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Emergency Restore, Version 2.0


Copyright Arcada Software, Inc. 1995.
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This file contains important information that became
available after the written documentation was completed.

Emergency Restore (ER) is the process of restoring an entire
OS/2 system in the event of a major system problem, such as
a hard disk failure. Create an Emergency Restore backup
immediately so that you are prepared for recovery BEFORE
you have a problem with your system.

In order to restore your system, you must of course back it
up. The more regularly and frequently you back up, the more
likely you will be able to restore your most current data.
In order to restore your OS/2 system, you must back up the
following:

1. All files located in the root directory of your OS/2 boot
   drive.

2. The entire OS/2 directory located in the root directory of
   your OS/2 boot drive.

ER takes a few extra steps, but eliminates a lot of extra work
if a serious problem occurs. If you have made ER diskettes and
back up your system regularly, you can recover all of your files
at any time. When trouble strikes and you decide you need to
restore your entire system, you can do it quickly and easily.

Usually, you will create your ER diskettes by selecting "YES" when
prompted to do so during installation. However, if you did not
create the ER diskettes then, you can do it now by performing the
steps outlined below:

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CREATING ER DISKETTES

To use ER, your "A: " drive must be a 1.44 MB or greater. You will
need 3 blank diskettes. The diskettes will be formatted during the ER
process.  You will also need the OS/2 Installation diskette and OS/2
System diskette #1.  You will be prompted to insert each diskette.
After creating the ER diskettes, label them ER Boot Diskette,
ER Diskette One, and ER Diskette Two and put them in a safe place.

To create ER diskettes:

1.  From a drive icon in the Program Manager Shell, go to the drive
    and folder (directory) where you installed your backup software
    (i.e. QBOS2).

2.  Double click on CRTER1.CMD.

3.  Follow the instructions presented in each prompt.

4.  Enter the appropriate diskette when requested.

NOTE:   If you are using OS/2 version 2.11 or OS/2 Version 2.1 with
        the OS/2 "Service Pak" upgrade you will need four (4) blank
        diskettes, in addition to the original OS/2 Installation
        Diskette and OS/2 Install Disk. The diskettes should be
        labeled as follows:
             Diskette 1: "ER Boot Disk 1"
             Diskette 2: "ER Boot Disk 2"
             Diskette 3: "ER Disk 1"
             Diskette 4: "ER Disk 2"
NOTE:   When you boot or reboot your machine with "ER Boot Disk 1"
        you will be prompted to "Insert OS/2 Diskette 1 into the
        drive" you should insert the "ER Boot Disk 2" at this time
        instead of "OS/2 Diskette 1".

PERFORMING AN EMERGENCY RESTORE

Before using ER:

1. First, decide if another recovery method can be implemented instead.
   For example, if the problem appears to be an OS/2 system problem, such
   as a corrupt OS2.INI file, try to recover by following the steps
   outlined in your OS/2 User Manual before using ER.

2. If your hard drive failed completely and you have replaced it, ER may
   be the best method for recovery. However, you may also consider
   re-installing OS/2, re-installing your backup software, then selectively
   restoring the rest of the files you need.

If you do decide to use ER:

1.  Insert the first tape of the backup set you wish to restore into the tape drive.

2.  Insert the first ER diskette in drive A:

3.  Start (boot) your system.

4.  If necessary, prepare your hard disk using the following tools which are
    located on ER Disk1:

    FDISK      - use FDISK to re-partition your hard disk
    FORMAT     - use FORMAT to format one or more partitioned drives
                 (e.g. FORMAT C: )
    SYSINSTX   - use SYSINSTX to install the system boot loader file
                 (e.g. SYSINSTX C: )
NOTE:  If you alter your drives by using FDISK or FORMAT, you must reboot with the first ER Boot Disk
       prior to using the SYSINST utility or proceeding to step 5.

5.  With ER Disk one in the drive, at the command prompt, type the command 'ER'.

6.  Enter appropriate diskette(s) and commands when prompted.

Your system should now be restored to full operation with all
files as they were when you last completed a backup.
NOTE:  Since the file "QBOS2.ACF" is not backed up, it will not be restored.  This means that
       during an Emergency restore, the catalog must be rebuilt from the media and previous
       rotation set data is not used.

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IF OUT OF MEMORY ERROR RECEIVED DURING EMERGENCY RESTORE

If during an emergency restore a message "Out of memory" is received, it will be necessary
to enable memory swapping. This can occur during large emergency restores on systems with
8 MB or less of memory. Swapping allows virtual memory to be used. In order for swapping
to occur the hard drive must be available for use. The hard drive must contain a formatted
boot partition. If a formatted boot partition is not available the system will not boot,
displaying system information.

In order to enable swapping the hard disk has to be prepared using the tools on disk ER1. It
is necessary when performing an emergency restore to partition the hard drive(s) in the identical
configuration as it was when backed up. If you have a drive C:, D: and E: it is necessary to have
these drives to restore to.

The emergency restore boot diskette contains three configuration files. Config.sys, Config.swp,
and Config.bak. When the hard disk is properly prepared, copy Config.swp to config.sys in the root
directory of the Emergency restore boot diskette. Reboot your system. After rebooting copy the
config.bak to config.sys. Config.bak is a copy of the original config.sys file on the boot diskette.
Continue with the emergency restore as directed by inserting disk ER2 and typing ER.

It will be necessary to remove the file swapper.dat from the root directory of your boot drive
when the emergency restore process is complete. This can be done after starting the system from
the restored hard drive.

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NOTES ABOUT YOUR TAPE DEVICE

When you installed your backup software, if you manually
configured your tape device, you will also need to manually
configure during Emergency Restore. Write down the settings
for your device so that you can refer to them if you need
to use ER.

If you change from your current tape device to a different one,
i.e., from a PPT to a Q117 device, you will need to re-run
CRTER1.CMD to create ER diskettes which will accommodate your
drive type.

ER does not support compressed drives, such as Stacker for
OS/2. To re-install data to a compressed drive, you must
re-install OS/2, the compressed drive, the backup software, and
then perform a selective install from tape. There is not enough
room on the 1.44M floppy to create an ER boot disk for Stacker.


