SUMMARY: Removing stranded swapvol plexes from LSM

I forgot to summarize my responses to this query. The problem was that
after replacing 1/2 of a mirrored root disk configuration (T64 V5.1a) we
could not disassociate the swapvol plex. The error was:

lsm:volplex: ERROR: Enabled Volume swapvol would be left with no active
restricted plexes, violating swap usage type.

It turns out there is a patch which causes this behavior. Info is as
follows - thanks to Scott Jochum for the solution:
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You will have to back out patch kit 1998 from the system.

 #dupatch -delete -name root -note "removing lsm swapvol patch" -patch
1998

 You should be able to disassociate and remove plexes at this point.
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Regards;

Judith Reed