: Thursday 11 November 2004 02:03
To: Tomcat Users List
Subject: Re: Multi-Site Clustering? (hot failover)
if you have two TC instances running at two different IP
addresses and they are both up,
just put in DNS loadbalancing (ie, configure DNS to have both
IP addresses in the A records
-
From: Steve Kirk [EMAIL PROTECTED]
To: 'Tomcat Users List' [EMAIL PROTECTED];
'Peter Lin' [EMAIL PROTECTED]
Sent: Wednesday, November 10, 2004 7:57 PM
Subject: RE: Multi-Site Clustering? (hot failover)
Thanks, interesting. But I think we're talking at crossed
purposes. I'm
the servers at the failed location.
-Original Message-
From: Peter Lin [mailto:[EMAIL PROTECTED]
Sent: Thursday 11 November 2004 13:12
To: Tomcat Users List
Subject: Re: Multi-Site Clustering? (hot failover)
the kind of setup I've seen is to handle it with a load balancing
router
I've considered something like this in the past. However, I'd be interested
to know how you plan to have the failover website at the second take over
when the first website dies. In other words, how will a user's browser know
to access the website at the failover IP address rather than the
You need your fail over to be higher up in your network stack
Filip
- Original Message -
From: Steve Kirk [EMAIL PROTECTED]
To: 'Tomcat Users List' [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Wednesday, November 10, 2004 9:35 AM
Subject: RE: Multi-Site Clustering? (hot failover)
I've
? (hot failover)
You need your fail over to be higher up in your network stack
Filip
- Original Message -
From: Steve Kirk [EMAIL PROTECTED]
To: 'Tomcat Users List' [EMAIL PROTECTED];
[EMAIL PROTECTED]
Sent: Wednesday, November 10, 2004 9:35 AM
Subject: RE: Multi-Site Clustering
: Wednesday, November 10, 2004 12:39 PM
Subject: RE: Multi-Site Clustering? (hot failover)
thanks for replying, but can you be a bit more specific please? I'm stll
not understanding how this can be done.
-Original Message-
From: Filip Hanik - Dev [mailto:[EMAIL PROTECTED]
Sent
normally ISP will offer multi-site load balancing using DNS. In terms
of failover, it generally handled the same way. If an earthquake
swallows the first location, the second site's DNS will pick and route
the traffic to the second cluster.
I would talk to your service provider. the smaller shops
, November 10, 2004 1:08 PM
Subject: Re: Multi-Site Clustering? (hot failover)
normally ISP will offer multi-site load balancing using DNS. In terms
of failover, it generally handled the same way. If an earthquake
swallows the first location, the second site's DNS will pick and route
the traffic
To: Tomcat Users List; Peter Lin
Subject: Re: Multi-Site Clustering? (hot failover)
which might also give you the idea, if you control your own
DNS, you could manually switch it over to a new set of IP
addresses when
your old data center blows up.
Filip
- Original Message
PROTECTED]
Sent: Wednesday, November 10, 2004 1:08 PM
Subject: Re: Multi-Site Clustering? (hot failover)
normally ISP will offer multi-site load balancing using DNS. In terms
of failover, it generally handled the same way. If an earthquake
swallows the first location, the second site's DNS
that this used
to be a problem, I'm not sure how much it is these days.
-Original Message-
From: Peter Lin [mailto:[EMAIL PROTECTED]
Sent: Wednesday 10 November 2004 23:50
To: Tomcat Users List
Subject: Re: Multi-Site Clustering? (hot failover)
I would check the service level agreement
]
To: 'Tomcat Users List' [EMAIL PROTECTED]; 'Peter Lin'
[EMAIL PROTECTED]
Sent: Wednesday, November 10, 2004 7:57 PM
Subject: RE: Multi-Site Clustering? (hot failover)
Thanks, interesting. But I think we're talking at crossed purposes. I'm
not proposing running my own DNS, and I don't have
Hi Steve,
I presume you are thing something like this:
http://dev.mysql.com/doc/mysql/en/Replication.html
: -Original Message-
: From: Steven J.Owens [mailto:[EMAIL PROTECTED]
: Sent: Wednesday, 10 November 2004 2:55 p.m.
: To: [EMAIL PROTECTED]
: Subject: Multi-Site Clustering? (hot
the clients...
: -Original Message-
: From: Craig Collings [mailto:[EMAIL PROTECTED]
: Sent: Wednesday, 10 November 2004 3:00 p.m.
: To: 'Tomcat Users List'
: Subject: RE: Multi-Site Clustering? (hot failover)
:
:
: Hi Steve,
:
: I presume you are thing something like this:
: http
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