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Old 01-05-2008, 03:42 AM   #1
arktik
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Registered: Feb 2007
Location: Montana, USA
Distribution: Cent 4 & 5
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Question Redundant Web Server


Hey all, I would like to setup a "slave" web server which will rsync with the "master". My question is how/where do I configure the redundancy so that queries go to the master unless the master is down?
I know I can setup an A record in the DNS but then can you set a priority value on an A or CNAME record?

Running on CentOS 5:
Bind 9.2
Apache 2.4

I appreciate the help.
 
Old 01-05-2008, 08:04 AM   #2
harry edwards
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Most simple approaches use a piece of software called heartbeat to control the clustering and drbd to synchronize your web files. There are some howtos around which show you how.

heartbeat howto

http://www.howtoforge.com/high_avail...artbeat_centos

drbdb howto

http://www.howtoforge.com/drbd-on-centos-4.5
 
Old 01-05-2008, 08:00 PM   #3
arktik
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Registered: Feb 2007
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Quote:
Originally Posted by harry edwards View Post
Most simple approaches use a piece of software called heartbeat to control the clustering and drbd to synchronize your web files. There are some howtos around which show you how.

heartbeat howto

http://www.howtoforge.com/high_avail...artbeat_centos
I REEEEEEEEALLY appreciate the info here and clustering is not something I considered.

DRBDB seem like it would create a lot of process or system load. Ensureing the data is "mirrored" is not really a major concern here. For this project I just need the systems web files and DB data synced like once a day. But for this reason what I was looking at doing may cause more problems with regards to the DBs?
I'm not trying to downplay the DRBDB idea, it just seems like it may be overkill for what I need. This secondary web server is doubling as a small email server as well.

Thank you very very much for the feedback.
Doyce
 
  


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