The Effect of Log Control Method on the Performance of Asynchronous Backup
Youhei Abe, Haruo Yokota · 2003
We proposed the autonomous disks as an approach to efficient management for large scale storage systems. The autonomous disks configure a storage cluster with no centralized controller, and store data into duplicate portion, primary and backup, to realize the high availability. To keep consistency between the primary and backup, log based asynchronous catch-up mechanism is adopted. The performance of the asynchronous catch-up is affected by log control methods and access frequency pattern from clients. In this paper, we evaluate the relationship between the performance of catch-up and environment using pseudo autonomous disks constructed from PCs and LAN.