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Datacenter power maintancence - Sequence of devices shutdown

Posted on 2010-08-25
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We are in the process of upgrading the power in one of datacenter and we are planning to take all the devices down before we touch the power.
We have categorized devices in to multiple layers as below.
Servers                        
Layer -1       Application level preparation (Stop feeds, Log shipping, role switch etc) & Applications/ DB and application level                   
Layer -2       Individual servers (application already shutdown \ servers with only OS shutdown and no apps shutdown required)                  
Layer -3      Clustered servers connected to SAN & Clusters                  
Layer -4      Storage & Backup                  
Layer -5      Name resolution servers Consoles & storage switches                  
Networks                        
Layer-6       Access switches & voice equipments                  
Layer-7      Server farm & Distribution switches                  
Layer-8      Core network layer components & Tier-0 Routers                  
Layer-9      Vendor devices Like MUX etc.      
            
I would like to get a template using which I can take care of flow (derived based on dependencies)  of the shutdown and ensure that everyone is following the flow properly. I can think of putting it in excel. But I am looking for workflow kind of page (Hosted in my intranet, where everyone will get authenticated with their login name) also everyone can see the flow and confirm (by click) once they are done with the shutdown of their servers.
By doing this I am ensuring that everybody follow the flow and they provide their confirmation in writing (in the webpage where the comment will be entered with their login name) before other proceed with rest of the servers.

Please help.

Thanks
Ram.
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Question by:moorthy_kulumani
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arnold earned 500 total points
ID: 33522316
You could try:
http://java-source.net/open-source/issue-trackers

What/How long is your outage window?

Presumably all your servers/equipment is on UPS as well as has more than one power supply.

The problem with a web/application tracker is that you would need to have a set of components independent of your current power scheme in place so that when one of the layers is brought down, it does not also bring down the tracking application.
I think setting this dependency tracking up, will require that each server is physically inspected to determine the source of its power. Once you eliminate the power issues, the application level dependency is unnecessary for your task since all the servers/devices should remain on during the power work.
Application level dependency is very useful in troubleshooting/resolving issues if something was missed i.e. miscategoried power connection on one server. i.e. even though it has two power supplies, both get their power from the same single source.
i.e. each plugged into a power strip, but no one check which circuit each power strip is on.


 

 
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