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OSNEXUS QuantaStor Scale-out Solution Designer
TB

Server & Cluster Specification
Select the number of servers per server-expansion chassis grouping.
Select the number of expansion chassis per server.
All-flash meta-data pool devices are generally required for configurations using HDDs as the data device media as HDDs are too slow for filesystem meta-data storage.
Boost read & write performance through write-ahead-logging (WAL) and metadata offload (MDB) to SSD/NVMe media.
Our general recommendation is to have a 1:1 ratio where a GB of RAM is added to the server for each TB of usable capacity. For most backup and archive configurations the required RAM requirements are lower and a reduced ratio may be used.
For HDD based systems the mirrored SSD cache capacity should be between 2% and 4% of the total HDD capacity.

Storage Configuration
Compression % indicates the amount of additional usable capacity is gained due to data compression. If the data is pre-compressed such as images, video or pre-encrypted files set this to 0%.
Reserved free-space (backfill space) indicates the amount of space that will not be used in order to avoid performance degradation and ensure uptime in the event of a server outage.
Reserved drive slots indicates the percentage of drive bays per system that should remain empty for future expansion.

License Summary

Contact Information
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Rack Summary

Solution Summary
Setting Value
Servers (nodes)
Data Pool Devices
Metadata Pool Devices
Write-Log/MDB Devices
Rack Space Required
Usable Capacity
Usable w/ Compression
Raw Capacity
Estimated Power Req
Estimated Power Cost/mo
Estimated HW Cost
HW Price/TB (raw)
Estimated Cluster Write Throughput*
Estimated Cluster Read Throughput*
Estimated Cluster Write IOPS
Estimated Cluster Read IOPS
Min Recommended Networking
Recommended Networking
Physical-to-Virtual Ratio

Server Specification

Exp. Chassis Specification
Click here for SAS cabling diagrams

Device Specification