File archiving system and method

摘要

A method for archiving a file that has multiple file parts stored on multiple object storage devices of a computer system includes the steps of saving the file parts on one or more archive devices, allowing one or more changes to be made to the file during the saving step, and applying at least one of the changes made during the saving step to one of the file parts stored on a respective object storage device. Furthermore, the method is performed such that the file parts saved on the one or more archive devices do not include the one or more changes made to the file during the saving step.

主权项

1. A method of archiving a file that has multiple file parts stored on multiple object storage devices of a computer system, wherein the file parts include first and second file parts and the object storage devices include first and second object storage devices, and wherein the first file part is stored on the first object storage device and the second file part is stored on the second object storage device, the method comprising:
saving the multiple file parts on one or more archive devices; allowing one or more changes to be made to the file during the saving step; establishing a journal file to receive at least one of the changes made to the file during the saving step; applying at least one of the changes made during the saving step to one of the file parts stored on a respective object storage device; and applying at least one first part change to the first file part stored on the first object storage device after the first file part has been saved on a respective archive device, but before the second file part has been saved, such that the at least one first part change is not sent to the journal file; wherein the file parts saved on the one or more archive devices do not include the one or more changes made to the file during the saving step.