I am using Netflow analyzer version 6.5 and facing storage problem. I am receiving auto generated mail regarding storage, I already checked the option "delete row date when free space is less then 45%" but i think it is not working well. 

Kindly tell me how i reduce or delete old row date in order to get rid of storage issue. I allocate 260 GB harddisk space for netflow.

Regards,

Arshad Ahmed