You can attach a network disk device and have it fail over with the
active system and make
tomcat and mysql dependant of the disk resource. This is the simple
route. when dealing with
clusters you should keep the "KISS" approach in-mind.
Regards,
Bennie
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Maciej Bogucki wrote:
sajith napisał(a):
Hai all,
I am new to linux cluster. I want to set up a two node cluster using
rhcs. In my application I am using tomcat and mysql as database. My aim is
to configure both servers in active-passive configuration. I have tested the
failover of ip and process using conga. But I am stuck with the
configuration of mysql failover. I am confused with how to make the data
files redundant for mysql. If I am using nfs for data files the files are
not accessible if nfs server is down. How can I create an online back up of
my data files so that if my main server is down then also I can access my
data from the online backup? I don't have gfs and SAN storage. My data files
and application reside in same machine. Please help
Hello,
You can use drbd[1] to mirror block device via network. You also need
some automatic failover mechanism fe. RHCS or heratbeat[2].
[1] - http://www.drbd.org/
[2] - http://www.linux-ha.org/
Best Regards
Maciej Bogucki
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