No all objects to modify layout
All objects to apply filter are...
 User Defined 257
Making new file ...
-----------------------------------------
 Type     Filter (Compression)     Name
-----------------------------------------
 group                       /
 dset     UD   (1.000:1)     /dset1
 dset     UD   (1.000:1)     /dset2
 dset     UD   (1.000:1)     /dset3
 dset     UD   (1.000:1)     /dset4
 dset     UD   (1.000:1)     /dset_chunk
 dset     UD   (1.000:1)     /dset_compact
 dset     UD   (1.000:1)     /dset_contiguous