[Ocfs2-users] Large Files Hang Server

[Stefan Priebe - Profihost AG]

@Sunil
So could you recommand generally mount options to set? At the moment 
i've set none.

So is it always a good idea (don't need atime) to set 
data=writeback,noatime,nodiratime any other options?

Stefan

> Did you set the mount option on both nodes or only on the node
> on which you were doing the ls?
>
> Setting it on both nodes, or on the node that  is doing the cp should
> solve the perf issue. What's happening is that the ls on node2 is forcing
> node1 to journal commit. With the ordered data journal mode, the data
> is flushed on commit. Switching to writeback will allow it to commit
> without flushing the data.