Compaq ProSignia 500 Compaq ProSignia Family of PC Servers Maintenance and Ser - Page 54

Configuring the PC Server for Automatic Server, Recovery ASR

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Configuring the PC Server for Automatic Server Recovery (ASR) When setting up the server to use Automatic Server Recovery (ASR), you must set the ASR Timer, select the pager number to call, and specify how you want the PC Server to recover from critical system faults. This selection process is accomplished through the COMPAQ EISA Configuration Utility. The ASR depends on an operating system driver that routinely notifies the ASR hardware that the system is operating properly. You should set the ASR Timer to allow the ASR to wait a prudent period of time before resetting the system and activating the recovery process after a fault occurs. If the time between ASR notifications by the driver exceeds the specified time period, it will assume a fault has occurred and initiate the recovery process. For example, if the ASR Timer is set to 10 minutes, the system will not reset the PC Server unless 10 minutes elapses with no notification from the driver that the system is operating properly. You can select to be paged (modem required) and what mode the PC Server will be in when it restarts after a critical error. The following sections describe the different reboot options and the system requirements for each level. Unattended Recovery For unattended recovery, ASR will log the error information to the Critical Error Log, reset the server, test all memory, automatically deallocate any bad memory blocks found, page you (if modem is present and paging is selected), and attempt to reboot the operating system. Often the PC Server will restart successfully, making this the ideal choice for remote locations where trained service personnel are not immediately available. The ASR will only attempt the recovery process a limited number of times. If the PC Server continues to experience hardware/software errors and the number of recovery cycles exceed the retry limit, the PC Server will log an

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Configuring the PC Server for Automatic Server
Recovery (ASR)
When setting up the server to use Automatic Server Recovery (ASR), you must
set the ASR Timer, select the pager number to call, and specify how you
want the PC Server to recover from critical system faults. This selection
process is accomplished through the COMPAQ EISA Configuration Utility.
The ASR depends on an operating system driver that routinely notifies the
ASR hardware that the system is operating properly. You should set the ASR
Timer to allow the ASR to wait a prudent period of time before resetting
the system and activating the recovery process after a fault occurs. If the
time between ASR notifications by the driver exceeds the specified time
period, it will assume a fault has occurred and initiate the recovery
process.
For example, if the ASR Timer is set to 10 minutes, the system will not
reset the PC Server unless 10 minutes elapses with no notification from the
driver that the system is operating properly.
You can select to be paged (modem required) and what mode the PC Server
will be in when it restarts after a critical error. The following sections
describe the different reboot options and the system requirements for each
level.
Unattended Recovery
For unattended recovery, ASR will log the error information to the Critical
Error Log, reset the server, test all memory, automatically deallocate any
bad memory blocks found, page you (if modem is present and paging is
selected), and attempt to reboot the operating system. Often the PC Server
will restart successfully, making this the ideal choice for remote
locations where trained service personnel are not immediately available.
The ASR will only attempt the recovery process a limited number of times.
If the PC Server continues to experience hardware/software errors and the
number of recovery cycles exceed the retry limit, the PC Server will log an