       COMPAQ D                                                          AV-Q7T0H-TE    April 2001       )  Dear Disk File Optimizer (DFO) customer:     @  Thank you for your recent purchase of Disk File Optimizer (DFO)A  Version 2.6 for OpenVMS. DFO operates in a mixed OpenVMS cluster B  environment. The kit you have just received includes both the VAX@  and Alpha portions needed for this product, Disk File Optimizer  2.6 for OpenVMS.   C  DFO for OpenVMS Version 2.6 runs on OpenVMS VAX versions 6.2, 7.1, C  7.2 and 7.3, and OpenVMS Alpha versions 6.2, 7.1-2, 7.2-1 and 7.3. ?  DFO V2.6 is no longer compatible with OpenVMS VAX version 5.5- A  2. H-kits have been obsoleted with this release as tk50 and 16mt 2  media are no longer available to fulfill this on.  C  Through customer feedback and suggestions, the Disk File Optimizer C  software continues to improve. Disk File Optimizer for OpenVMS 2.6 ,  has the following changes over Version 2.5:     o  Compatible with OpenVMS 7.3.  C     DFO V2.6 is qualified for disks connected on the Fibre Channel. ?     OpenVMS Version 7.3 provides support for Fibre Channel (FC) C     connected disk devices. This is accomplished through the use of B     Modular Data Router (MDR) connected to the FC Switch. MDR con-A     verts Fibre Channel protocol to SCSI protocol, which the disk B     device understands. DFO V2.6 has qualified this new feature inB     OpenVMS 7.3 as used with MDR. Please refer to OpenVMS V7.3 for1     a complete listing of supported disk devices.   6  o  DFO command can now be up to 1024 characters long.  !  o  Bugfixes found in ECO V2.5-1.   4  Please refer to the release notes for more details.  9  Once again, thank you for your purchase of this product.     Sincerely,         OpenVMS Product Management   CXOSWPM@compaq.com $   2001 Compaq Computer Corporation.  All Rights Reserved. 