This looks like it occurs when reclamation is attempted for the same volume
more than once.

>ANR1041I Space reclamation ended for volume 717579.

>ANR5209I Dismounting volume 717579 (read-only access).

>ANR5208I Dismounting volume 082146 (updated).

>IEF234E K 410,082146,PVT,ADSM,ADSM

>ANR1410W Access mode for volume 717579 now set to "unavailable".

>ANR1180W Access mode for volume 717579 has been set to "unavailable" due to

>ANR1180W file read or integrity errors.

Carol Trible