Monthly Archives: May 2011

rrdtool restore and merge from backup

We recently had an issue with our backup server which was also running Nagios including pnp4nagios to gather performance data. We quickly started to deploy a new Nagios server which started gathering statistics again right away. After pulling the historical … Continue reading

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How-To: Undo a transaction with the ZODB

Suppose you’ve written a script to “fix something real quick” and unleashed it upon your live database. Five minutes later, you discover your script had a bug, and now you’ve wrecked quite a bit of production data. Ouch. You might … Continue reading

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