mirror of
https://github.com/ceph/ceph
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c80eca7fce
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1019 29311d96-e01e-0410-9327-a35deaab8ce9
38 lines
392 B
Plaintext
38 lines
392 B
Plaintext
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intro
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osd cluster map
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requirements
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desireable properties
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(c)rush
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failure detection
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distributed ping or heartbeat
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central filter, notifier
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design
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placement seed, class/superset, groups
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normal operation
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reads
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writes
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recovery
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triggers: failed disk, or total cluster reorganization
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notify
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peering
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pull
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push
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clean
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writes during recovery
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graceful data loss + recovery?
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