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warm-standby
Enables/disables warm-standby functionality for the server.
Syntax: [no] warm-standby
Description: The Avici router supports a secondary server that becomes the active server in the event the primary server becomes inoperative.
The startup configuration file is parsed twice during system initialization:
- The first parse happens before the server has any state information, and processes server-specific information (e.g., server-id, domain, location, eth0 address).
- The second parse happens after the server has assumed a status of "active" and processes non-server commands.
The warm-standby server in secondary mode has limited functionality and supports a limited CLI command set. Its primary function is to mirror the configuration of the primary server and monitor its status. Should the secondary server become active because of a failure of the primary server, it must relearn all configuration information (e.g., tunnels, routers etc.) based on the startup.cfg.
The CLI is not active until the server has assumed a final state: Active, Backup, or Inactive.
Use the warm-standby command to enable the warm standby functionality.
The startup configuration file resident on the active server is copied to the backup server only upon initial partnership of the backup/active servers and when the write command is used.
When a backup server is not installed, and warm-standby is enabled, the time during initialization when the CLI is not active is extended by 1 minute.
Use the no warm-standby command when only one server is present, to disable the warm-standby server functionality and reduce the time for system initialization to complete.
WARNING The warm-standby and no warm-standby commands do not take effect until the configuration file has been saved (using the write command), and the server is re-booted.
If warm server functionality has been disabled, the installation of a second server is not supported.Factory Default: Enabled.
Command Mode: Configuration.
Example: In the following example:
- The warm-standby command enables the secondary server functionality
- The write command saves the changes in the running configuration file to the startup configuration file
- The reboot command restarts the server using the updated configuration file
- The show server command displays the setting:
router(config)#warm-standby
WARNING: - Changes to warm-standby require a write and reboot to take effect!
router(config)#exit
router#write
router#reboot
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Avici Systems TSR
Copyright 1997-2001 Avici Systems, Inc.
CPU:VI Computer POWER4C PPC 604E 300 MHZ/MPC106v40
OS:IPriori, Beta Version
BSP version:1.1 /2
Creation date:Jan 29 2001, 18:57:19
Build name:Platform:4cs-d; Label:R3.3_REL.21
Debug:No Support
Loading server-specific info from startup configuration...
Server specific info has been loaded from A:\STARTUP.CFG.
Determining Server State.........Done
Server state is:ACTIVE.
Loading non-server specific info from startup configuration...
Non-server specific info has been loaded from A:\STARTUP.CFG.
Password:
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router#show server
Server ID 1
Server:upper - Controls slots 1 - 20
Location (bay/slot):1/1
Current Server Access Module:NONE
Backup Server Access Module:NONE
Warm Stand-by State:ACTIVE
Warm Stand-by Partner id:2
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Related Commands: server
server-id
server-location
show server
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Copyright © 2005
Avici Systems Inc.
Avici® and TSR®
is a registered trademark of Avici Systems Inc.
IPriori™, Composite Links™, SSR™, QSR, and NSR® are
trademarks of Avici Systems Inc.
Source
File Name: sys_mgmt.fm
HTML File Name: sys_mgmt64.html
Last Updated: 02/25/05 at 14:26:49