Solved

Common Address Redundancy Protocol

Posted on 2007-03-30
9
607 Views
Last Modified: 2008-03-24
Has anyone here used carp from openbsd before. I just read up on the protocol and was trying to understand it. 1) Is it included with redhat? 2) is it really hard to configure? 3) where can I download it at? 4) i wanted to use it to make two zimbra servers redundant - do you think this would work?

0
Comment
Question by:pauly10477
9 Comments
 
LVL 27

Expert Comment

by:Nopius
ID: 18840876
I don't know about CARP for Linux. Probably it doesn't support it. CARP is a free alternative of Cisco's VRRP on OpenBSD. At the same time Linux has support of HSRP, that is also a free alternative to VRRP.
You may use it there.
As I see in product chart for Zimbra: http://www.zimbra.com/products/product_editions.html
All editions except open source supports HA clustering. Without this support even with redundant (roaming) IP address you will have a lot of troubles in area of synchronization and common storage between nodes. It's probably better to ask zimpbra support how do they provide redundancy and buy appropriate edition if you are saticfied with their answer. I didn't find any documentation about clustering on Zimbra docs page.
0
 
LVL 27

Expert Comment

by:Nopius
ID: 18841025
Also you may take a look to these pages, related to your problem (how Linux may be used for redundancy):
http://www.linux-vs.org/
http://www.keepalived.org/
0
 
LVL 5

Expert Comment

by:MCode151
ID: 19079290
any adversion to using RHEL cluster suite?
(the perfered method by zimbra)
0
The Eight Noble Truths of Backup and Recovery

How can IT departments tackle the challenges of a Big Data world? This white paper provides a roadmap to success and helps companies ensure that all their data is safe and secure, no matter if it resides on-premise with physical or virtual machines or in the cloud.

 

Author Comment

by:pauly10477
ID: 19084331
i have the open source of zimbra running.
0
 
LVL 27

Expert Comment

by:Nopius
ID: 19090663
Then no clustering is available. Of course you may invent bicycle again, I mean add clustring support to opensource edition (when it's already there, in all other editions), but I'm sure that is not a recommended way...
0
 
LVL 16

Expert Comment

by:Hanno Schröder
ID: 21170067
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I will leave the following recommendation for this question in the Cleanup Zone:
ACCEPT Nopius's comment {http:#18840876} as answer

Any objections should be posted here in the next 4 days. After that time, the question will be closed.
JustUNIX, Experts Exchange Cleanup Volunteer
0
 
LVL 5

Accepted Solution

by:
MCode151 earned 500 total points
ID: 21171577
0
 
LVL 27

Expert Comment

by:Nopius
ID: 21184547
MCode151, hi.

I vote for your solution, it is really good to know :-)
0
 
LVL 1

Expert Comment

by:Computer101
ID: 21198263
Forced accept.

Computer101
EE Admin
0

Featured Post

Ransomware-A Revenue Bonanza for Service Providers

Ransomware – malware that gets on your customers’ computers, encrypts their data, and extorts a hefty ransom for the decryption keys – is a surging new threat.  The purpose of this eBook is to educate the reader about ransomware attacks.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Introduction We as admins face situation where we need to redirect websites to another. This may be required as a part of an upgrade keeping the old URL but website should be served from new URL. This document would brief you on different ways ca…
Fine Tune your automatic Updates for Ubuntu / Debian
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
Learn how to get help with Linux/Unix bash shell commands. Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.: Use man to search man pages for unknown command…

790 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question