OceanStore is a global file system with advanced features that include erasure coding and cryptography. It provides a scalable architecture for distributed data storage and retrieval.
OceanStore is an impressive architecture designed for a global-scale file system. This software utilizes erasure coding, cryptography, and Byzantine agreement to provide available, highly durable storage in a peer-to-peer environment. One of the most notable features of OceanStore is its ability to configure and run hundreds of virtual nodes on dozens of remote machines.
The "run-experiment" script, which is located in the run directory, is the primary tool for launching OceanStore nodes. Most of the benchmark scripts rely on this script, and the information on the OceanStore website applies directly to them as well. When using run-experiment, an experiment file is used to describe what type of nodes to create and where to run them.
To run any experiment, a few environment variables must be set. The "OSTORE_SERVERS" should be set to the desired number of hosts, and "REMOTE_OSTORE_RUN_DIR" should be set to the full path to the run directory on remote machines. If desired, you may also set other variables, such as "REMOTE_OSTORE_USER" and "OSTORE_TMP".
One feature that users may find particularly useful is the ability to disable the copyback process, which copies logs over from remote machines on shutdown. By setting "OSTORE_DISABLE_COPYBACK," users can prevent logs from being copied if they do not plan to review them. Additionally, "KEYSHARE_PREFIX" can be modified to change the set of threshold keys used by the inner ring.
Overall, OceanStore provides a robust and efficient means of storing and managing data on a global scale. Its use of cryptography and erasure coding, in conjunction with the Byzantine agreement, ensures that data is safe and secure even in the face of network failures or malicious attacks. While some users may need to adjust environment variables to optimize their experience, the system is accessible and well-documented.
The "run-experiment" script, which is located in the run directory, is the primary tool for launching OceanStore nodes. Most of the benchmark scripts rely on this script, and the information on the OceanStore website applies directly to them as well. When using run-experiment, an experiment file is used to describe what type of nodes to create and where to run them.
To run any experiment, a few environment variables must be set. The "OSTORE_SERVERS" should be set to the desired number of hosts, and "REMOTE_OSTORE_RUN_DIR" should be set to the full path to the run directory on remote machines. If desired, you may also set other variables, such as "REMOTE_OSTORE_USER" and "OSTORE_TMP".
One feature that users may find particularly useful is the ability to disable the copyback process, which copies logs over from remote machines on shutdown. By setting "OSTORE_DISABLE_COPYBACK," users can prevent logs from being copied if they do not plan to review them. Additionally, "KEYSHARE_PREFIX" can be modified to change the set of threshold keys used by the inner ring.
Overall, OceanStore provides a robust and efficient means of storing and managing data on a global scale. Its use of cryptography and erasure coding, in conjunction with the Byzantine agreement, ensures that data is safe and secure even in the face of network failures or malicious attacks. While some users may need to adjust environment variables to optimize their experience, the system is accessible and well-documented.
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Version 20031026: N/A