Re: Request for information

Thanks for that!

You have given me lots to read and think about!

;)

"Robert Smit" <Robert.smit-nospam-aca-computers.nl> wrote in message
news:exKOImteJHA.5428@xxxxxxxxxxxxxxxxxxxxxxx
Hi Roger,

Working with a partner is the best solution. but the basics are here.

Remember What is the Load on the applications, Developers are always
saying it runs on my laptop so no issues here, until it is production.

The IIS section I would do this in a web farm there are good papers on
this. But do this in a team with your web site developers not all sites
are best designed for NLB.
Two servers with 2 nic's ( LAN /NLB ) for the IIS , with a DFS for the
site so you need only to update the website in one location.
Two node Cluster for your mail and SQL. IF this is supported with
mailenable.
I think ISCSI is the most flexible solution, make a storage lan, public
and private lan all in different IP subnets !! use separate storage
switches and lan switches.

But check the sizing what is the primary load on this site the CPU/ Memory
is not the main issue here. The under dog is DISK IOPS !!
you can have a 64 core CPU 256 Gb memory but if you have a disk IO from
5000 and you have only a disk set from 10 disk the performance is really
bad but with 5000/130=40 disks it rocks.
So It is not only the hardware and software a cluster design /
infrastructure design is more the a pile of boxes but use x64 where you
can !

In case from the Email product --- not Exchange ;-(

On the mailenable site are nice items about clustering.

http://www.mailenable.com/kb/Content/Article.asp?ID=ME020023

If You must do IIS 6 here is some nice info
http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/70db50cf-5eb6-4c2e-b60b-f0b8f3fdb915.mspx?mfr=true

Clustering IIS 6.0 using Microsoft? cluster technology on HP BladeSystem
servers and HP StorageWorks EVA5000 SANs
http://h21007.www2.hp.com/portal/site/dspp/menuitem.863c3e4cbcdc3f3515b49c108973a801?ciid=cb08a31f05f02110a31f05f02110275d6e10RCRD

TechNet Support WebCast: How to cluster Microsoft SQL Server 2005 by using
Microsoft Virtual Server
http://support.microsoft.com/kb/891798


How to: Create a New SQL Server Failover Cluster (Setup)
http://msdn.microsoft.com/en-us/library/ms179530.aspx

How to Cluster SQL Server 2005
http://www.sql-server-performance.com/articles/clustering/cluster_sql_server_2005_p1.aspx

windows 2008 Info
http://www.microsoft.com/windowsserver2008/en/us/high-availability.aspx



So this is in basic my thing , if you need more info you can always ping
me.


--
Greetings,

Robert Smit
Blog : http://fiberman.spaces.live.com/


"Roger" <rogerdev@xxxxxxxxxx> schreef in bericht
news:up5AFxneJHA.3776@xxxxxxxxxxxxxxxxxxxxxxx
I have been asked to provide to my manager a document outlining what is
required to create failover clusters for our application servers using
Windows 2008.

In particular:

A web-server running multiple sites under IIS using dotnet (32 bit
currently)
A mail server
An SQL server

The purpose would be to provide fail-over redundancy to our systems so
that if the server in question failed, it's partner would take over. In
our wish list, this would all happen automatically and applications would
just work. Of course web DNS is done by IP, so whether that is actually
possible or not I do not know...

Can you point me to documents that outline the basics of the type of
hardware needed.

For example, I know that under win 2008 we require identical servers
using hardware components that are Certified for Windows server 2008. I
know that we need some type of SAN device. Beyond that I don't know how
it all goes together.

For example, since we are looking at 3 clusters of 2 nodes each, can they
share a SAN device between the 3 clusters (if it meets certain
criteria... and what would that be?) Is there a performance hit if the
SAN uses Gigabit Eth. or ISCSI (never used ISCSI not familiar with it).

I am not even sure what questions to ask at this point... so if there are
documents that explain this... enought that I can outline what type of
hardware (not brands but capabilities) I'd appreciate it.






.

Relevant Pages

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