FreeNAS, Openfiler, OpenMediaVault, and NAS4Free are some open source storage projects mentioned. FreeNAS 8.3.0 is an open source NAS based on FreeBSD that is optimized for network storage performance and usability. It supports ZFS, UFS volumes, and sharing data using SMB, NFS, and AppleTalk protocols. ZFS is an integrated file system and volume manager that prioritizes data integrity and allows for self-healing capabilities. FreeNAS also enables automated backups through snapshots and replication using rsync/ssh.

1. Building Open Source Storage For Enterprise
Joel Divekar
GM – Information Systems,
People Interactive (I) Pvt. Ltd.
9th Edition Open Source India,
NIMHANS Convention Centre, Bengaluru, 14th Oct, 2012

2. Open Source Storage Projects

FreeNAS

Openfiler

OpenMediaVault

NAS4Free

3. Introduction of FreeNAS 8.3.0

Open Source NAS based on embedded version of FreeBSD
(nanoBSD)

Optimised for network storage, better performance &
useability

Preferred media for OS installation is USB flash drive or SATA
DOM

Web based administrative GUI

4. Features of FreeNAS - I

FreeBSD jail-based plugin system & NAS features can be
extended using plugin architecture

Supports ZFS version 28

Supports UFS & ZFS volumes

Share data using Appletalk, NFS & SMB protocol

Operation / Administration & Data maintained on physically
separate drives

5. Features of FreeNAS - II

Automated & secure replication of data by rsync / ssh

Automated ZFS snapshots and scrubs

Can integrate with OpenLDAP and ActiveDirectory

6. Z File System (ZFS)
Integrate File System & Volume Management
Data Integrity is the high priority
Designed to continuously check data integrity & do “Self Healing”
Supports Copy-on-Write Transaction
Addresses hardware RAID issues with Data Integrity

7. Data Backup & Restore
Auto data snapshots (Data at point of time)
Snapshots which is 'Read Only' can be cloned to 'Read Write'
Data can be restored from any Snapshot
Snapshot stores data which is changed since last snapshot

8. Thanks a lot for your time ...