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3703.TXT
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1993-09-20
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9KB
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140 lines
_________________________________________________________________
STACKER NOTE STACKER NOTE
MOUNT ID WRITE ERROR
(Applies to Stacker 3.0 & 3.1 for Windows & DOS)
STAC FAX 3703 (09/20/93)
_________________________________________________________________
BACKGROUND
If the Stacker device driver cannot successfully write the "mount
ID" to a STACVOL file, you will get the error message "Mount ID
Write Error." Two situations can cause this error:
I. The STACVOL file resides on a Hard Card whose driver loads
after Stacker attempts to mount the STACVOL file.
II. The STACVOL file resides on a drive with media errors.
This document is organized into two procedures. Complete
Procedure I if the error occurs on a Hard Card. Otherwise,
complete Procedure II.
PROCEDURE I: HARD CARD DRIVER LOADS AFTER STACKER
If the "Mount ID Write Error" occurs on a Hard Card, then
complete the appropriate steps for your version of Stacker.
Otherwise, complete Procedure II.
+------------------HARD CARDS AND STACKER 3.0---------------------+
| |
|If you use Stacker 3.0, ensure that the Hard Card device driver |
|loads before the Stacker device driver in the CONFIG.SYS file: |
| |
|1. Use any text editor to edit your CONFIG.SYS file. |
|2. If the Hard Card device driver appears after the Stacker |
| device driver, move it before the Stacker device driver |
| line. Otherwise, complete Procedure II. |
|3. Save the file and exit to DOS. |
|4. Restart your computer. The compressed Hard Card should |
| mount properly without write protection. |
+-----------------------------------------------------------------+
+------------------HARD CARDS AND STACKER 3.1---------------------+
| |
|If you use Stacker 3.1, it is not possible to load the Hard Card |
|device driver before the pre-loading Stacker device driver. |
|Instead, you must modify your configuration files STACKER.INI and|
|AUTOEXEC.BAT so that the Hard Card mounts in the AUTOEXEC.BAT. |
| |
|The following steps show you what to do. In our example, drive |
|D: is the Hard Card. Substitute your Hard Card's drive letter |
|for D: when completing these steps. |
| |
|1. Determine the swapped drive letter for your Hard Card. At |
| the DOS prompt, type: |
| |
| stacker <Enter> |
| |
| It displays a drive map similar to this: |
| |
| Stacker drive map: |
| Drive A: was drive A: at boot time |
| Drive B: was drive B: at boot time |
| Drive C: was drive C: at boot time [E:\STACVOL.DSK =314.7MB]|
| Drive D: was drive D: at boot time [F:\STACVOL.DSK = 89.4MB |
| --Write Protected]|
| Drive E: was drive E: at boot time |
| Drive F: was drive F: at boot time |
| Total of 1 available replaceable drive(s) |
| |
| The STACVOL file associated with drive D: indicates the Hard |
| Card's swapped drive -- in this example it is F. Jot down |
| the swapped drive letter for your Hard Card; you will need |
| it in step 3. |
|2. Edit the STACKER.INI file. Editing instructions are in the |
| Stacker 3.1 supplement and in the Stacker README.TXT file. |
| The STACKER.INI file for our example looks like this: |
| |
| /P=1 |
| /DIR=C:\STACKER\ |
| C:\STACVOL.DSK,SW |
| D:\STACVOL.DSK,SW |
| |
|3. Upon entering the editor, your cursor will be positioned at |
| the beginning of the first line. From this position, type: |
| |
| /SW=DF<Enter> |
| |
| Where D is the drive letter of your Hard Card and F is the |
| drive with which it swaps (determined in step 1.) |
|4. Move your cursor to the beginning of the line |
| |
| D:\STACVOL.DSK,SW |
| |
| where D is the drive letter of your Hard Card. Press CTRL-K |
| to delete the line, then type an * in its place. |
|5. Our STACKER.INI file looks like this now: |
| |
| /SW=DF |
| /P=1 |
| /DIR=C:\STACKER\ |
| C:\STACVOL.DSK,SW |
| * |
| |
|6. Save the file by pressing CTRL-Z. |
|7. Use a text editor to insert the following command into your |
| AUTOEXEC.BAT file. It should appear immediately before the |
| Stacker CHECK /WP command: |
| |
| C:\STACKER\STACKER D:=F:\STACVOL.DSK |
| |
| Where D is the drive letter of your Hard Card and F is the |
| drive with which it swaps (determined in step 1.) |
| |
|8. Restart your system. The compressed Hard Card should mount |
| properly without write protection. |
+-----------------------------------------------------------------+
PROCEDURE II: THE STACVOL FILE RESIDES ON A DRIVE WITH MEDIA
ERRORS
If you have completed Procedure I and the "Mount ID Write Error"
persists, or if the error is occurring on a hard disk that is not
a Hard Card, then a physical hard drive flaw is the most likely
cause of the error.
To detect and correct damaged or unreadable areas of your hard
drive, you need to run a disk repair utility, such as Norton
Utilities Calibrate, PC Tools DiskFix, or SpinRite. See document
# 3404, "Using Surface Scan Utilities with Stacker," for more
information.
Persistent errors may indicate a hardware failure in the hard
drive controller, the drive controller cable, the motherboard, or
the hard drive itself. Have a qualified repair technician check
_________________________________________________________________
Copyright 1993, Stac Electronics