Enabling thin provisioning for LUNs
You can use SnapDrive for UNIX to carry out thin provisioning on your storage system. Thin provisioning is also referred as space-reservation.
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Set the
space-reservations-enabledconfiguration variable value toon.You can also enable thin provisioning by using the
-reserveand-noreserveparameters.Parameter override the value mentioned in the
-space-reservations-enabledvariable.You could use
-reserveand-noreservewith the following commands to enable or disable LUN reservation:-
snapdrive storage create -
snapdrive storage resize -
snapdrive snap connect -
snapdrive snap restore
By default, SnapDrive for UNIX enables space reservation for a fresh or new storage create operations. For snap restore and snap connect operations, it uses the space reservation present in the Snapshot copy if the
-reserveor-noreserveparameters are not specified at the command line, or if the value in the configuration file is uncommented. -