Interface CfnLifecyclePolicy.IRetentionArchiveTierProperty
[Custom snapshot policies only] Describes the retention rule for archived snapshots.
Namespace: Amazon.CDK.AWS.DLM
Assembly: Amazon.CDK.Lib.dll
Syntax (csharp)
public interface IRetentionArchiveTierProperty
Syntax (vb)
Public Interface IRetentionArchiveTierProperty
Remarks
Once the archive retention threshold is met, the snapshots are permanently deleted from the archive tier.
The archive retention rule must retain snapshots in the archive tier for a minimum of 90 days.
For count-based schedules , you must specify Count . For age-based schedules , you must specify Interval and IntervalUnit .
For more information about using snapshot archiving, see Considerations for snapshot lifecycle policies .
ExampleMetadata: fixture=_generated
Examples
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
using Amazon.CDK.AWS.DLM;
var retentionArchiveTierProperty = new RetentionArchiveTierProperty {
Count = 123,
Interval = 123,
IntervalUnit = "intervalUnit"
};
Synopsis
Properties
Count | The maximum number of snapshots to retain in the archive storage tier for each volume. |
Interval | Specifies the period of time to retain snapshots in the archive tier. |
IntervalUnit | The unit of time in which to measure the Interval . |
Properties
Count
The maximum number of snapshots to retain in the archive storage tier for each volume.
virtual Nullable<double> Count { get; }
Property Value
System.Nullable<System.Double>
Remarks
The count must ensure that each snapshot remains in the archive tier for at least 90 days. For example, if the schedule creates snapshots every 30 days, you must specify a count of 3 or more to ensure that each snapshot is archived for at least 90 days.
Interval
Specifies the period of time to retain snapshots in the archive tier.
virtual Nullable<double> Interval { get; }
Property Value
System.Nullable<System.Double>
Remarks
After this period expires, the snapshot is permanently deleted.
IntervalUnit
The unit of time in which to measure the Interval .
virtual string IntervalUnit { get; }
Property Value
System.String
Remarks
For example, to retain a snapshots in the archive tier for 6 months, specify Interval=6
and IntervalUnit=MONTHS
.