Question

Redundant Windows Services

Asked by: sumitamar

I am trying to create multiple windows services (two at this moment) which will work in redundant manner. i.e. One Service is performing the Normal Routine of work, and the other one is being notified of its status. Whenever the ongoing service goes down, the other service(may be located on different computer) starts up the Normal Routine. Similarly there can be around four such services. But first I am concerned about making two only.

So how can I make sure that if one service goes down, the other one is automatically invoked, is there a workaround using Sockets?

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Asked On
2002-10-27 at 20:49:32ID20383592
Tags

windows

,

socket

Topic

C# Programming Language

Participating Experts
3
Points
100
Comments
9

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Answers

 

by: PHYLPosted on 2002-10-28 at 08:05:42ID: 7378915

Why don't you use the build-in Service Recovery functions of the Win2k OS?

bye, Günter Prossliner PHYL

 

by: sumitamarPosted on 2002-10-29 at 02:07:32ID: 7382346

It is not a question of one service being stopped manully, but when the system goes down ?!?!

 

by: DanRollinsPosted on 2002-10-31 at 14:22:15ID: 7394274

>>So how can I make sure that if one service goes down, the other one is automatically invoked,

Establish communication between the two services (socket, namedpipes, whatever).  When the "normal" one stops sending an "I'm alive" signal, then the failover should kick in.

Also, PHYL has a point.  Win2K can be set to automatically restart a Service that has crashed.  That may solve part of the problem... Look into it.

-- Dan

 

by: sumitamarPosted on 2002-11-09 at 10:04:39ID: 7428778

Thanks people.

Anyway, I eventually had to do it using Sockets, which I did not want to do, BECAUSE::

1:: .NET provides interim methods to handle Inter-Service communication using OnCustomCommand (receiver) and ExecuteCommand(sender) methods. But when I used this approach

2:: The service takes massive amount of memory (about 12M) without having the main functionality in which I'll make it communicate with http using HttpWebRequest.


Sumit Amar
Oracle9i DBA
Sun Certified Java Programmer
Brainbench Certified for 149 tests (world rank 3)
worldwide rankings >> www.ob-d.com/bb.asp

 

by: sumitamarPosted on 2002-11-09 at 10:09:02ID: 7428786

... when i used this approach , the service would not start and if started , wouldn't stop. because the service command is processed before the start / stop of the peer service, it was such a headache

 

by: DanRollinsPosted on 2002-11-09 at 12:17:35ID: 7429074

Which approach did you use?  Do you need more suggestions, more information?
-- Dan

 

by: sumitamarPosted on 2003-10-29 at 14:19:47ID: 9646031

Thanks for all your comments. I had implemented this with Network Sockets.

regards
Sumit

 

by: gregoryyoungPosted on 2004-05-17 at 17:53:41ID: 11094320

No comment has been added to this question in more than 21 days, so it is now classified as abandoned..
I will leave the following recommendation for this question in the Cleanup topic area:
Split PHYL, DanRollins

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

Greg
EE Cleanup Volunteer

20120131-EE-VQP-002

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