Storage apparatus, controller and storage apparatus control method

摘要

An apparatus including: a first storage for storing first data;;second storages for storing the first data; a storage controller for storing the first data stored in the first storage into the second storage; a third storage for saving data including second data; a saving device for reading the data and saving the data in the third storage; a data set output device for outputting the data to a copy destination device; a restoration device for storing the data saved in the third storage into available ones of the second storages; and a suspending device for causing the data set output device to output all of the data stored in the second storage to the copy destination device and then suspending the output of the data by the data set output device to the copy destination device to place the data set output device in a suspend state.

主权项

1. A storage apparatus comprising:
a first storage for storing first data sent from a host device; a plurality of second storages for temporarily storing the first data; a data storage controller for storing the first data stored in the first storage into one of the plurality of second storages; a third storage used for saving a set of data including second data stored in each of the plurality of second storages; a saving device for, depending on availability of each of the plurality of second storages, reading the set of data in each of the plurality of second storages and saving the read set of data in the third storage; a data set output device for outputting the set of data stored in the each of the plurality of second storages to a copy destination device that is connected to the data set output device and is able to communicate with the data set output device, the set of the data being outputted from the data set output device to the copy destination device in the order in which the data is inputted to the second storage; a restoration device for storing the set of data saved in the third storage into available ones of the plurality of second storages; and a suspending device for, in response to a suspend instruction, causing the restoration device to end the storing the set of data saved in the third storage into available ones of the plurality of second storages in the restoration device and then after causing the data set output device to output all of the set of data stored in the plurality of second storages to the copy destination device, suspending the output of the set of data by the data set output device to the copy destination device to place the data set output device in a suspend state.