mirror of
https://github.com/ceph/ceph
synced 2024-12-18 09:25:49 +00:00
06e0a312d4
MDSMonitor assigns a booting MDS immediately to standby. From there, the standby may be promoted to standby-replay or some state leading to active. Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
74 lines
2.1 KiB
Plaintext
74 lines
2.1 KiB
Plaintext
digraph {
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node [shape=circle,style=unfilled,fixedsize=true,width=2.0]
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node [color=blue,peripheries=1];
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N0 [label="up:boot"]
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node [color=green,peripheries=1];
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S1 [label="up:standby"]
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N0 -> S1 [color=green,penwidth=2.0];
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S2 [label="up:standby_replay"]
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S1 -> S2 [color=green,penwidth=2.0];
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node [color=orange,peripheries=2];
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N1 [label="up:creating"]
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S1 -> N1 [color=orange,penwidth=2.0];
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N2 [label="up:starting"]
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S1 -> N2 [color=orange,penwidth=2.0];
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N3 [label="up:replay"]
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S1 -> N3 [color=orange,penwidth=2.0];
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S2 -> N3 [color=orange,penwidth=2.0];
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N4 [label="up:resolve"]
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N3 -> N4 [color=orange,penwidth=2.0];
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N5 [label="up:reconnect"]
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N3 -> N5 [color=orange,penwidth=2.0];
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N4 -> N5 [color=orange,penwidth=2.0];
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N6 [label="up:rejoin"]
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N5 -> N6 [color=orange,penwidth=2.0];
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N7 [label="up:clientreplay"]
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N6 -> N7 [color=orange,penwidth=2.0];
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node [color=green,peripheries=2];
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S0 [label="up:active"]
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N7 -> S0 [color=green,penwidth=2.0];
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N1 -> S0 [color=green,penwidth=2.0];
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N2 -> S0 [color=green,penwidth=2.0];
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N6 -> S0 [color=green,penwidth=2.0];
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// going down but still accessible by clients
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node [color=purple,peripheries=2];
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S3 [label="up:stopping"]
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S0 -> S3 [color=purple,penwidth=2.0];
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// terminal (but "in")
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node [shape=polygon,sides=6,color=red,peripheries=2];
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D0 [label="down:failed"]
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N2 -> D0 [color=red,penwidth=2.0];
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N3 -> D0 [color=red,penwidth=2.0];
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N4 -> D0 [color=red,penwidth=2.0];
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N5 -> D0 [color=red,penwidth=2.0];
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N6 -> D0 [color=red,penwidth=2.0];
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N7 -> D0 [color=red,penwidth=2.0];
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S0 -> D0 [color=red,penwidth=2.0];
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S3 -> D0 [color=red,penwidth=2.0];
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D0 -> N3 [color=red,penwidth=2.0];
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// terminal (but not "in")
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node [shape=polygon,sides=6,color=black,peripheries=1];
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D1 [label="down:damaged"]
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N3 -> D1 [color=black,penwidth=2.0];
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N4 -> D1 [color=black,penwidth=2.0];
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N5 -> D1 [color=black,penwidth=2.0];
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N6 -> D1 [color=black,penwidth=2.0];
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N7 -> D1 [color=black,penwidth=2.0];
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S0 -> D1 [color=black,penwidth=2.0];
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S3 -> D1 [color=black,penwidth=2.0];
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D1 -> D0 [color=red,penwidth=2.0]
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node [shape=polygon,sides=6,color=purple,peripheries=1];
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D3 [label="down:stopped"]
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S3 -> D3 [color=purple,penwidth=2.0];
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}
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