Spares missing event emails after RAID changes

Out of the box with the RAID you are likely to find an email everyday with the subject similar to: SparesMissing event on /dev/md/Mirror:nas2 [nas2.cantabrian] This is a somewhat know error, ssh to the box and look for: /etc/mdadm/mdadm.conf You … Continue reading

Hard disk SMART monitoring and alerts in OMV

All modern hard drives come with SMART, Self-Monitoring, Analysis, and Reporting Technology, which in essence allows you to monitor the status of your disks and if they have any errors. This will often alert you to dangerous situations where you … Continue reading

DNS problems, email notifications not being sent

I had a working Open Media Vault system with notifications going out and then it stopped. OMV runs on Debian. In the log I started seeing: The actual error was: postfix/error[1443]: 1D96741676: to=<joe.blogs@domain.com>, relay=none, delay=175894, delays=175853/41/0/0.24, dsn=4.4.3, status=deferred (delivery temporarily … Continue reading