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Ceph Cookbook - Second Edition by Karan Singh, Michael Hackett, Vikhyat Umrao

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How to do it...

Let's begin the configuration:

  1. Get the current CRUSH map and decompile it:
        # ceph osd getcrushmap -o crushmapdump        # crushtool -d crushmapdump -o crushmapdump-decompiled
  1.  Edit the crushmapdump-decompiled CRUSH map file and add the following section after the root default section:
  1.  Create the CRUSH rule by adding the following rules under the rule section of the CRUSH map, and then save and exit the file:
  1.  Compile and inject ...

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