"java.io.IOException: No space left on device" writing to the transaction store in JBoss EAP 5

Issue

Encountering the exception below during transaction commit (prepare step) when writing to the transaction store:

java.io.IOException: No space left on device
    at java.io.FileOutputStream.writeBytes(Native Method)
    at java.io.FileOutputStream.write(FileOutputStream.java:318)
    at com.arjuna.ats.internal.arjuna.objectstore.ShadowingStore.write_state(ShadowingStore.java:750)
    at com.arjuna.ats.internal.arjuna.objectstore.FileSystemStore.write_committed(FileSystemStore.java:212)
    at com.arjuna.ats.arjuna.objectstore.ObjectStore.write_committed(ObjectStore.java:276)
    at com.arjuna.ats.arjuna.coordinator.BasicAction.prepare(BasicAction.java:2579)
    ...