I think this is the problem:

/dev/redo1_lv -- /redolog1 jfs2 32768000 rw yes
no
/dev/redo2_lv -- /redolog2 jfs2 32768000 rw yes
no
/dev/archive_lv -- /archivelogs jfs 65536000 rw yes
no
/dev/oradata_lv -- /oracledata jfs2 405536768 cio,rw yes
no
/dev/oraindex_lv -- /oracleindex jfs2 305659904 rw ye
s no
/dev/ifsdoc_lv -- /ifsdoc jfs 403701760 rw yes
no


The CIO is known to cause performance issues when copying at OS level.

We are not sure how it got set on, but how can we turn it off!!!