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IBM PowerHA SystemMirror vs. NEC ExpressCluster vs. Windows Server Failover Clustering

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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    IBM PowerHA SystemMirror

    Score9.9 out of 10
    N/AIBM offers PowerHA SystemMirror, for high availability clustering.N/A

    NEC ExpressCluster

    N/AN/ANEC offers ExpressCluster, a high availability clustering and disaster recovery solution.N/A

    Windows Server Failover Clustering

    Score8.7 out of 10
    N/AWindows Server Failover Clustering (WSFC) is a group of independent servers that work together to increase application and service availability.N/A
    Pricing
    IBM PowerHA SystemMirrorNEC ExpressClusterWindows Server Failover Clustering
    Editions & Modules
    No answers on this topic
    No answers on this topic
    No answers on this topic
    Offerings
    Pricing Offerings
    IBM PowerHA SystemMirrorNEC ExpressClusterWindows Server Failover Clustering
    Free Trial
    NoNoNo
    Free/Freemium Version
    NoNoNo
    Premium Consulting/Integration Services
    NoNoNo
    Entry-level Setup FeeNo setup feeOptionalNo setup fee
    Additional Details———
    More Pricing Information
    Community Pulse
    IBM PowerHA SystemMirrorNEC ExpressClusterWindows Server Failover Clustering
    Considered Multiple Products
    IBM
    No answer on this topic
    NEC
    No answer on this topic
    Microsoft
    No answer on this topic
    Key User Insights
    Would buy again
    No answers on this topic
    No answers on this topic
    100%
    Would buy again
    9 Answers
    Delivers good value for the price
    No answers on this topic
    No answers on this topic
    100%
    Delivers good value for the price
    9 Answers
    Happy with the feature set
    No answers on this topic
    No answers on this topic
    100%
    Happy with the feature set
    9 Answers
    Lived up to sales and marketing promises
    No answers on this topic
    No answers on this topic
    100%
    Lived up to sales and marketing promises
    7 Answers
    Implementation went as expected
    No answers on this topic
    No answers on this topic
    100%
    Implementation went as expected
    8 Answers
    User Ratings
    IBM PowerHA SystemMirrorNEC ExpressClusterWindows Server Failover Clustering
    Likelihood to Recommend
    10.0
    (4 ratings)
    -
    (0 ratings)
    9.2
    (13 ratings)
    Likelihood to Renew
    -
    (0 ratings)
    -
    (0 ratings)
    10.0
    (1 ratings)
    Usability
    -
    (0 ratings)
    -
    (0 ratings)
    9.7
    (4 ratings)
    Support Rating
    -
    (0 ratings)
    -
    (0 ratings)
    8.2
    (3 ratings)
    User Testimonials
    IBM PowerHA SystemMirrorNEC ExpressClusterWindows Server Failover Clustering
    Likelihood to Recommend
    IBM
    In every organization, we have some of the critical applications in on Premise datacentre were a lot of dependencies in a picture in terms of application as well as a business where we can make highly available to this application by using Power HA Systemmirror by using this we can avoid last time surprises.
    Incentivized
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    NEC
    No answers on this topic
    Microsoft
    Windows ServerFailover Clustering works very well for applications that can sustain a short disconnect when failing over. It works, and works well, in providing single-node applications HA, meaning an active/passive setup. It is not a load balancing solution. Use NLB for that. Another area that it works well is when used in combination with Hyper-V. We set our Hyper-V hosts up as clusters, and those clusters also host clusters for SQL Server and other enterprise class applications like BMC's Control-M/Enterprise and Control-M/Server.
    Incentivized
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    Pros
    IBM
    • High performance during peak business hours
    • No downtime during critical business operations
    • Easy updates
    Incentivized
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    NEC
    No answers on this topic
    Microsoft
    • Live Migration of VMs between hosts. If you have sufficient network bandwidth, it is fast and I never had a failed live migration break the VM or kill it. Worst case is the live migration will fail (not enough RAM for example) but the VM always stayed up.
    • Windows Server Failover Clustering enables Scaleout Storage, which is probably the coolest feature Microsoft has to offer at this moment. It gives you Active-Active SMB file shares which can now be used by most Microsoft Services like MS SQL, Hyper-V, etc. and clients if Windows 8+
    • Cluster Validation is really complete and easy to understand. The validation gives you comprehensive error messages that help to diagnose and fix rapidly to get your Failover Cluster running in no time.
    Incentivized
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    Cons
    IBM
    • IBM Sybase replication has been an issue for those who don't [use] MIMIX on their systems to keep the Sybase up to date.
    • The graphical interface really needs an update.
    • Technical support isn't as responsive as it should be.
    Incentivized
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    NEC
    No answers on this topic
    Microsoft
    • The setup of the Windows Server Failover Clustering is complex, requiring different networks and multiple network cards.
    • Better integration between the Windows Failover clustering and Hyper-V. Unlike VMWare you have to make changes to two places instead of just one panel.
    • I wish there was a web portal to manage the cluster. Instead you have to remote desktop into the VIP address and go to the Cluster manager.
    Incentivized
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    Likelihood to Renew
    IBM
    No answers on this topic
    NEC
    No answers on this topic
    Microsoft
    It has proven its value to us both for maintaining SLAs and providing the ability to perform much needed and regular systems maintenance without taking applications offline for more than a few seconds.
    Incentivized
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    Usability
    IBM
    No answers on this topic
    NEC
    No answers on this topic
    Microsoft
    Usability of Failover Clustering on Windows Server is generally good. Failover Clustering console is not hard to understand if the complexity of the product is taken into account. Most of the task on the Cluster can be done via PowerShell, so automation is possible and not hard (PowerShell is very intuitive). Configuring storage is the hardest and most confusing task during cluster configuration, so storage configuration should be planned in advance. Cluster Validation Wizard is verbose but most of the errors are easy to understand.
    Incentivized
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    Support Rating
    IBM
    No answers on this topic
    NEC
    No answers on this topic
    Microsoft
    Online documentation is excellent. Everything I needed to know, I learned from the online documentation. I haven't used phone support as I haven't needed to but would presume it is similar to Microsoft Support for other products that I've used. Phone support from Microsoft is hit and miss. It depends on who you get. That said, my rating is based on the online documentation.
    Incentivized
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    Alternatives Considered
    IBM
    As I am having long experience with this so no doubt, I am very confident for it where I can deploy easily and manage easily in terms of any issues can go with multiple logs and take further actions on it to fix the issue in a swift manner which matters a lot to me. That's why I have given higher priority to it.
    Incentivized
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    NEC
    No answers on this topic
    Microsoft
    Both VMware and Microsoft Failover do the job and they both do it extremely well. For many bussiness and environments though, they will have the existing investment in a Microsoft environment and Microsoft infrastructure. The introduction of VMware will or may achieve the end result however it introduces new dimensions like support, licensing, documentation and ensuring the support team are trained.
    Incentivized
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    Return on Investment
    IBM
    • There will is no single point of failure in PowerHA SystemMirror
    • High performance in PowerHA SystemMirror
    • TL upgrades are easy without any impact
    Incentivized
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    NEC
    No answers on this topic
    Microsoft
    • Failover Cluster gives us the power to do updates or hardware upgrade / change without having to create an outage. Which permit us not to work night shifts.
    • By creating one cluster with all Hyper-V servers, it enabled us to move VMs via live migration between host to balance RAM usage which was time consuming and took a lot of time over network before.
    • It created some problems that caused us to have to investigate quite some time before finding the cause. We encountered dll locking that caused the Failover Cluster to force-restart a host. Logs are really not the strong point of Failover Cluster Manager, and even Microsoft Support wasn't able to help much. We had to find the problem ourself.
    Incentivized
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