Virtual TapeServer 8.0 Configuration Guide

Configuring EMS Communication | 57
d. Enter yes to accept the fingerprint.
If a mismatch occurs after accepting the fingerprint, you can edit the /home/bill/.ssh/
known_hosts file to remove lines for host server whose key has changed. Then, after the
obsolete key has been removed, repeat this step to accept the new key.
6. Click RESTART on the Virtual Media - Mounts and Locks page to restart the EMS
service. Or, click Start EMS Service on the Manage System Tasks page. You must start
or restart the service to enable VTS to reread the configuration file.
7. To send notifications to the NonStop server, you must configure several parameters in the
VTS configuration file, as follows:
a. Click Configuration→System on the navigation pane.
b. Click Edit Configuration File.
c. Add the following parameters at the bottom of the file that is displayed:
d. Click the SAVE button.
If problems arise, check the ems.log file to confirm that the login to the host server and the
prompt response are correct.
Parameter Description Values
cleanup_threshold_
percent
Indicates the threshold after which a
cleanup is initiated, if Scan/Cleanup is
enabled. When the VTS file system
reaches this threshold (a percentage),
virtual tapes can be scheduled for erasure
if this parameter is set. This parameter
also instructs VTS to send a notification to
the NonStop server.
Default value: 100
Integer
opwin_filesystem_alert Sets the percentage for the /VAULTxx file
system usage; if this usage is exceeded, a
message is sent to the NonStop server
(and an alert is displayed on the Configure
Tapes and Pools page of the web
interface).
Default value: 90
Integer
lowspace_notify Enables notification on low vault space; a
message is sent to the NonStop host server
(the ems_hsm_backup_notification
parameter must also be set to YES).
Default value: YES
YES or NO
lowspace_notify_
percentage
Specifies the percentage of free space that
must be available; if the amount of free
space falls below this percentage, the low
vault space notification is sent to the
NonStop server.
Default value: 5
Integer