I have posted a proposal (http://www.t10.org/ftp/t10/document.08/08-388r0.pdf) to resolve LB IBM-027 (PEWZ relation to REW)

Kevin D. Butt
SCSI & Fibre Channel Architect, Tape Firmware
MS 6TYA, 9000 S. Rita Rd., Tucson, AZ 85744
Tel: 520-799-2869 / 520-799-5280
Fax: 520-799-2723 (T/L:321)
Email address: kdbutt@us.ibm.com
http://www-03.ibm.com/servers/storage/