Re: Simple Informix Database HA on Solaris

From: aryzhov (aryzhov_at_my-deja.com)
Date: 10/02/03 

Date: 2 Oct 2003 01:11:56 -0700

byteway@hotmail.com (Sting) wrote in message news:<c926563e.0310011820.4ddab634@posting.google.com>...
> We have two Informix Dynamic Server 9.21 systems running on Solaris 9
> upon which a clustering database proposed. Though the content
> synchronization between seems easier to implement, the failover
> mechanism remains rather hard to choose.
>
> Sun offers Cluster 3.0 software purpose requiring shared diskraid and
> special software packages which I think a small project not need. Does
> anyone know certain alternatives would help to do VRRP like of HA?
> Say, two servers would be assigned into one active and one standby.
> Each database server with two NICs, a primary and a backup. The
> primaries are both bundled with the VIP but the standby server with
> the corresponding NIC disabled until the link to primary NIC on active
> server die out. Both use the backup NIC to monitor each other's
> health?

You certainly can implement such "hot standby" solution.
I used to install these "clusters" consisting of two symmetrical nodes
sharing the disk space; even the daisy-chained SCSI sort of works,
until one of two machines stays in "ok" prompt.

Sure, it's a cheap dirty hack, but it worked for me.

Here's a more detailed description:
  http://www.mysunrise.ch/users/aryzhov/Cluster.txt

Relevant Pages

  • Re: Simple Informix Database HA on Solaris
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