[CentOS] System hanged - no info in logs.

Thu Apr 12 14:57:11 UTC 2012
Phil Schaffner <Philip.R.Schaffner at NASA.gov>

Rafał Radecki wrote on 04/12/2012 10:32 AM:
> The system was not rebooted, it just was not responsive (ssh) and has a gap
> in logfiles for 15 minutes. After 15 minutes it started responding.

Then I'd try the smartctl suggestion from mark.

Please do not top-post.