indexes with ocfs2

Hi guys!

I'm having performance issues with my dovecot+ocfs2 environment, so I'm thinking about some changes.

Now, I have mail store and indexes stored in a iscsi-ocfs2 volume with that options:

mmap_disable = yes dotlock_use_excl = yes mail_fsync = always mail_nfs_storage = yes mail_nfs_index = yes lock_method = dotlock

I want to change indexes to local volume ext4 and do this:

mmap_disable = no mail_nfs_index = no

Could it cause some problem?

Thanks.