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lkipbu(8)

NAME

lkipbu(8) - LifeKeeper IP backup interface management

SYNOPSIS

lkipbu [-d machine] -a -t tag -f interface

lkipbu [-d machine] -r -t tag -f interface

lkipbu [-d machine] -m -t tag

lkipbu [-d machine] -q -t tag

DESCRIPTION

The lkipbu command is used to perform backup interface configuration and manipulation for LifeKeeper IP resource instances.

The  lkipbu -a command is used to add a backup interface, specified by interface, to the IP resource instance identified by tag.

The  lkipbu -r command removes the backup interface, specified by interface, to the IP resource instance identified by tag.

The  lkipbu -m command causes the LifeKeeper-protected IP address associated with the IP resource instance tag to be moved to its backup interface. If the IP address is not currently active, this command simply swaps the primary and backup interface values for the IP resource instance tag.

To ensure proper subnet routing after an address is moved, any active IP addresses on the same logical subnet as the moved IP address will be unconfigured by the lkipbu -m command, unless they are already active on the backup interface. This action applies to both the primary addresses of an interface, as well as the alias addresses, including other LifeKeeper-protected addresses. If an impacted LifeKeeper-protected address has the same backup interface value as the address being moved, then that LifeKeeper-protected address will also be moved to the backup interface.

The  lkipbu -q command displays the currently defined primary and backup interfaces for the IP resource instance tag, along with the IP address of the instance and its defined netmask.

The  -d option allows the operation of the command to be directed at the remote LifeKeeper server identified by machine.

FAILURE CONDITIONS

All command forms will fail if tag does not identify an existing IP resource instance, or if machine does not identify a known, alive LifeKeeper server.

The  lkipbu -a command will fail if a backup interface has already been defined for instance tag, or if interface specifies an invalid interface name.

The  lkipbu -r command will fail if the specified interface is not the current backup interface for the IP resource instance tag.

The  lkipbu -m command will fail if there is no backup interface currently configured for the IP resource instance tag.

NOTES

The lkipbu command is located in the directory $LKROOT/bin. LKROOT is defined in the default file /etc/default/LifeKeeper and has a default value of /opt/LifeKeeper.

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