Use the File Based Write Filter Control dialog box to view and manage your control settings
To view and
manage File Based Write Filter control settings, use the File Based
Write Filter Control dialog box.
To open the dialog box, double-click the FBWF
icon in the notification area of the administrator taskbar.
The File Based Write Filter dialog
box is displayed.
Use the following guidelines setup the Write
Filter Controls.
FBWF Status area includes:
Current Status — Shows the
status (Enabled or Disabled) of the File Based Write Filter.
Boot Command — Shows the status
of the Boot Command. FBWF_ENABLE means that the FBWF is enabled for
the next session; and FBWF_DISABLE means that the FBWF is disabled
for the next session.
RAM used by FBWF — Shows the
amount of RAM used (in Kilobytes and Percentage) that is being used
by the File Based Write Filter. If Current Status is Disabled,
RAM Used by FBWF is always zero (0).
Amount of RAM used for FBWF Cache — Shows (in MB) the amount of RAM (in MB) that is used as File Based
Write Filter cache for the current session.
Cache Setting — Shows the
cache setting for the current session.
Warning #1 ( percent) — Shows
the FBWF cache percentage value at which a Low Memory warning message
is displayed to the user for the current session.
Warning #2 ( percent) — Shows
the FBWF cache percentage value at which a Critical Memory warning
message is displayed to the user, along with another message display
counting down the number of seconds before automatic rebooting will
occur for the current session.
Reboot Time Delay (in seconds) — Shows the number of seconds that will lapse before system reboot
in the Warning #2 ( percent) case of cache overflow for the current
session.
FBWF Cache Settings area includes:
Amount of RAM to be used for FBWF
Cache — Shows (in MB) the amount of RAM (in MB) that is to be
used as File Based Write Filter cache for the next session. This value
should be in the range of 16 MB to 1024 MB. There is an additional
check that this value should not exceed 1/3 of Total Available RAM.
Advanced Cache Settings area includes
options to allow you to improve the effectiveness of cache memory
(Cache Compression, Cache Preallocation, or None).
FBWF Warning Settings area includes:
Warning #1 (%) — Shows the
FBWF cache percentage value at which a Low Memory warning message
is displayed to the user; Default value = 85, Minimum value = 50,
Maximum value = 90.
Warning #2 (%) — Shows the
FBWF cache percentage value at which a Critical Memory warning message
is displayed to the user, along with another message display counting
down the number of seconds before automatic rebooting occur; Default
value = 90, Minimum value = 55, Maximum value = 95.
Reboot Time Delay (in seconds) — Shows the number of seconds that will lapse before system reboot
in the Warning #2 (%) case of cache overflow.
Enable FBWF — Allows you to enable
the File Based Write Filter and prompts you to restart the thin clientOptiplex client. If you do not restart
the thin clientOptiplex client, the changes made
will not be saved until the thin clientOptiplex client is restarted.
After the system restarts to enable the File Based Write Filter, the
File Based Write Filter status icon in the desktop system tray turns
green.
Disable FBWF — Allows you to disable
the File Based Write Filter and prompt you to restart the thin clientOptiplex client. If you do not restart
the thin clientOptiplex client, the changes made
will not be saved until the thin clientOptiplex client is restarted.
After disabling the File Based Write Filter, the File Based Write
Filter status icon in the desktop system tray turns red and the File
Based Write Filter remains disabled after the system restarts.
Defaults — Allows you to reset the
FBWF Cache Settings area, Advanced Cache Settings area, and the FBWF
Warning Settings area to their default values.
File Commit area includes:
File Path — Allows you to add,
remove and commit files to the underlying media, delete a file path
from the list if the file is not to be committed. The system will
not restart the thin clientOptiplex client. The changes are
committed immediately.
Current Session Exclusion List area includes:
File/Directory Path — Allows
you to add and remove a file or directory to or from the exclusion
list for the next session retrieves the list of files or directories
that are write through in the current session; the title of the pane
is shown as Current Session Exclusion List or the Next Session retrieves
the list of files or directories that are write through for the next
session; the title of the pane is shown as Next Session Exclusion
List. The system will not restart the thin clientOptiplex client and the changes are not committed until an administrator restarts
the thin clientOptiplex client manually.
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