During the upgrade process, the transaction log may get full due to the catalog changes that are made. If so, log in to the new server using isql, and issue:
dump tran dbname with no_logThis frees the log space, and allow the upgrade process to continue.
In some cases, the pre-upgrade space estimations are insufficient for the data copy phase of the upgrade process. In this case, an error is generated letting you know there is insufficient space in the system segment for the upgrade. The upgrade process stops and waits for space to be provided.Log in to the new server using isql, and use alter database to increase the size of the database.
alter database dbname on device_name = "2m"