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Re: High availability
Buchan Milne wrote:
On Tuesday 21 August 2007 08:57:07 Taymour A. El Erian wrote:
I want to make this more available, I have a DR site and I would like to
have an LDAP server running getting all the updates from the primary
site. This DR LDAP will be active in case the primary site is down and
will accept read/write operations.
In my company, DR means a disaster has struck, e.g. a building has been
destroyed. So, you typically don't:
1)Do a DR failover for any trivial reason
2)Do a DR failover automatically
So, just run a normal replica in the DR, and have a config file ready to be
able to "promote" it to a master. If you need slaves there too, just have
them replicate of the "DR master", so you have less config changes to do in
the case of a real disaster.
Well, maybe I am not explaining correctly, we have a problem in the main
site which could cause it to be unreachable for a couple of hours or so
and in this event I want everything to run on the backup site. In case
the main site is down, I need the backup to take over and even for
writes and updates.
Taymour A El Erian
System Division Manager
RHCE, LPIC, CCNA, MCSE, CNA