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I'm managing a dedicated server with more or less 400 domains and subdomains with different webs.
There are 400 mysql dbs more or less, and my system is a centOS 5, with plesk, project gamera in other server, ASL incorporated etc.
Since i put ASL , specially mod_security rules, my server uptime goes down, as the CPU consumption is higher ( It's normal, of course )
It's a dual core dual xeon ( 2 processors with 2 cores each one ), 1,6 and 2 GBS of RAM.
No huge webs are hosted, except 2 or 3.
My question is, in this environment how can I add more stability ? I know that a hardware replacement is the best choice but I have no time to make a general backup, report to clients.. etc etc.
Is there a way to make load balancing with a normal PLESK environment with mysql or apache ? Maybe with plesk expander and moving some domains to other machine will do the trick ?
The other question is if there's a way to make a "clone" machine, so if this machine goes down, another comes UP with same content, in plesk bases of course
thanks
I'm managing a dedicated server with more or less 400 domains and subdomains with different webs.
There are 400 mysql dbs more or less, and my system is a centOS 5, with plesk, project gamera in other server, ASL incorporated etc.
Since i put ASL , specially mod_security rules, my server uptime goes down, as the CPU consumption is higher ( It's normal, of course )
It's a dual core dual xeon ( 2 processors with 2 cores each one ), 1,6 and 2 GBS of RAM.
No huge webs are hosted, except 2 or 3.
My question is, in this environment how can I add more stability ? I know that a hardware replacement is the best choice but I have no time to make a general backup, report to clients.. etc etc.
Is there a way to make load balancing with a normal PLESK environment with mysql or apache ? Maybe with plesk expander and moving some domains to other machine will do the trick ?
The other question is if there's a way to make a "clone" machine, so if this machine goes down, another comes UP with same content, in plesk bases of course
thanks