Class OpInstanceMigrate

source code

Migrate an instance.

This migrates (without shutting down an instance) to its secondary node.

Nested Classes

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Inherited from BaseOpCode: __metaclass__

Instance Methods

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Inherited from OpCode: Summary, TinySummary, __getstate__

Inherited from BaseOpCode: Validate, __init__, __setstate__

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Methods

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Inherited from OpCode: LoadOpCode

Inherited from BaseOpCode: GetAllParams

Inherited from BaseOpCode (private): _all_slots

Class Variables

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OP_DSC_FIELD = "instance_name"
The name of a field whose value will be included in the string returned by Summary(); see the docstring of that method for details).

OP_PARAMS = [_PInstanceName, _PMigrationMode, _PMigrationLive,...
List of opcode attributes, the default values they should get if not already defined, and types they must match.

Inherited from OpCode: OP_ID, OP_RESULT, WITH_LU

Instance Variables

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instance_name
the name of the instance

mode
the migration mode (live, non-live or None for auto)

Inherited from OpCode: dry_run, priority

Properties

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Inherited from object: __class__

Class Variable Details

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OP_PARAMS

List of opcode attributes, the default values they should get if not already defined, and types they must match.

Value:

[_PInstanceName, _PMigrationMode, _PMigrationLive, _PMigrationTargetNo
de, ("cleanup", False, ht.TBool, "Whether a previously failed migratio
n should be cleaned up"), ("iallocator", None, ht.TMaybeString, "Iallo
cator for deciding the target node for shared-storage instances"), ("a
llow_failover", False, ht.TBool, "Whether we can fallback to failover 
if migration is not possible"),]