Revision 4a1821de

b/doc/design-2.1.rst
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An interested client can query a value by making a request to a subset of the
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cluster master candidates. It will then wait to get a few responses, and use
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the one with the highest configuration serial number (which will be always
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included in the answer). If some candidates are stale, or we are in the middle
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of a configuration update, various master candidates may return different
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values, and this should make sure the most recent information is used.
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the one with the highest configuration serial number. Since the configuration
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serial number is increased each time the ganeti config is updated, and the
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serial number is included in all answers, this can be used to make sure to use
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the most recent answer, in case some master candidates are stale or in the
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middle of a configuration update.
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In order to prevent replay attacks queries will contain the current unix
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timestamp according to the client, and the server will verify that its

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