Currently, the way SAS preallocates volumes is that the volumes are used in the order in which they are specified. If you encounter a volume that does not have enough free space to satisfy your request, SAS terminates the job with a B37-04 error instead of skipping that volume and going to the next volume. A Technical Support hot fix for Release 8.1 TSLEVEL 1M0 for this problem is available at: http://www.sas.com/techsup/download/hotfix/81_sbcs_prod_list.html#005642 A Technical Support hot fix for Release 8.2 TSLEVEL 2M0 for this problem is available at: http://www.sas.com/techsup/download/hotfix/82_sbcs_prod_list.html#005642 For customers running SAS with DBCS extensions, this hot fix should be downloaded from: http://www.sas.com/techsup/download/hotfix/82_dbcs_prod_list.html#005642 This is fixed in SAS System 9.