Class LvmVgStorage

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LVM Volume Group storage unit.

Instance Methods

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_RemoveMissing(self, name, _runcmd_fn=utils.RunCmd)
Runs "vgreduce --removemissing" on a volume group.

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Execute(self, name, op)
Executes an operation on a virtual volume.

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Inherited from _LvmBase: List

Inherited from _Base: Modify

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

Class Methods

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Inherited from _LvmBase (private): _BuildList

Static Methods

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Inherited from _LvmBase (private): _BuildListCommand, _GetLvmFields, _RunListCommand, _SplitList

Class Variables

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LIST_COMMAND = "vgs"

VGREDUCE_COMMAND = "vgreduce"

LIST_FIELDS = [(constants.SF_NAME, ["vg_name"], None), (consta...
list of tuples consisting of three elements: SF_* constants, lvm command output fields (list), and conversion function or static value (for static value, the lvm output field can be an empty list)

Inherited from _LvmBase: LIST_SEP

Properties

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Inherited from object: __class__

Method Details

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_RemoveMissing(self, name, _runcmd_fn=utils.RunCmd)

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Runs "vgreduce --removemissing" on a volume group.

Parameters:

name (string) - Volume group name

Execute(self, name, op)

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Executes an operation on a virtual volume.

See _Base.Execute.

Parameters:

name - Entity name
op - Operation name

Overrides: _Base.Execute

Class Variable Details

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LIST_FIELDS

list of tuples consisting of three elements: SF_* constants, lvm command output fields (list), and conversion function or static value (for static value, the lvm output field can be an empty list)

Value:

[(constants.SF_NAME, ["vg_name"], None), (constants.SF_SIZE, ["vg_size
"], _ParseSize), (constants.SF_FREE, ["vg_free"], _ParseSize), (consta
nts.SF_USED, ["vg_size", "vg_free"], lambda x, y: _ParseSize(x)-_Parse
Size(y)), (constants.SF_ALLOCATABLE, [], True),]