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.