Dell PowerScale vs. Dell PowerVault Disk Backup and Discovery (DL, TL & ML Series)

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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Dell PowerVault suits SMB needs, VMware datastores, and backup targets where cost and simplicity matter. It's less ideal for latency-sensitive workloads, or environments needing sophisticated replication and automation.

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

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• iscsi
• storage
• and it's simple.

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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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• The solution isn't really for large enterprise solutions except for direct attached solutions.

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It's reliable and familiar to Dell-centric teams. Purpose-built modern arrays from Pure or HPE offer a noticeably smoother experience for the same core tasks.

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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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Pure Storage is much better overall. If you need to have a 7.2K solution or an array where you have several speeds needed (7K, 10K, or SSD) then Powervault is good. It is also much cheaper than Pure Storage.

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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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• as a tech/network guy i dont care for ROI... it works.

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