RHEL Cluster & RHEV
Le Wen
wenle at lenovo.com
Tue Nov 10 02:59:49 UTC 2009
Well, till now, no virtulization vendor can provide truly 0% downtime
product, even vmware's FT&DRS or Citrix's Xenmotion or MS's Live
migration, there will be nearly 1 or more seconds the client will lose
connection to the virtual server. From the migration's theory(memory
copy), we can know there won't be 0% downtime.
I haven't tested RHEV, but I've tested Redhat Xen live migration, there's
also a short pause, so I don't think the RHEV can provide 0% downtime
neither.
Rgds,
Winner
Wahyu Darmawan <Wahyu.Darmawan at ag-it.com>
Sent by: redhat-list-bounces at redhat.com
2009-11-10 10:45
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RE: RHEL Cluster & RHEV
Hi,
Does anyone can help me?
Thankyou.
Rgds,
-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of Wahyu Darmawan
Sent: Monday, November 09, 2009 3:27 PM
To: General Red Hat Linux discussion list
Subject: RHEL Cluster & RHEV
Hi all,
Need your info. Does RHEL Cluster can provide 0% of downtime, means I need
"zero downtime" cause my application needs to always available on any
condition, even 1 minutes off. Maybe you can give me some documentation?
And, could you please to tell me, how can I create RHEV to fail over
condition?
Thanks in advance for your help.
Rgds,
Wahyu
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