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Logical Volume Management (LVM) commands use lvmlockd to coordinate access
to shared storage.
NOTE: lvm2 package that comes with Slackware includes lvmlockd
support. However, since neither sanlock or dlm were present at build time,
empty functions were compiled in. In order for lvm commands (such as lvmcreate,
etc) to discover and leverage lvmlockd support, stock lvm binary has to
be replaced:
CLOBBER_STOCK_BINARY=yes ./lvm2-lockd.SlackBuild
The original binary can be restored by reinstalling the stock lvm2 package.
By default, lock type is set to sanlock, dlm can be selected with:
LOCK_TYPE=dlm ./lvm2-lockd.SlackBuild
This will change package dependancy from sanlock to dlm (also found here
on SlackBuilds.org).
More information post-install can be found in README.SLACKWARE
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