ABSTRACT
This paper describes a new centralized storage system with automated data tiering for use in the private cloud environment of the authors' institute. There are various purposes for a user's activity in the private cloud environment. Both a high-speed storage server and high capacity storage server were needed in the previous implementation. The users could not easily handle their files because they needed to distinguish between their file servers. The new system has both high-speed storage on SSD drives and high capacity storage on SAS drives. Users can save their files on a high-speed volume. The system automatically moves access-less data to lower cost SAS drives. It provides high-speed and low cost storage services at a low power consumption. It has also improved the convenience for users.
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Index Terms
A centralized storage system with automated data tiering for private cloud environment
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