home *** CD-ROM | disk | FTP | other *** search
- ══════════════════════════════════════════════════
- DCF/2 Release Version 1.1b Release Notes
- ═══════════════════════════════════════════════════
-
- Congratulations, you have successfully installed the DCF/2 and
- created your VDUs! The next step is to read through the
- following release notes for the latest information about DCF/2
- Version 1.1b.
-
- Before exiting the DCF/2 install program, it will ask you if
- you would like to have your system restarted at this time.
- You can choose to exit the program and do the restart yourself
- later, if it is inconvenient for you to restart your system now.
-
- However, the DCF/2 device statements added to your CONFIG.SYS will
- not take effect nor will your VDUs be formatted until your system
- has been restarted.
-
-
- ═══════════════════════════════════════════════════
- What Happens After Your System is Restarted
- ═══════════════════════════════════════════════════
-
- Once you have successfully created your VDUs and your system
- has been rebooted, each of your VDUs will automatically be
- formatted using the HPFS format. This will happen prior to
- the time OS/2 loads the Workplace Shell.
-
- The format begins automatically. Follow the prompts on your
- screen. The formatting process can take from a few seconds
- (using the "NOF" switch) to a couple of minutes without it --
- depending upon the size of the drive being formatted and the
- speed of your computer.
-
- Once format completes, you have an opportunity to enter a
- volume label for the VDU. Then the DCF/2 uses OS/2's
- CHKDSK /F to check the newly formatted drive. Be sure to
- "press any key to continue" when prompted to do so! This
- process repeats for each of the VDUs you created during
- the installation program.
-
-
- ═══════════════════════════════════════════════════
- The DCF/2 Startup -- the First Time
- ═══════════════════════════════════════════════════
-
- The DCF/2 startup continues, the DCF/2 Space Manager starts
- and the Workplace Shell comes up. At this point, your VDUs
- are formatted, empty and available. You may now begin to
- move data and user files onto them -- using the tools you
- normally use to move directories and files on your system.
-
-
- ═══════════════════════════════════════════════════
- During the Normal DCF/2 Startup Process
- ═══════════════════════════════════════════════════
-
- When you turn your computer on (or following a warm or cold
- restart), prior to OS/2 loading the WorkPlace Shell, the VDU
- Control Processes will be detached, the DCF/2 Startup will be
- processed and the DCF/2 Space Manager will start. If you
- need to, you can abort or interrupt the these load processes.
-
- During normal startup, you'll hear a series of beeps -- a
- single short beep, followed by a five second pause and two
- more short beeps. You will also see a countdown indicator on
- the screen. After the first beep (before the countdown indicator
- reaches zero), depress the CONTROL key to interrupt the startup
- process and exit to an OS/2 command prompt.
-
- To abort the DCF/2 load process altogether, depress one or both
- of the SHIFT key(s). (If your VDUs are not yet formatted, the
- pause between the single and two beeps will be 2 1/2 instead of
- 5 seconds.) We also put a line of text on
- your screen, instructing you to press <CONTROL> to interrupt
- the load process and launch an OS/2 command processor or <SHIFT>
- to abort the load altogether.
-
-
-
- ═══════════════════════════════════════════════════
- The Auto-Checking Feature
- ═══════════════════════════════════════════════════
-
- If your system is improperly shutdown, e.g., you turn it off
- without running the DCF/2 System Shutdown program, you have a
- power failure, or your system experiences a trap or the system
- hangs necessitating a reboot, the DCF/2 will automatically run
- CHKDSK /F on each VDU during the OS/2 boot process. This
- checks your VDUs for errors and makes the necessary repairs
- and helps to prevent you from accessing a damaged VDU and
- causing irreparable harm.
-
- You can use CONTROL-C to terminate this process. However,
- as a safeguard, the VDU remains "dirty" until you run
- CHKDSK /F on it -- even if you run a proper shutdown using
- the DCF/2 System Shutdown.
-
-
- ═══════════════════════════════════════════════════
- The DCF/2 Space Manager File
- ═══════════════════════════════════════════════════
-
- Each VDU has a DCF/2 Space Manager File, DCF2INFO.CMD. This
- file reports the VDU's current compression ratio and available
- compression ratio after recompaction. This file also reports
- the total size of, amount of space in use by and space
- available on both the VDU's physical host drive and for the
- VDU itself.
-
- While the DCF2INFO.CMD file provides you interesting
- information about both physical and virtual space in use and
- available, its real purpose is to protect you from running out
- of physical space on the VDU's host drive -- a condition which
- will jeopardize the integrity of the VDU.
-
- The file may appear to be very large at times. In reality,
- it occupies very little space and is stored in the VDU's Disk
- Allocation Table in single-byte entries. It is updated at
- regular intervals until such time as the physical space
- available falls below the acceptable minimum. At that point,
- it is updated every second.
-
- To display the file, go to an OS/2 command prompt and type the
- VDU drive letter followed by a colon and DCF2INFO, e.g.,
- X:DCF2INFO. (If you are not in the root, use \X:DCF2INFO.)
- exit, type Control-C.
-
-
- ═══════════════════════════════════════════════════
- DCF/2 Monitor LEDs
- ═══════════════════════════════════════════════════
-
- The DCF/2 Monitor LEDs offer a visual check of VDU activity.
- The LED flashes red during writes, blue during reads, green
- during compression, and yellow during decompression.
-
-
-
- ═══════════════════════════════════════════════════
- Running the DCF/2 OS/2 System Shutdown
- ═══════════════════════════════════════════════════
-
- During the DCF/2 installation, a DCF/2 Shutdown icon was
- placed on on your OS/2 Desktop. By using the DCF/2 System
- Shutdown instead of the normal OS/2 Shutdown, you do two
- things:
-
- First, you insure that all of your VDUs are shutdown
- properly and that the shutdown process continues through
- the final Control-Alt-Delete box.
-
- Second, by using the DCF/2 System Shutdown, you bypass the
- DCF/2 auto-check feature at system startup. Depending upon the
- number of VDUs you have and their size, the auto CHKDSK /F
- process can be a time consuming one. It's time you could have
- saved by using the DCF/2 System Shutdown program.
-
- Refer to the DCF2 Online Help for the optional parameters are
- available for the SHUTDOWN.EXE program shipped with the DCF/2.
- These can be added to the optional parameters line in the DCF/2
- System Shutdown program's settings notebook.
-
-
-
- ═══════════════════════════════════════════════════
- Optimizing Your VDUs
- ═══════════════════════════════════════════════════
-
- This version includes the DCF2PAKR utility. It provides the
- mechanism to purge your VDUs of deleted and lost space and
- then to recompress each "chunk" of data stored in your VDU(s).
-
- It is not a utility you will run on a daily basis -- but rather
- weekly or as you feel necessary. Refer to the online help or
- DCF/2 documentation for the approximate time "optimization" will
- require on your particular system and specific commands to use.
-
-
-
- ═══════════════════════════════════════════════════
- Getting Technical Support
- ═══════════════════════════════════════════════════
-
- Technical support is available online via CompuServe
- (GO OS2AVEN) in the OS/2 Vendor Forums. Select Proportional
- (section 6) to post a forum message or send email to CompuServe
- ID 71333,2765. Online support is also available via IBMLink,
- OS2DCF2 Cforum.
-
- Telephone support is available to registered users only at
- (303) 484-2400 and fax support is available at (303) 484-2670.
- Hours for telephone support are Monday through Friday, from
- 8:00 a.m. until 4:00 p.m. Mountain Time.
-
-
- ═══════════════════════════════════════════════════
- DCF/2 Registration
- ═══════════════════════════════════════════════════
-
- Your DCF/2 package includes a registration card. Please take
- the time to fill out your registration card and return it to
- us so that we can notify you when updates to the DCF/2 are
- available.
-
- If you are interested in testing future releases of the DCF/2,
- please check the "Beta" test program box. All registered users
- who would like to beta test are eligible to do so. Access to
- CompuServe is required.
-
-
- ═══════════════════════════════════════════════════
- Acknowledgments
- ═══════════════════════════════════════════════════
-
- All of us at Proportional Software want to thank all of you
- for your patience and understanding during the repeated delays
- in shipping Version 1.1b of the DCF/2.
-
- Our special thanks go to the entire IBM team and the following
- individuals have provided special support:
-
-
- Mr. Felix Miro
- Mr. Colin Powell
- Mr. Jack Boyce
- Ms. Carol Brey
- Mr. Orlando Portela
- Mr. Charles Buck II
- Ms. Robin Frank
- Mr. Toby Pennycuff
- Mr. Tim Heacox
- Mr. David Jackson
- Our fellow ISV's
-
-
- And especially to our customers, your faith in us and the DCF/2,
- has kept us going when it would have been easier to give up!
-
- Without your support and patience, our dream of the DCF/2 would
- never have come true.
-
- Thank you!
-
-
- ═══════════════════════════════════════════════════
- KNOWN BUGS and PROBLEMS
- ═══════════════════════════════════════════════════
-
- If you shutdown the DCF2ACP and then click on the icon of a
- program on the VDU, you will cause a Trap D.
-
- If you run out of physical space on the VDU's host drive, you
- may get a real scary message about missing root directory or
- not being able to critical data.
-
- Free up space on the host drive. Restart you system
- and either allow the DCF/2 AutoCheck to check the drives, or
- run the CHKDSK /F on each drive once your desktop comes up and
- you can do so in the background while you can see the VDU LEDs
- flicker.
-
- The DCF/2 Shutdown icon on the desktop requires that you
- double click on it not once but twice. The first arms it,
- the second executes it. You can use the '/S' switch to
- bypass the arming operation if you don't autostart programs.
-
- Occasionally the DCF2INFO.CMD space management file for a
- VDU will report a number of negative compressed chunks (of
- data) are being stored in your VDU. If you run CHKDSK /F or
- /F:3 on the VDU, no errors are reported. It appears to be
- the result of a bug somewhere in the space calculations. The
- VDU itself is, as CHKDSK reports it, fine.
-
- Check your VDUs periodically (especially after a dirty
- CHKDSK) for big files in the FOUND.xxx directory. The
- DCF2INFO.CMD space management file could be placed in here by
- CHKDSK. Delete these files.
-
- If you don't back up your data, whether on a physical or a
- DCF/2 compressed drive on a regular basis, and a drive
- fails, you will be very unhappy. Solution: backup ALL of
- you data on a regularly!
-