Data storage and archiving spanning multiple data storage systems

摘要

Mutable portions of data are stored in a first storage system and immutable portions of the data are stored in a second storage system. Immutable portions and mutable portions of the data associated with the same time period are initially archived. After a period of time since the initial archiving, the mutable portions of the data from the first storage system that have been modified are supplemental archived. Integrity verifications of successfully performing the initial archiving and supplemental archiving are stored.

主权项

1. A method of archiving data stored in a plurality of data storage systems, the method comprising:
storing mutable portions of data in a first storage system; storing immutable portions of the data in a second storage system; performing, by a computer, an initial archiving of immutable portions of the data associated with a time period and of mutable portions of the data associated with the time period, wherein the immutable portions associated with the time period are stored in the second storage system and the mutable portions associated with the time period are stored in the first storage system; storing an initial integrity verification of successfully archiving the mutable and immutable portions associated with the time period in response to determining the initial archiving is successful; performing, after a period of time since the initial archiving was performed, a supplemental archiving of the mutable portions of the data from the first storage system that are associated with the time period; and storing a supplemental integrity verification of successfully archiving the mutable portions associated with the time period in response to determining the supplemental archiving is successful.