On one of my servers, all OpenVZ containers seem to lose access to /dev/simfs for a few minutes each day between 5:00am and 5:10am. Or, at least that's what appears to be happening... scripts that are running during that time report issues with reading files.
My first thought was to look for a cron job on either the HN or one of the containers that could be causing this, but couldn't find anything.
I also checked the Adaptec raid controller and it is not reporting any errors, nor does it have any daily maintenance scheduled to run.
My next thought is to install munin monitoring on the HN and see if the raid system is busy at the time.
But, I was just curious if anyone else has witnessed this behavior or if there were any other ideas out there regarding strategies for troubleshooting this.
Thanks,
Curtis
My first thought was to look for a cron job on either the HN or one of the containers that could be causing this, but couldn't find anything.
I also checked the Adaptec raid controller and it is not reporting any errors, nor does it have any daily maintenance scheduled to run.
My next thought is to install munin monitoring on the HN and see if the raid system is busy at the time.
But, I was just curious if anyone else has witnessed this behavior or if there were any other ideas out there regarding strategies for troubleshooting this.
Thanks,
Curtis
