VRTSllt fileset will not unload on AIX 6.1 as LLT driver is busy

Problem

An attempt had been made to uninstall Cluster Server (VCS) using the uninstallvcs script. The VRTSllt fileset failed to remove as the LLT driver was deemed busy.

Error Message

After suggestions to ensure the stack above LLT had been closed down on the node, a manual attempt at unloading the LLT driver was attempted:

# strload -u -d /usr/lib/drivers/pse/llt
strload: cannot terminate /usr/lib/drivers/pse/llt: Device busy

Since that failed, the following checks were made:

# gabconfig -a
GAB Port Memberships
===============================================================
# lltstat -p
LLT port information:
    Port    Usage        Cookie
 

However, neither of the outputs above indicated why LLT should be active.

Cause

The cause of why the LLT was deemed busy was not ascertained.

Solution

In order to remove the VRTSllt fileset, the workaround was to move out the LLT driver from /usr/lib/drivers/pse/llt and reboot. After the reboot, the fileset could then be removed manually using AIX's installp.


Applies To

AIX 6.1

Storage Foundation HA 5.1SP1

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