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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /doc/cephfs/mds-state-diagram.dot | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/cephfs/mds-state-diagram.dot')
-rw-r--r-- | doc/cephfs/mds-state-diagram.dot | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/doc/cephfs/mds-state-diagram.dot b/doc/cephfs/mds-state-diagram.dot new file mode 100644 index 000000000..8c9fa25d0 --- /dev/null +++ b/doc/cephfs/mds-state-diagram.dot @@ -0,0 +1,75 @@ +digraph { + +node [shape=circle,style=unfilled,fixedsize=true,width=2.0] + +node [color=blue,peripheries=1]; +N0 [label="up:boot"] + +node [color=green,peripheries=1]; +S1 [label="up:standby"] +N0 -> S1 [color=green,penwidth=2.0]; +S2 [label="up:standby_replay"] +S1 -> S2 [color=green,penwidth=2.0]; + +node [color=orange,peripheries=2]; +N1 [label="up:creating"] +S1 -> N1 [color=orange,penwidth=2.0]; +N2 [label="up:starting"] +S1 -> N2 [color=orange,penwidth=2.0]; +N3 [label="up:replay"] +S1 -> N3 [color=orange,penwidth=2.0]; +S2 -> N3 [color=orange,penwidth=2.0]; +N4 [label="up:resolve"] +N3 -> N4 [color=orange,penwidth=2.0]; +N5 [label="up:reconnect"] +N3 -> N5 [color=orange,penwidth=2.0]; +N4 -> N5 [color=orange,penwidth=2.0]; +N6 [label="up:rejoin"] +N5 -> N6 [color=orange,penwidth=2.0]; +N7 [label="up:clientreplay"] +N6 -> N7 [color=orange,penwidth=2.0]; + +node [color=green,peripheries=2]; +S0 [label="up:active"] +N7 -> S0 [color=green,penwidth=2.0]; +N1 -> S0 [color=green,penwidth=2.0]; +N2 -> S0 [color=green,penwidth=2.0]; +N6 -> S0 [color=green,penwidth=2.0]; + +// going down but still accessible by clients +node [color=purple,peripheries=2]; +S3 [label="up:stopping"] +S0 -> S3 [color=purple,penwidth=2.0]; + +// terminal (but "in") +node [shape=polygon,sides=6,color=red,peripheries=2]; +D0 [label="down:failed"] +N2 -> D0 [color=red,penwidth=2.0]; +N3 -> D0 [color=red,penwidth=2.0]; +N4 -> D0 [color=red,penwidth=2.0]; +N5 -> D0 [color=red,penwidth=2.0]; +N6 -> D0 [color=red,penwidth=2.0]; +N7 -> D0 [color=red,penwidth=2.0]; +S0 -> D0 [color=red,penwidth=2.0]; +S3 -> D0 [color=red,penwidth=2.0]; +D0 -> N3 [color=red,penwidth=2.0]; + +// terminal (but not "in") +node [shape=polygon,sides=6,color=black,peripheries=1]; +D1 [label="down:damaged"] +S2 -> D1 [color=black,penwidth=2.0]; +N3 -> D1 [color=black,penwidth=2.0]; +N4 -> D1 [color=black,penwidth=2.0]; +N5 -> D1 [color=black,penwidth=2.0]; +N6 -> D1 [color=black,penwidth=2.0]; +N7 -> D1 [color=black,penwidth=2.0]; +S0 -> D1 [color=black,penwidth=2.0]; +S3 -> D1 [color=black,penwidth=2.0]; +D1 -> D0 [color=red,penwidth=2.0] + +node [shape=polygon,sides=6,color=purple,peripheries=1]; +D3 [label="down:stopped"] +S3 -> D3 [color=purple,penwidth=2.0]; +N6 -> D3 [color=purple,penwidth=2.0]; + +} |