Managing replication and reservations
AssigneeEMC Corporation
InventorsDennis T. Duprey, Miles A. De Forest
Life of this patent
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Abstract
A method is used in managing replication and reservations. An amount of data storage space at a destination data storage location is determined that corresponds to expected successful completion of a data replication operation in which data is written to the destination data storage location. It is determined whether a thin provisioning reservation based on the amount can be made successfully at the destination data storage location. Based on whether the thin provisioning reservation can be made successfully, it is determined whether to proceed with the data replication operation.
Claims20
A method for use in managing replication and reservations, the method comprising:
- (a) determining an amount of data storage space at a destination data storage location, the amount corresponding to an amount necessary for a data replication operation in which data associated with a source data location is written to the destination data storage location, wherein the source data is a frozen write ordered consistent image of the source data;
- (b) requesting a thin provisioning reservation on the destination data storage location associated with the data replication operation, the thin provisioning reservation being based on the amount, wherein the amount is less than an amount of free data storage available at the destination storage location;
- and
- (c) based on whether the thin provisioning reservation succeeded, determining whether to proceed with the data replication operation.
A system for use in managing replication and reservations, the system comprising:
- (a) first logic configured to determine an amount of data storage space at a destination data storage location, the amount corresponding to an amount necessary for a data replication operation in which data associated with a source data location is written to the destination data storage location, wherein the source data is a frozen write ordered consistent image of the source data;
- (b) second logic configured to request a thin provisioning reservation on the destination data storage location associated with the data replication operation, the thin provisioning reservation being based on the amount, wherein the amount is less than an amount of free data storage available at the destination storage location;
- and
- (c) third logic configured to determine, based on whether the thin provisioning reservation succeeded, whether to proceed with the data replication operation.
Dependencies are inferred from the claim text.