January 2019
Intermediate to advanced
606 pages
15h 1m
English
In this section, we'll cover strategies for growing capacity to meet your users' never-ending thirst for storage. Below we'll summarize the process for adding a new OSD host to an existing Ceph cluster in a more manual, hands-on fashion. It is strongly encouraged that you practice this process with lab or pre-production. Another flexible strategy is to practice on virtualized systems, be they in-house or from a cloud provider such as Digital Ocean.
Visit https://github.com/cernceph/ceph-scripts. Here can be found a wealth of useful Ceph tools from the fine folks at CERN. Here we need to download tools/ceph-gentle-reweight onto our admin node. Around line 63 is a line that looks like the below; comment it out by adding a # at the ...