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Topic Title: Comprehensive Business Continuity
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Created On: 09/29/2006 06:08 PM

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09/29/2006 06:08 PM
cbarclay Fellow Posts: 216 Joined: 04/28/2006	Virtual Iron software improves the resource efficiency of high availability solutions by allowing multiple "primary" servers to share a "secondary" server - significantly reducing the number of back-up servers needed. This is often referred to as "N+1 failover" which is defined as one shared secondary server for N primary servers. Virtual Iron also provides the LiveRecovery policy that automates virtual server recovery from physical hardware failures without the cost and complexity of clustering software. Virtual servers can be automatically restarted on new hardware when physical hardware fails, reducing outage duration and operational costs. Benefits: - Provide HA benefits across a greater range of enterprise applications - Rapidly restart virtual servers in minutes in case of hardware failure - Reduce cost of backup data centers by running older hardware and non-mission critical applications
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10/25/2006 03:06 PM
Jorke New User Posts: 4 Joined: 10/25/2006	cbarclay, about this automatic failover and restart. Does virtual iron support no-dataloss solution i.e. with mirrored san's running the data and smooth transitions therein? Or does this need to be handled in the application layer. Also if i would want to scale out, does virtual iron support this. say in stead of the processing power of one server i want to assign the processing power of two to one logical server. regards, Jorke ------------------------- IBM Certified Systems Expert – IBM System p5 Virtualization Technical Support AIX 5L V5.3
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10/25/2006 03:11 PM
cbarclay Fellow Posts: 216 Joined: 04/28/2006	To have no data loss, you would need to use application clustering technologies. Virtual Iron's LiveRecovery policy restarts the virtual server on a new piece of physical hardware in the event of failure -- typical outages are a few minutes. Virtual Iron only supports partitioning of a single physical server, but allows virtual servers to use all of its resources -- up to 8 virtual CPUs and 96 GB RAM per virtual server.
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