Re: HA distributed LDAP service
"Luis Claudio R. Goncalves" <[email protected]>
| Newsgroups | gmane.linux.redhat.piranha |
|---|---|
| Message-ID | <[email protected]> |
Hello! LDAP has its own replications mechanisms. I strongly believe that, if LDAP is the only service you want in HA, it'd be easier using the LDAP replication methods than any HA tool. Good design can avoid all (or almost all) the situation you described. Regards, Luis On Tue, Oct 01, 2002 at 10:23:02AM -0400, Jeff Bearer wrote: | This is kinda off topic, but this is the best place I can think of to | ask the question. | | I'm working on deploying an LDAP Authentication service for my company. | we have 10 separate offices, and our goal is if any of the offices get | isolated from the WAN to be able to still have login service. | | The simple solution to solve the network availability problem is to have | replicated login servers at each location. But if one of the servers | dies, the site will be without login service until it's repaired. So | now I'm trying to find a solution that has high network and system | availability. | | I've come up with this plan: | | Have a master login server that serves the requests for all the | locations. At each location have a backup server that listens for the | master's heartbeat. If there is a network outage where a site is | isolated from the network I want the backup server to acquire the IP | address of the master. | | The difficulties I see are: | | - If more than one office is on the same isolated network segment, to | have only 1 backup server try to be the master, and have the others | monitor the acting master. | | - When the network comes back together, to have all the acting master | relinquish the IP back to the master server. | | So what do you think, is it a good plan? If so, are there tools that can | handle it? | | Thanks for reading. | | -- | Jeff Bearer, RHCE | Webmaster, PittsburghLIVE.com | 2002 EPpy Award Winner, Best Newspaper Website | | | | _______________________________________________ | Piranha-list mailing list | [email protected] | https://listman.redhat.com/mailman/listinfo/piranha-list ---end quoted text--- -- [ Luis Claudio R. Goncalves [email protected] ] [ Msc has come!!!! - Conectiva HA Team - Gospel User - Linuxer - !Java ] [ Fault Tolerance - Real-Time - Distributed Systems - IECLB - IS 40:31 ] [ LateNite Programmer -- My Utmost for His Highest -- ]