Greg, Pete, Alessandro Thank you for your replies.So, the "periodic" filesystem check will kick in only at the first reboot that occurs after the expiry of 180 days (if 180 days is the set duration for filesystem checks). The check won't occur "online" but will impact the next filesystem mount operation !!
Ronny also clarified this point in his response. Thanks Hemant K Chitale At 11:38 PM Saturday, I wrote:
Has anyone noticed / documented / measured the impact of ext3fs periodic filesystem checks that Ronny Egner's talks about at
Hemant K Chitale http://hemantoracledba.blogspot.com -- http://www.freelists.org/webpage/oracle-l