NFA Maintenance Harvester Disk full

Document ID : KB000104978
Last Modified Date : 05/07/2018
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Introduction:
In an installation with several devices sending Flow is natural that the Hard Disk quickly to fill
Environment:
NFA 9.x
Instructions:
First see System Recommendations and Requirements - Large/Medium/Small Scale Environments - Disk Space needed on site:
https://docops.ca.com/ca-network-flow-analysis/9-3-8/en/installing/system-recommendations-and-requirements

Also see Data Retention information on site:
https://docops.ca.com/ca-network-flow-analysis/9-3-8/en/managing/maintenance-and-data-collection/data-retention

Out of Data Retention timestamp you can removed the oldest files on folders:

\NFA\Netflow\datafiles\HarvesterWork

\NFA\Netflow\datafiles\NFMInput

\NFA\Netflow\datafiles\ReaperInput

\NFA\Netflow\datafiles\ReaperWork


And regards Historical Archive Data – 15-minute summarized data (archive15 database). Typically keep 1 year of this data. (install_path\Netflow\datafiles\ReaperArchive15 ) you can remove folders that are not being used

For example in this directory has the folder 010002000250 this represents the following Device IP Address 10.2.0.250

If this device doesn't exist more in your environment or you cannot to generate reports then you can remove this device following this step:

1) On NFA web page Administration/Enable Interfaces select the Router Address 10.2.0.250 and "Delete"

2) remove the folder 010002000250 in ReaperArchive15 directory

Note: If you have a doubts regards if the device is receiving Flow check the LastFlow with this query on NFA Console machine database:
mysql
use reporter
\T C:/Windows/temp/query.txt
select deviceName,name,ifDescr,from_UNIXTIME(LastFlow) from routers,interfaces where routers.id=interfaces.routerID;

Open the C:/Windows/temp/query.txt and check the "from_UNIXTIME(LastFlow)" column

Also you can remove files from \NFA\Netflow\Logs folder
 
Additional Information:
Document ID : KB000048621 - How does the new Data Retention Service work?
https://comm.support.ca.com/kb/how-does-the-new-data-retention-service-work/kb000048621