GlusterFSport [FreeBSD WIKI]

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Project Description:
%%GlusterFS%% is an open source NAS file system with very good scalability. %%GlusterFS%% has a modular, stackable design and a unique, no-metadata server architecture. %%GlusterFS%%  is now used in various applications in this "big data" era, for instance, scalable cloud storage with replication.

%%GlusterFS%% is a userland filesystem based on FUSE, it first came out on Linux, so the code relies a lot on Linux semantics. Now %%GlusterFS%% can run on %%NetBSD%% as well. Although the code doesn't compile on %%FreeBSD%% right now, the availability of FUSE in %%FreeBSD%% now also makes it possible to port it to %%FreeBSD%%.

In this project, I'll try to make %%GlusterFS%% fully work on %%FreeBSD%%. Thus we can take full advantage of %%GlusterFS%%' various capabilities, i.e., we can make many ZFS enabled machines into a large storage cloud.

Deliverables:

1.Make changes to make the code compile on %%FreeBSD%%

2.Fix all semantic-difference (between Linux and %%FreeBSD%%) problems

3.Write /etc/rc.d script and add auto-configure and auto-build support

4.Package it all and submit to %%FreeBSD%% Port

Quick Start:

1. Download source code from: https://github.com/cosql/glusterfs

git clone https://github.com/cosql/glusterfs

2. Build and install gluster code

make & make install

3. Add a new disk and create a partition on the disk

For example,

newfs /dev/da2s1a &&

mount /dev/das1a /mnt

4. Create a gluster volume

gluster volume create gv0 replica 2 $server_ip:/mnt/exp1 $server_ip:/mnt/exp2\\ 
gluster volume gv0 start

5. Check volume status

gluster volume info

6. mount

glusterfs --log-file=log --log-level=INFO --volfile-id=gv0 --volfile-server=$server_ip %%<%%mount_point>

Now you can have fun with your mounted gluster volume.

Test Plan:

I'm planning to test the code on a local machine and in a distributed system as well. I'll use the following test suites to evaluate correctness, stability and performance of the changes

Regression testsuite framework for  functional degradation([[https://github.com/amarts/regression]])
Posix compliance  test suite, blogbench tests, fsx test

Work Plan:

1.Fix all the errors while compiling(May 27th - June 9th)

2.Make changes for %%FreeBSD%% semantic peculiarities (June 10th - June 30th)

3.Run and pass regression test (July 1st - July 21st)

4.Work on mid-term report (July 22nd - July 29th)

5.Add auto-build support and write /etc/rc.d script(July 30th - August 3rd)

6.Run Posix compliance test, blogbench test and fsx test (August 4th - August 31th)

7.Finalize and submit the changes to %%GlusterFS%% and make the package available in %%FreeBSD%% Ports. (September 1st - September 15th)

8.Cleanup all the work and submit final report(September 16th - September 27th)