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Ceph Cluster Availability Survey
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Which of the following best describes you
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In your own words, please describe what availability means to you in a Ceph cluster. (For example, is it the ability to serve read and write requests even if the cluster is in a degraded state?).
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Do you agree with the following metric in evaluating a cluster's availability:

"All placement group (PG) state in a cluster must have 'active'  in them, if at least 1 PG does not have 'active' in them, then the cluster as whole is deemed as unavailable". 
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If you answered No or Maybe, please explain why.
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From your own experience, what are some of the most common events that causes a Ceph cluster to be considered unavailable based on your definition of availability.
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Are there any events that you might consider a cluster to be unavailable but you feel like it is not worth tracking and is dismissible?
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Obviously 100% availability is not realistic, 
therefore, using the definition of availability you came up with, what availability do you think is required to match your goal in using Ceph.
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