Advanced Mount Options panel options

Last published : Jun 19, 2026
Use this wizard panel to specify new advanced options for mounting a file system.
Click OK to save your changes and go back to the Mount Options wizard panel.

Table: Advanced mount options

Field Description
File system caching policy Select one of the following\:
- default
- direct
- dsync
- closesync
- tempcache
- unbuffered
See the mount(1) manual pages.
Convert osync policy Select one of the following\:
- default
- direct
- dsync
- closesync
- delay
- unbuffered
See the mount(1) manual pages.
I/O handling policy Select one of the following\:
- default
- mwdisable
- wdisable
- nodisable
- mdisable
- disable
See the mount(1) manual pages.
Clear data extents Select the check box to clear all data extents before file allocation.
Disable access time recording Select the check box to disable access time recording.
Extra options Use this area to define other mount options.
See the mount(1) manual pages.
For example: logiosize=4096. Separate by comma(,) for specifying multiple values.
Extra options Use this area to define other mount options.
See the mount(1) manual pages.
For example: for ufs: quote. For ext2, ext3, and ext4: async. Separate by comma(,) for specifying multiple values.
For ufs, ext2, ext3, and ext4 Not applicable for cluster file system.