(also) serious HSM problems on IRIX 6.5.3

After having serious problems with ADSM/HSM on IRIX 6.5.2, I did try the
same tests on IRIX 6.5.3, (ADSM/HSM 3.1.0.6)

(I send this to the ADSM-L before with subjects:
 "serious HSM problem on IRIX 6.5.2" and
 "another serious HSM problem on IRIX 6.5.2")

Well, on IRIX 6.5.3 it's even worser:

# /usr/adsm/dsmls /disk2/test1
ADSTAR Distributed Storage Manager
space management Interface - Version 3, Release 1, Level 0.6
(C) Copyright IBM Corporation, 1990, 1995, 1997. All Rights Reserved.

      Actual     Resident     Resident  File   File
        Size         Size     Blk (KB)  State  Name
    52428800         4096            8  m      test1

After cp /disk2/test /disk2/bla, file bla looks like:

# ls -la /disk2/bla
-rw-r--r--    1 root     sys         4096 Feb 15 19:50 /disk2/bla
So, only the resident (=stubsize) is copied.
So, only the resident (=stubsize) is copied.

This is something that worked in IRIX 6.5.2, actually, if this doesn't
works, you better can stop with HSM...

Another test, which failes on IRIX 6.5.2 :

(cp or mv a migrated file to another filesystem)

cp /disk2/test1 /net/cowboy/hthta/test/bla

# ls -la /net/cowboy/hthta/test/bla
-rw-r--r--    1 root     sys      52428800 Feb 15 19:57 
/net/cowboy/hthta/test/bla
Well, well, well, this is something that didn't worked on IRIX 6.5.2,
Well, well, well, this is something that didn't worked on IRIX 6.5.2,
but workes now. And 'mv' also workes.

Another test which failes on IRIX 6.5.2:

(copying a file to 4 other files, ends up with 2 'big files' and
 2 'small files)

# /usr/adsm/dsmls /disk2/test1
ADSTAR Distributed Storage Manager
space management Interface - Version 3, Release 1, Level 0.6
(C) Copyright IBM Corporation, 1990, 1995, 1997. All Rights Reserved.

      Actual     Resident     Resident  File   File
        Size         Size     Blk (KB)  State  Name
    52428800         4096            8  m      test1

# cp test1 testa&
[1]     1423
# cp test1 testb&
[2]     1402
# cp test1 testc&
[3]     1393
# cp test1 testd&
[4]     1429

# /usr/adsm/dsmls /disk2/test[a-z]
ADSTAR Distributed Storage Manager
space management Interface - Version 3, Release 1, Level 0.6
(C) Copyright IBM Corporation, 1990, 1995, 1997. All Rights Reserved.

      Actual     Resident     Resident  File   File
        Size         Size     Blk (KB)  State  Name
        4096         4096            4  r      testa
        4096         4096            4  r      testb
    52428800     52428800        51200  r      testc
    52428800     52428800        51200  r      testd

Hm, testa and testb are rather small, don't you think?

Anyone see this before?
Any help would be appreciated.

Cheers,
Henk ten Have.