a great link that explains EXACTLY how to do this...
> >> >>
> >> >> Using Microsoft Virtual Server 2005 to Create and Configure a Two-Node
> >> >> Microsoft Windows Server 2003 Cluster
> >> >> http://www.microsoft.com/technet/prodtechnol/virtualserver/deploy/cvs2005.mspx
> >> >>
> >> >> Have fun!
> >> >>
> >> >> --
> >> >> Ryan Sokolowski
> >> >> MVP - Windows Server - Clustering
> >> >> MCSE, CCNA, CCDA, BCFP
> >> >>
> >> >> "A troubleshooter's best tool is the Event Viewer and understanding
> >> >> the
> >> >> events and messages contained therein."
> >> >>
> >> >> This posting is provided "AS IS" with no warranties, and confers no
> >> >> rights.
> >> >>
> >> >> "Walter Ellena" <WalterEllena@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> >> >> message
> >> >> news:DE0A1929-4E45-4740-B07D-433EA1A07F95@xxxxxxxxxxxxxxxx
> >> >> > Dear Colleagues,
> >> >> >
> >> >> > Being totally new to clustering all I want for Xmas is my two front
> >> >> > teeth.
> >> >> >
> >> >> > Actually, my question is quite simple. Is there a way to simply
> >> >> > take
> >> >> > two
> >> >> > P3
> >> >> > boxes, slap two network cards in each and get a very, very simple
> >> >> > cluster
> >> >> > up
> >> >> > and running. I have not been able to fnd a rudimentary lab guide
> >> >> > for
> >> >> > this
> >> >> > purpose and see a lot about having to dedicate a SCSI or Fiber
> >> >> > Channel
> >> >> > device.
> >> >> >
> >> >> > I just want to set up a super simple cluster of two machines,
> >> >> > perhaps a
> >> >> > bit
> >> >> > more then simply start turning power off, etc.
> >> >> >
> >> >> > Any advise or links will be rewarded with sincere thanks,
> >> >> >
> >> >> > Doc
> >> >> > --
> >> >> > The dumbest question is the one that is never asked.
> >> >> >
> >> >> > -Walt ellena-
> >> >>
> >> >>
> >> >>
> >>
> >>
> >>
>
>
>
.
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