MANAGING THE COPYING OF WRITES FROM PRIMARY STORAGES TO SECONDARY STORAGES ACROSS DIFFERENT NETWORKS

摘要

across different networks on the primary storage in the storage part of the record for a copy of the manageable way , system, and article of manufacture is provided. Information and the at least one primary storage, at least one primary device (which is at least one of the I / O access to the main storage managing) herein are written to the storage and at least one corresponding portion (the at least one primary storage, consisting of the first group and being copied) at least one primary storage, at least one primary device (which manages the I / O access to the at least one main storage), and at least one corresponding storage unit (the at least one writing into the main storage are stored in the second group of this being copied to). The main device from the notification of the error in the error according to the copy on the secondary device is received from one of the primary device of the first or second in the group. The freeze command is interrupted to copy the record to the at least one device, the corresponding portion becomes to (issue) of claim 1 with at least one primary device in the first group over the network using the first network protocol. The freeze command is interrupted to copy the record to the at least one portion of the device using a second network protocol corresponding to the second as it becomes at least one primary device in the second group over the network, the. ;