October 2017
Intermediate to advanced
226 pages
6h 56m
English
Content preview from MongoDB Administrator's Guide
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How to do it...
- Before even touching a system, go through the release notes carefully. There are serious implications when upgrading binaries that have backward-incompatible changes or variance in operational parameters.
- Take a full backup of your entire system.
- If you have installed MongoDB binaries using the operating system's package manager, such as apt (Ubuntu) or yum (Red Hat/CentOS), the upgrade process might trigger a service restart. Hence, do not install new packages until the service is manually shut down.
- Log in to one of the secondary nodes in the replica set and shut it down:
use admindb.shutdownServer()
- Once the mongod/mongos instance is shut down, install the upgraded package on the system and start the service.
- Log ...
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