ANR1431E
An error occurred while writing to side A of volume volume name. An attempt will be made to write to side B of this volume.

Explanation

An error occurred while writing to side A of a two-sided volume.

System action

No additional data will be written to side A of this volume. Any remaining space on side A will not be used. An attempt will be made to use the reverse side (side B) of the volume.

User response

None required if the side B can be used successfully. However, the administrator should investigate the cause of the error and may want to move data from this volume.