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IBM Spectrum Virtualize Pros and Cons

IBM Spectrum Virtualize Pros

MD
Senior Systems Engineer at a tech services company with 11-50 employees
I like all the features, but the most impressive recently has been the introduction of IBM's Flash Core Modules. They are a form of a flash drive, but they have many more features.
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JJ
Solutions Platform Architect at a retailer with 10,001+ employees
There are many benefits to this solution. Storage virtualization and the ability to migrate massive amounts of data to other systems without impacting your client are the most valuable. It is non-disruptive for my users. We migrated 350 terabytes of data in one night to a new machine without a small system going down and a single user complaining about the performance. You have to fine-tune a lot of storage machines constantly for performance and for making sure that they are optimal, but IBM Spectrum Virtualize does this by itself. It does the adjustment on its own, and it does it right. That's what makes it different. I had a huge VSP from Hitachi, which is also a type of virtualization-based engine but with a decent size. It was a continuous performance-tuning exercise. I never had that issue with IBM Spectrum Virtualize.
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PK
Storage Administrator at a healthcare company with 1,001-5,000 employees
The ability to add the virtual machine on the Spectrum environment to sort out the data movers(DMs) and their schedules is a valuable feature. You are able to have, for example, four data movers to balance them so you do not have too much work on one data mover.
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IBM Spectrum Virtualize Cons

MD
Senior Systems Engineer at a tech services company with 11-50 employees
t is limited in terms of a single system to eight nodes or four, what they call IO groups.
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JJ
Solutions Platform Architect at a retailer with 10,001+ employees
I hate I/O groups. If you start swapping I/O groups, they can be potentially risky. If they could get rid of the whole I/O group principle, the risk is not there anymore. I understand the fundamental thing about I/O groups, but they are risky.
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PK
Storage Administrator at a healthcare company with 1,001-5,000 employees
The only errors I find sometimes is the solution tells me I cannot operate it because a service has turned off, you can just go back to the VM, go to services, and turn back the services. However, this should improve.
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