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https://issues.apache.org/jira/browse/IGNITE-22899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Puchkovskiy updated IGNITE-22899:
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Description:
When a node starts and finds a ClusterResetMessage in its Vault, it executes
the CMG reset routine described in IGNITE-22807. If the message contains fields
related to the Metastorage (which means that MG repair is requested), the
following has to be done:
# Pause node startup before starting Metastorage
# On the repair conductor (that is, the node whose consistentId is the same as
the value of 'conductor' in the message), the following is done:
## Wait till all nodes specified in the 'nodes' field of the message pass
basic validation on the CMG
## Send a MetastorageRepairStartMessage to those nodes
## After receiving responses from all the nodes (if a node leaves the
‘basically validated’ node set (or a higher set), the procedure ends with an
error and ‘cluster reset’ has to be repeated), the Conductor chooses new MG
nodes from those that successfully returned responses (by choosing top N
ordering them by index+term; N is metastorageReplicationFactor from the
ClusterResetMessage)
##
> Repair MG on node start
> -----------------------
>
> Key: IGNITE-22899
> URL: https://issues.apache.org/jira/browse/IGNITE-22899
> Project: Ignite
> Issue Type: Improvement
> Reporter: Roman Puchkovskiy
> Priority: Major
> Labels: ignite-3
>
> When a node starts and finds a ClusterResetMessage in its Vault, it executes
> the CMG reset routine described in IGNITE-22807. If the message contains
> fields related to the Metastorage (which means that MG repair is requested),
> the following has to be done:
> # Pause node startup before starting Metastorage
> # On the repair conductor (that is, the node whose consistentId is the same
> as the value of 'conductor' in the message), the following is done:
> ## Wait till all nodes specified in the 'nodes' field of the message pass
> basic validation on the CMG
> ## Send a MetastorageRepairStartMessage to those nodes
> ## After receiving responses from all the nodes (if a node leaves the
> ‘basically validated’ node set (or a higher set), the procedure ends with an
> error and ‘cluster reset’ has to be repeated), the Conductor chooses new MG
> nodes from those that successfully returned responses (by choosing top N
> ordering them by index+term; N is metastorageReplicationFactor from the
> ClusterResetMessage)
> ##
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