The nova.scheduler.filters.disk_filter Module

class AggregateDiskFilter

Bases: nova.scheduler.filters.disk_filter.DiskFilter

AggregateDiskFilter with per-aggregate disk allocation ratio flag.

Fall back to global disk_allocation_ratio if no per-aggregate setting found.

class DiskFilter

Bases: nova.scheduler.filters.BaseHostFilter

Disk Filter with over subscription flag.

host_passes(host_state, spec_obj)

Filter based on disk usage.

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