System Feature Comparison

Feature	Windows	Oracle HSM	Unix/Linux	NAS
Real-time replication & data protection	Uses Windows Journal	Uses HSM callout interface	Not Available	Not Available
High speed file system scanning
Ability to throttle disk I/O, network Bandwidth, CPU by time of day
Ability to calculate checksum information for data integrity	SHA 1	MD5
Release file data transparently to the user	Windows reparse point	Built into HSM	Using symbolic links	Not Available
Stage file back when the user accesses a file		Built into HSM	Not Available	Not Available
Automatically maintain file system utilization between a high watermark and low watermark		Built into HSM	Using symbolic links	Not Available
Capture metadata for high speed analysis	SQL Server	MySQL or SQLite	MySQL or SQLite	Requires Migrator Server
Open files to extract DICOM, HL7, image header information
Plug into 3rd party applications to retrieve additional data
Compress and encrypt file data over the wire				Not Available
Centrally manage polices, status and alerts with a web portal
Select, stage and migrate files based on metadata including location of GEO files, pathology for medical image files
Replication targets	Window // Microsoft Azure // Oracle HSM // AWS // Unix // Linux // NAS // EDSI

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