Dell PowerScale vs. NetApp ONTAP Data Management Software

EMC Isilon Scale-Out NAS is well suited for larger files (greater the 128 Kb) and where you need to have everything in one common name space. Where it is less appropriate is for many small files (millions of files less than 128 Kb in size) - this causes the protection level to becoming mirroring, which will cost more space.

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I have highly benefited from the performance of this great tool. Storage and data management programs have been running as planned since we deployed this system. Under NetApp ONTAP Data Management Software our data and customers contacts are always secure. It has helped our company in reducing storage costs as we can safely use cloud storage services. It gives us continuity guarantee even after our systems fail to function due to strong backup system.

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• NAS Storage
• Capacity and Performance details of the array
• Alert and Operations details

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• Cloud tool for easy multiple data management.
• Creating reports is incredible through the package.
• Data transportation and the real-time data analytics, this tool is the best ever.
• Data threats Protection capability is amazing.

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• Some upgrades require the entire cluster to be rebooted simultaneously. In this day and age, that should not be necessary. This is my biggest disappointment with Isilon to date.
• When using multiple storage pools you have to be very careful with your capacity management. Filling up one pool can cause an overflow of data to a pool that is less performance driven. Do not underestimate your capacities or you will find yourself in a tight spot.
• Block size is almost always an issue with Isilon. It does not handle all types of data well. In many cases PACS and VNA data is best to be stored on a different storage platform that will utilize the capacity more efficiently that Isilon is capable of.
• Deduplication seems to be less efficient on Isilon than on other platforms for similar types of data.

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• More details on network interfaces are available in CLI. Would like to see similar visibility on the GUI.
• Deleting volumes that have been snapmirrored have to be released at the snapmirror destination first. Would be nice to have that feature at the source where you are deleting the volume.
• When creating a volume in the GUI it adds to the default junction point. Would be nice to choose the junction point as you were creating the volume (this is a feature available in the CLI).

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Functionality is very impressive, practical, and useful. GUI could use several improvements.

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NetApp support is always second to none. That being said I have never once had to contact support for the NetApp System Manager software. It is simple, stable and easy to use. Given that their support is stellar in all other areas I don't see how this would be any different

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Raw disk space vs. logical disk space ratio was significantly better on the Isilon. Fast cache using SSD drives for faster searching is available on the Isilon but not available on the Overland solution. Isilon solution included faster backend switching between nodes.

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I have only used NetApp ONTAP Select platform in our organization in data storage and file management. It has efficiently managed all data-related problems and gives us the right roadmap of managing data from all sources effectively. Data migration from our company to the cloud storage datasets has been easy and secure. It provides reliable intelligence from all information gathered from our data sources that enhances better operations and smart decisions.

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• Isilon provides very high value for money
• Matches the performance and storage requirements of the arrays
• EMC provides very skillful and high response team in case of any issues in isilon

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• Previously were were running with just locally attached storage across all of our estate. With this tool we are not able to simplify the management of storage saving on resource usage across our Ops teams allowing us to focus on "more important" tasks.

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A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info