[Linux-cluster] Minimum journal size

[David Teigland]

On Tue, Feb 06, 2007 at 05:27:43PM -0800, Lin Shen (lshen) wrote:
> How a smaller than minimum journal size (32MB) would potentially affect
> the file system? In other words, would it most likely to affect
> performance or data integrity? Understanding those will help us to test
> It out.

I was curious, so I did:

  lvcreate -L 512MB -n small bench
  gfs_mkfs -X -J 16 -r 16 -j 4 -p lock_dlm -t bench:s /dev/bench/small 

mounted the fs on four nodes, and ran some misc load on all nodes;
it worked fine.

Dave