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ESI MATRIX

Created by: Tod Ewasko
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Storage requirements for Summation Pro depend on a number of factors, many which are driven by the organization’s business practices.  Here are a few considerations when determining the amount of storage needed:

The amount of time a matter is stored online vs. near-line vs. offline
Whether you are going to store the original data as well as the culled data
ESI Storage matrix

Data Stored

Component

File Type

Size

Performance

Staged (Imported) Data

File Server (SAN/NAS) or DAS device

Forensic Image, Native, TIFF, PDF, or Load files

Driven by needs of organization

RAID 5 separate from case data

Case Data

(Index of processed ESI)

File Server (SAN/NAS) or DAS device

IDX, DAT, JTK

Initial size roughly 1/3 size of original collected ESI.  Importing data is a 1:1 ratio

RAID 5 separate from ESI

On or physically close to processing worker

Metadata of Processed ESI

Database Server

MDF, NDF

Initial size roughly 1/3 size of collected ESI

(every 200,000 items requires roughly 1GB of disk space)

See “SQL Server Consideration” section

Exported Data

File Server (SAN/NAS) or DAS device

Native, TIFF, PDF, or Load files

Recommended 30 purge policy

RAID 5

 

The size of the case data and database files largely depend on the processing options chosen.  Certain options may exceed the 1/3 ratio stated above.  Please direct any questions to your support representative.

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