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Old 01-06-2006, 04:59 PM   #1
walterbyrd
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Redundant Servers: where do I start?


Just looking for somebody to point me in the right direction.

I am putting together a small intranet. I have two servers, which have very light use. I would like for the two servers to be synced with one another. I mean certain directories should have the same data files. I have mysql databases on both systems, I would like those to stay synced as well. If I shut down one server, I want the other to pick up as if nothing happend.

Nothing critical, or urgent, here.
 
Old 01-06-2006, 05:28 PM   #2
gilead
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If you're talking about just keeping the 2 systems in sync and it sounds like you are (ie not providing failover or load balancing), then rsync may do the job for you. There's a tutorial at http://linux.about.com/library/cmd/blcmdl1_rsync.htm which may be helpful.

From that site:
Quote:

Some of the additional features of rsync are:
- support for copying links, devices, owners, groups and permissions
- exclude and exclude-from options similar to GNU tar
- a CVS exclude mode for ignoring the same files that CVS would ignore
- can use any transparent remote shell, including rsh or ssh
- does not require root privileges
- pipelining of file transfers to minimize latency costs
- support for anonymous or authenticated rsync servers (ideal for mirroring)
 
Old 02-20-2006, 07:41 AM   #3
walterbyrd
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Thank you. I am using rsync, and it works well.

Only one problem, it always prompts for a password. I have tried to get around this by creating a file with the password, and using the --password-file option, but that doesn't work either.
 
  


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