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If you're maintaining more then a couple of linux machines, I highly
recommend setting up a cfengine server. Besides the fact that it greatly
helps with disaster recovery, it centralizes all of your configuration
changes for your servers. I personally maintain 60+ servers using
cfengine, and on the cfengine server, all of the configuration files for
those 60+ servers takes up 50MB (18MB when compressed). Then on the
servers themselves, I backup the "data" only (MySQL, email queues, etc.)
Without a cfengine server, I would end up wasting GIGs of backup space,
and a LOT of time jumping onto each machine to make a change. With
cfengine, I can make a change and it automatically gets sent out to
multiple machines without me having to do anything.
Don't get me wrong, setting up a cfengine server, does take time and
planning, but the benefits of it are 100% completely worth it! In the end
it saves a lot of time and money.
Just my personal experience, and opinion...
Craig
On Fri, 17 Aug 2007, Andrew Steele wrote:
> A quick question for those with a bit more experience with running
> Virtual Servers...
>
> Having got ours more or less doing what we want, we are now keen to
> backup the data we are holding.
>
> Clearly, if the VS was to become fairly full then it would be difficult
> to backup everything to the 4gb backup space we have available.
>
> So my question is this...
>
> What backup routines/protocols do others use or recommend to minimise the
> hassle should the VS crash and need to be restored from backup.
> Basically which directories do others recommend be backed up and by what
> means are most doing this to maximise the the benefits of the storage
> space available.
>
> We have a 20gb VS with 4gb backup space and will need to back up the SQL
> data at a minimum plus the optional stuff we've done to configure the
> server.
>
> Anyone have an experience to share?
>
> Andrew
>
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