January 2019
Intermediate to advanced
606 pages
15h 1m
English
book
Ceph: Designing and Implementing Scalable Storage Systems
by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
Content preview from Ceph: Designing and Implementing Scalable Storage Systems
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RADOS class caveats
Although we have seen the power that can be harnessed using Ceph's RADOS classes, it's important to note that this is achieved by calling your own customized code from deep inside OSDs. As a consequence, great care needs to be taken that your RADOS class is bug free. A RADOS class has the ability to modify any data on your Ceph cluster, and so accidental data corruption is easily possible. It is also possible for the RADOS class to crash the OSD process. If the class is used in large-scale cluster operations, this has the ability to affect all OSDs in the cluster and so great care should be taken to ensure that error handling is properly done to avoid errors.
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