Patent ID: 8468315

Claim:
A computer program product for facilitating replication of data in a storage system, the computer program product comprising: a non-transitory storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising: configuring a logical volume of a storage unit of a first storage array of the storage system with at least one logical volume attribute, the at least one logical volume attribute comprising a compressible configuration bit indicating whether all data blocks to be stored to the logical volume are compressible during replication thereof to a second storage array of the storage system; receiving a data block at the first storage array to be stored to the logical volume of the storage unit of the first storage array; and checking the compressible configuration bit of the at least one logical volume attribute with which the logical volume is configured, and based thereon, determining whether to compress the data block during replication thereof from the first storage array to the second storage array of the storage system.