March 2019
Intermediate to advanced
356 pages
10h 7m
English
Content preview from Mastering Ceph - Second Edition
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Why it is important to monitor Ceph
The most important reason to monitor Ceph is to ensure that the cluster is running in a healthy state. If Ceph is not running in a healthy state, be it because of a failed disk or for some other reason, the chances of a loss of service or data increase. Although Ceph is highly automated in recovering from a variety of scenarios, being aware of what is going on and when manual intervention is required is essential.
Monitoring isn't just about detecting failures; monitoring other metrics such as used disk space is just as essential as knowing when a disk has failed. If your Ceph cluster fills up, it will stop accepting I/O requests and will not be able to recover from future OSD failures.
Finally, monitoring ...
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