DistOS 2014W Lecture 23

Presentations

Distributed Shared Memory Systems - Mojgan

• Introduction to DSM systems
• Advantages and Disadvantages
• Classification of DSM systems
• Design considerations
• Examples of DSM systems

- OpenSSI
- Mermaid
- MOSIX
- DDM

Survey: Fault Tolerance in Distributed File System - Mohammed

• Abstract
• Introductions
  • About fault tolerance in any distributed system. Comparison between different file systems.
  • Whats more suitable for Mobile based systems.
  • Why satisfaction high for fault tolerance is one of the main issues for DFS's ?
• Replication and fault tolerance
  • What is the Replica and Placement policy? What is the synchronization? What is its benefit?

  - Synchronous Method
  - Asynchronous Method
  - Semi-Asynchronous Method

• Cache consistency and fault tolerance
  • What is the cache? What is its benefit? Cache consistency?

 - Write only Read Many (WORM)
 - Transactional Locking - Read and write locks
 - Leasing

• Example DFS mentioned in the paper
  • Google File Systems
  • HDFS
  • MOOSEFS
  • iRODS
  • GlusterFS
  • Lustre
  • Ceph
  • PARADISE for mobile
• Conclusion