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10-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
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To change the oplocks setting of a qtree, follow these steps:
1. Make sure that the cifs.oplocks.enable option is set the way you want.
2. Use the qtree oplocks command, as follows:
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The command takes effect immediately.
NOTE: If you disable the oplocks feature on a qtree, existing oplocks in the qtree are
not broken.
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To enable oplocks in the /vol/users/docs qtree if oplocks are disabled and the
cifs.oplocks.enable
option is set to On, enter the following command:
qtree oplocks /vol/users/docs enable
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To disable oplocks in the entire users volume if oplocks are enabled and the
cifs.oplocks.enable option is set to On, enter the following command:
qtree oplocks /vol/users/ disable
This disables only files and directories that were not in a qtree when oplocks were
enabled.
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Setting the cifs.oplocks.enable option has the following effects:
If the cifs.oplocks.enable option is set to Off, all oplocks on the filer are
turned off.
If the cifs.oplocks.enable option is set back to On, the setting for each
qtree comes into effect and oplocks are turned on for those qtrees where oplocks
are enabled.
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To display all attributes of all qtrees on a filer, use the qtree command with no
arguments.