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1996-10-09
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════════════════════════════════════════════════
BACKMASTER DISASTER RECOVERY DISKETTE IMAGES README.
════════════════════════════════════════════════
This file contains information about specific problems you may
encounter and specific system configurations.
NOTES:
These disaster recovery diskette images are for OS/2 WARP Version
4.0 Only !!!, do not use these diskettes for any lesser version of OS/2.
These diskettes only do not support PS/2 model systems or SCSI
devices by default, to get support for PS/2 or SCSI contact Tech
Support. If you need disaster recovery diskettes for any other
version of OS/2 please read Section #15.
Topics covered in this readme file:
0. - About these diskettes
1. - Version of OS/2
2. - Creating recovery diskettes
3. - New driver options for specific problems
4. - Low memory systems (12MB or less)
5. - Enabling Swap Memory for Low memory systems
6. - Adaptec controllers
7. - Bus timing and BackMaster DMA overrun error
8. - Colorado Trakker driver switches
9. - Device driver conflicts
10. - Older tape drives (Hard Select)
11. - TC-15M high-speed adapter
12. - Repairing Master Boot Record - Removing Boot Managers
13. - SYSINSTX.COM - OS/2 System Files Utility
14. - Index of Included utility's and files
15. - Recovery Diskettes for other versions of OS/2
16. - Technical support
════════════════════════════════════════════════
0. - About these diskettes
════════════════════════════════════════════════
MSR Development Technical Support created these custom boot
diskettes to minimize any system and driver conflicts, if at all posible.
These disk's will allow you to boot most standerd PC's, and provide
you access to run BMREST and other command line utiltys.
════════════════════════════════════════════════
1. - Version of OS/2
════════════════════════════════════════════════
These Custom BackMaster Disaster Recovery Diskette Images were
created on a OS/2 Warp 4.0 system and contain version specific files
for that level of OS/2. UNDER NO CIRCUMSTANCES SHOULD YOU USE
THESE DISASTER RECOVERY DISKETTES WITH ANY OTHER VERSION
OF OS/2 WARP THAN VERSION 4.0, UPGRADE OR FULL INSTALL.
════════════════════════════════════════════════
2. - CREATING DISASTER RECOVERY DISKETTES:
════════════════════════════════════════════════
REQUIRED: (2) Blank diskettes, Label diskette's as follows:
Diskette 1 - BackMaster Boot Diskette [01/02]
Diskette 2 - BackMaster Utility Diskette [02/02]
The included makedsk.cmd (OS/2) and makedsk.bat (DOS) file's help
you to create the two disaster recovery diskettes required required
for BackMaster Disaster Recovery under OS/2 Warp 4.0.
Adding Floppy Tape support:
The BackMaster Boot Diskette is created by default with support.
Adding Parallel Port Tape support:
Edit the config.sys file on the boot diskette and remove the REM
comment at the begining of the device statement for the ptdvr.sys
driver.
Adding Trakker Tape support:
To enable the BackMaster Boot Diskette to load the device driver
for Trakker tape devices, simply delete the file ptdvr.sys from the
BackMaster Boot Diskette and copy the file ttdvr.sys from your
BackMaster dirrectory to the diskette. Then edit the config.sys
file on the boot diskette and remove the REM comment at the
begining of the device statement for the ttdvr.sys driver.
Adding TC-15M high-speed adapter support:
To enable the BackMaster Boot Diskette to load the device driver
for TC-15M high-speed adapters, simply delete the file ftdvr.sys
from the BackMaster Boot Diskette and copy the file tc15dvr.sys
from your BackMaster dirrectory to the diskette. Then edit the
config.sys file on the boot diskette and remove the REM comment
at the begining of the device statement for the tc15dvr.sys driver.
════════════════════════════════════════════════
3. - New driver options for specific problems
════════════════════════════════════════════════
You may have to edit the config.sys on the BackMaster Boot
diskette to enable these following options.
Options supported by the BackMaster device drivers:
/J1 can be used with the following devices:
Generic 2.88 meg floppy controllers, Iomega Ditto Dash Card, Conner
Tape Accelorator, Colorado FC-10, TC-15, FC-20, Iomega Ditto 800,
850, 1700, 3200 Parallel Devices, Conner Tapestor 800, 850, 1700
Parallel Devices
Adapter Example: DEVICE=A:\FTDVR.SYS /J1
Parallel Example: DEVICE=A:\PTDVR.SYS /J1
/J2 - Forces a rewind after tape operations finish. For use on older
tape drives such as the Archive XL, Colorado 250/350.
/S - This option may overcome excessive "Shoe Shining" encount-
ered on some systems.
/M - For Low Memory Systems (see section 6 and 7) and also
systems getting a DMA overrun error message (error number 51).
An example of adding all four switches to the BackMaster driver
in the CONFIG.SYS file on the BackMaster Boot Diskette.
REM *********** BackMaster tape drivers start here *********
DEVICE=A:\FTDVR.SYS /J1 /J2 /S /M
════════════════════════════════════════════════
4. - Low memory systems (12MB or less)
════════════════════════════════════════════════
If you are running Warp 4.0 with 12MB of memory or less, and
experience problems running BMREST, try adding the '/M' driver
memory enhancement option to the BackMaster drivers in
CONFIG.SYS on your boot floppy as follows:
DEVICE=A:\XXXXX.SYS /M - X's being the driver you use.
(If you use the '/M' option, NEVER load more than one
driver at a time in the CONFIG.SYS.)
════════════════════════════════════════════════
5. - Enabling Swap Memory for Low memory systems
════════════════════════════════════════════════
If you use the '/M' option, and you still need more memory try
enabling OS/2's memory swapping. Find the following line in
A:\CONFIG.SYS on the BackMaster Boot Diskette
(it should be near the top of the file):
MEMMAN=NOSWAP
Change this line to read: MEMMAN=SWAP,PROTECT
Directly after the MEMMAN line, insert the following line.:
SWAPPATH=C:\ 2048 2048
If want to place the swapfile on a drive other than drive C:,
substitute the appropriate drive letter in place of C: .
Now save the file CONFIG.SYS to the A: drive and exit the editor.
Remember, if you have 12 MB or more of memory, you will probably
not need the set of recovery boot diskettes with swapping enabled.
════════════════════════════════════════════════
6. - ADAPTEC CONTROLLERS
════════════════════════════════════════════════
If you have an Adaptec Busmaster controller, the following
CONFIG.SYS setting is suggested:
BASEDEV=AHA154X.ADD /V /A:0 /BON:4 /A:0 /BOFF:12
/V displays messages during bootup. /A:0 specifies the first of four
possible adapters, and is necessary even if only one adapter is
installed. /BON:4 sets the bus on time to 4 microseconds. /BOFF:12
sets the bus off time to 12 microseconds. Most of this information
may be found in the Command Reference under BASEDEV. The
above BASEDEV setting gives the floppy controller enough time on
the bus to transfer enough data (by DMA) to keep the tape moving.
════════════════════════════════════════════════
7. - Bus timing and BackMaster DMA overrun error
════════════════════════════════════════════════
BackMaster may not work correctly if your system bus timing is set
higher than 8 MHZ. Tape drives are very sensitive to hardware timing
and an abnormal bus speed may result in operational problems or
errors reported by BackMaster. If you are consistently getting a DMA
overrun error message (error number 51) we suggest checking your
hardware settings. Experiment with the bus speed, setting it as close
to 8MHz as possible. If your system supports the 7.15MHz or 7.25MHz
settings, these will usually work best.
Note: The Auto-configuration option (if your setup has one) MUST
be disabled in order for the new bus speed settings to take effect.
Anouther option is to use the "/M" driver switch, which usually is only
needed for low memory systems of 12 megs or less. The /M switch will
load BackMasters driver into DMA memory durring the bootup cycle,
allocation a place in DMA memory for the driver.
════════════════════════════════════════════════
8. - Colorado Trakker driver switches
════════════════════════════════════════════════
If you experience problems with your trakker tape drive, you may
need to set the data or control delay, or both. Adjustments are not
necessary unless the device is not working properly. Data and
control delays may be set in the BackMaster Recovery Utility
durring configuration before you start to restore.
Problems may include the following: "Unable to initialize tape drive"
error message, aborting due to restore or verify error, extremely
slow tape drive operations, excessive back and forth tape motion.
════════════════════════════════════════════════
9. - Device driver conflicts
════════════════════════════════════════════════
The BackMaster device drivers, FTDVR.SYS, TC15DVR.SYS,
PTDVR.SYS, and TTDVR.SYS may on some systems have conflicts
with other device drivers. The driver conflicts may cause an
"Unable to open driver" error message or an OS/2 TRAP 000D. To
avoid the driver conflicts, make sure that FTDVR.SYS, TC15DVR.SYS,
PTDVR.SYS, and TTDVR.SYS are loaded in CONFIG.SYS on diskette 2
at the very bottom. By default the BackMaster driver statements
are already at the bottom of the config.sys, all other device driver
statements have been removed from the config.sys to prevent any
conflicts
════════════════════════════════════════════════
10. - Older tape drives (Hard Select)
════════════════════════════════════════════════
The list of tape drives in the "Configuration" dialog of BMREST
refer's to Soft Select tape drives (most of the newer tape drives are
Soft Select), and will not correctly select the older Hard Select type
of tape drive. If you have a Hard Select tape drive, select the
"Generic QIC 40/80" tape drive from the "Configuration" "Restore
From" list. Refer to the documentation that came with your tape
drive to determine which type of tape drive you have. In general,
Hard Select drives may have jumpers to select the drive (A or B)
and will only function as the A or B device, but not as a third device.
════════════════════════════════════════════════
11. - TC-15M high-speed adapter
════════════════════════════════════════════════
BackMaster supports the TC-15 high-speed adapter, but does not
support the TC-15M high-speed adapter, which is the microchannel
version of the TC-15.
════════════════════════════════════════════════
12. - Repairing Master Boot Record - Removing Boot Managers
════════════════════════════════════════════════
Hard drive devices use a Master Boot Record (MBR) to allow the
system to begin booting to an OS, IBM's boot manager and other
third party boot managers like "System Commander" change the boot
record on a drive to allow the manager to give you a selection of
OS's to boot to. If you ever get a "NO BOOT ROM" error durring
bootup after restoring or cloning a drive with BackMasters BMREST
utility, use OS/2's FDISK.COM to reset the boot record and or to set
the active partition.
FDISK COMMANDS:
/help - Display all available switches
/query - Display all partitions & non used space
/setaccess - sets partition accessible
/startable - sets a partition startable
/bootable:s - s = 0 specifies non-bootable partitions
1 specifies bootable partitions
/bootmgr - specifies the Boot Manager partition
/newmbr /disk:1 - Resets Master Boot Record to a drive number
1 - being the first physical hard drive
════════════════════════════════════════════════
13. - SYSINSTX.COM - OS/2 System Files Utility
════════════════════════════════════════════════
At times BMREST is not able to restore OS/2's system boot files on a
drive, to resolve this, issue the SYSINSTX command to put a boot
block on the partition of choice to allow OS/2 to boot from that drive.
For example, to put the boot block on drive C:, put the BackMaster
Utility Diskette in drive A: and then type: SYSINSTX C:
════════════════════════════════════════════════
14. - Index of Included utility's and files
════════════════════════════════════════════════
Boot Diskette - CONFIG.SYS, OS/2 Boot files, CMD.EXE, Device Drivers
Utility Diskette - BMREST.EXE (BackMaster Text Based Recovery)
T2.EXE (editor), Format.com, Fdisk.com, Chkdsk.com, Attrib.exe,
Rmview.exe (resource manager veiwer), and Misc Support Files
════════════════════════════════════════════════
15. - Recovery Diskettes for other versions of OS/2
════════════════════════════════════════════════
MSR Development Corporation can provide custom disastery recovery
diskettes for any version level of OS/2 needed, contact our sales
department for ordering information at 1-888-MSRDEVV.
════════════════════════════════════════════════
16. - Technical support
════════════════════════════════════════════════
Customer assistance and technical support are available during
normal business hours. If possible, try to be seated at your
computer when calling. Another way to get technical support is to
fill out the TECHSUPP.FRM ascii text file (located in the BackMaster
dirrectory, on the BackMaster Installation diskette, and on diskette
#4 of the disaster recovery diskettes) and FAX it to us, upload it to
our BBS, or send it via CompuServe, or Internet e-mail.
How to reach us:
MSR Development Corporation
4407 Manchester Ave, Suite 104
Encinitas, CA. 92024
(619) 633-3900 Voice (8am-5pm PST)
(619) 633-3908 BBS (No parity, 8 data bits, 1 stop bit)(28,800 bps)
(619) 633-3909 FAX
CompuServe users can send mail to 74431,1621 or GO MSRDEV
Internet users can send mail to support.msrdev.com