B-Tree File system Features

A presentation on B-Tree File system (Btrfs) Features / (Quotas) Quality Assurance.

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1. PROJECT DONE BY PRANEETH U 1OY10MCA08 UNDER THE GUIDANCE OF INTERNAL GUIDE – RAVISH GK EXTERNAL GUIDE – KIRAN T PATIL B-Tree File System Quotas Quality Assurance Submitted in partial fulfillment of requirement for the VI Semester MCA Project
2. Open Source Project  OpenSource – Source code for free ! But not software.  All free software are not OpenSource. Tools used in opensource software development  Communication channels.  Version Control Systems.  Bug Trackers.  Testing Tools.  Package management.
3. Review of Literature  Linux Kernel  GNU Linux  File System  B-Tree File System  Features of Btrfs  Advantages of Using Btrfs  Btrfs vs Other File systems
4. Data Protection techniques in Btrfs Snapshot A snapshot is the state of a system at a particular point in time.
5. SNAPSHOTS MASTER SNAPSHOT - 1 SNAPSHOT - 2 SNAPSHOT - 3 SNAPSHOT - 4 DATA SNAPSHOTS CONTAIN LOGICAL COPY OF DATA CLONE
6. MD5 SHA1 SHA256 CRC DATA META DATA CHECKSUM SCRUB if checksum mismatch happens
7. RAID 0 Blocks are Striped. No Mirror. No Parity BLOCK 1 BLOCK 3 BLOCK 5 BLOCK 6 BLOCK 4 BLOCK 2 DISK - 1 DISK - 2
8. RAID 1 Blocks are Mirrored. No Stripe. No Parity BLOCK 1 BLOCK 2 BLOCK 3 BLOCK 3 BLOCK 2 BLOCK 1 DISK - 1 DISK - 2
9. RAID 10 BLOCK 1 BLOCK 2 BLOCK 3 BLOCK 3 BLOCK 2 BLOCK 1 DISK - 1 DISK - 2 BLOCK 3 BLOCK 2 BLOCK 1 BLOCK 3 BLOCK 2 BLOCK 1 DISK - 4 DISK - 3 MIRRORING MIRRORING RAID 0 RAID 1 RAID 1 STRIPING
10. COMPARISION DISK - 1 DISK - 2 RAID LV LV LV LV FS OTHER
11. GIT – Distributed Version Controller
12. Quotas
13. My Work
14. Git Branch
15. My work in GIT Branch
16. CONCLUSION DEVELOPMENT