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Re: [hobbit] Hobbit cluster and DRDB
- To: <hobbit (at) hswn.dk>
- Subject: Re: [hobbit] Hobbit cluster and DRDB
- From: "T.J. Yang" <tj_yang (at) hotmail.com>
- Date: Thu, 17 Aug 2006 17:27:37 -0500
- References: <44E4C624.3050700@holme-pedersen.dk>
Hi Brothers,
Just read an article in Linux Journal about using DRDB as a "cluster"
filesystem for a redundant installation of sendmail and mysql. This has
caused me to think that this could be a way forward as a cluster mecanism
for hobbit.
Yea, I read the article as well. I was attempting implement BB +DRBD
on RH Linux but the project stopped due to other priority.
During test phase I was able to simluate the outage of a webser server
on A to cause slave server (B) to shoot down A and take over its ip address
via private subnet in between etc ...
Currently I run a rdist job for this and then have a manual intervention
for starting up hobbit on the secondary node.
I know from when I last looked at DRDB that the IO performance as a
problem with BB but with Hobbit I am prety sure it should work.
I do remember the sync between two nodes was great but I didn't
really deploy bb on bother server so I don't now how it really run.
I am wondering if any of you have experienced with the
DRDB/heartbeat/hobbit and what your impressions are ?
I am less interested about BB+DRBD+RHLinux combination
for implementing system monitoring clustering. Instead, I am more
interested about Hobbit+Solaris 10+Sun Cluster software.
Sorry to hijack your subject into mine.
Sun Cluster software is now free for use( see R1)
R1: http://www.sun.com/software/cluster/
tj
Regards, Thomas
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