Oplocks (opportunistic locks)
allow CIFS clients to cache more data locally, reducing traffic to the storage system.
Step
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If your system is running CIFS and is not in a database environment, enter the following command to set oplocks: options cifs.oplocks.enable on
Attention: If your system is in a database environment, ensure that the oplocks are not set.
For more information about the cifs.oplocks.enable option, see the na_options(1) man page.