I am seeing something wierd on my 3590 volumes..

When a tape becomes full, ie, I receive:

ANR8341I End-of-volume reached for 3590 volume AD0441.

But, when TSM 3.7.3 dismounts the volume, I receive these messages:

ANR8336I Verifying label of 3590 volume AD0441 in drive E5632 (/dev/rmt0).
ANR8355E I/O error reading label for volume AD0441 in drive E5632 (/dev/rmt0).
ANR8468I 3590 volume AD0441 dismounted from drive E5632 (/dev/rmt0) in library 
CCSO3494.

(* this is just one example *)

I do not receive a ANR8355E when a tape is dismounted on a mount retention
expiration...

I have both 3590 J and 3590 K tapes in the library, and the ANR8355E is seen
on both types of tapes and on any of the 7 drives.  A volume audit does not
reveal a problem with the tape(s).  The tapes mount fine, and read through.

Has anyone seen this problem?

I am running AIX 4.3.3 and TSM 3.7.3 (.8)
3590 E1A (2x) drives
Atape 5.3.9
atldd 4.1.5

Nothing appears in the errpt for the drives after the error.

troubling strangness...

thanks in advance,

Bob Booth