"The solution is stable."
"Integration with other NetApp solutions and merging them is manageable."
"Very stable and very scalable."
"NetApp has its own dedicated operating system, so it will not be affected by any wireless piggybacking or malware. That's the beauty of NetApp's operating system."
"We've found the product to be quite flexible."
"The hardware does not last as long as it could with new software."
"The solution could improve by having better support experts. For example, they do not have clear instructions on configuration."
"They need a little more technical people in Akola. Most of the NetApp people are in Bangalore, Mumbai, or Delhi, but there are very few in Akola. I think NetApp has few technicians in Akola because they mostly rely on partners to service this area."
"I'm not sure how easy it is to use on the cloud versus on-prem. If they have different user experiences, they should work to make the two as similar as possible to make it easy for a user to understand both even if they only deal mainly with one."
"The solution is quite expensive."
NetApp Private Storage (NPS) for Cloud is a family of enterprise storage solutions that lets you use multiple industry-leading clouds and maintain complete control over your data on dedicated storage systems from NetApp.
In our most recent product, the ActiveStor Ultra, Panasas has developed a new approach called Dynamic Data Acceleration Technology. It uses a carefully balanced set of HDDs, SATA SSD, NVMe SSD, NVDIMM, and DRAM to provide a combination of excellent performance and low cost per terabyte.
• HDDs will provide high bandwidth data storage if they are never asked to store anything small and only asked to do large sequential transfers. Therefore, we only store large Component Objects on our low-cost HDDs.
• SATA SSDs provide cost-effective and highbandwidth storage as a result of not having any seek times, so that’s where we keep our small Component Objects.
• NVMe SSDs are built for very low latency accesses, so we store all our metadata in a database and keep that database on an NVMe SSD. Metadata accesses are very sensitive to latency, whether it is POSIX metadata for the files being stored or metadata for the internal operations of the OSD.
• An NVDIMM (a storage class memory device) is the lowest latency type of persistent storage device available, and we use one to store our transaction logs: user data and metadata being written by the application to the OSD, plus our internal metadata. That allows PanFS to provide very low latency commits back to the application.
• We use the DRAM in each OSD as an extremely low latency cache of the most recently read or written data and metadata.
To gain the most benefit from the SATA SSD’s performance, we try to keep the SATA SSD about 80% full. If it falls below that, we will (transparently and in the background) pick the smallest Component Objects in the HDD pool and move them to the SSD until it is about 80% full. If the SSD is too full, we will move the largest Component Objects on the SSD to the HDD pool. Every ActiveStor Ultra Storage Node performs this optimization independently and continuously. It’s easy for an ActiveStor Ultra to pick which Component Objects to move, it just needs to look in its local NVMe-based database.
NetApp Private Storage is ranked 8th in NAS with 4 reviews while Panasas ActiveStor is ranked 12th in NAS with 1 review. NetApp Private Storage is rated 8.8, while Panasas ActiveStor is rated 9.0. The top reviewer of NetApp Private Storage writes "Has its own dedicated operating system, so it will not be affected by any wireless piggybacking or malware". On the other hand, the top reviewer of Panasas ActiveStor writes "Easy to use and flexible with great performance". NetApp Private Storage is most compared with Qumulo, Dell EMC PowerScale (Isilon), Hitachi NAS, Buurst SoftNAS and NetApp FAS Series, whereas Panasas ActiveStor is most compared with Dell EMC PowerScale (Isilon), NetApp FAS Series, HPE 3PAR StoreServ and Sonexion Scale-out Lustre Storage System.
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