History files are corrupted on SP Studio agents after purging them / reaching the 2GB

Products

• CA Automic Sysload

Issue/Introduction

Affects Release version(s): 5

Error Message :
On the log of the agent these kind of errors may appear every time the agent tries to write on the history files:
###############
Wed Jul 02 15:22:50 2014: [spg] *** Error in file 'C:\Sysload_home\oaWebsphere\history\oaWebsphere-preprodNode3_WebSphere_Portal.dat'; file header () is INCORRECT 
Wed Jul 02 15:22:50 2014: [spg] *** OCtFile_create: Cannot create file (LBtreeFile; nRc=-1) : 'C:\Sysload_home\oaWebsphere\history\oaWebsphere-preprodNode3_WebSphere_Portal' 
Tue Jul 01 20:04:06 2014: [spg] *** Error in file 'C:\Sysload_home\oaWebsphere\history\oaWebsphere-preprodNode3_WebSphere_Portal.dat'; OBtFile_SearchAndAddOrUpdate: enRc = OBtFile_SearchAndAddOrUpdate, enRc = 0 
Tue Jul 01 20:04:06 2014: [LPtrVerif] OBtFile.c[5052] - Error 
###############

Patch level detected:Sysload Agent Custom 5.60 (designed with Sysload Studio)
Product Version: Sysload 5.6.0

Description :All domains are greyed out when doing a long-term history chart, or nothing is collected when Sysload Portal collects the agent.

Cause

Cause type:
Defect
Root Cause: N/A

Environment

OS: All

Resolution

Extracted from the release notes of the fix for the open agents 5.60a:

BUGS FIXED SINCE VERSION 5.60
---

. pb#110785 - bug#20694
Possible historical file(s) corruption after starting automatic purge.

. pb#xxxxxx - bug#xxxxx
Historical file(s) would become corrupt after exceeding the 2GB limit.
Now the agent generates a warning in its log file when the limit has been reached and historization process is stopped.

Fix Status: Released

Fix Version(s):
Component: Agents
Version: Sysload 5.6.0
SP Studio Agent Patch 5.60a

Additional Information

Workaround :
N/A