Tuesday, February 5, 2019

NetApp 7 mode nfs export command



-p
Exports a file system path and adds a corresponding export entry to the /etc/exports file. If you do not specify any export options, Data ONTAP automatically exports the file system path with the rwand -sec=sys export options. Use the -p option to add a file system path to the /etc/exports file without manually editing the /etc/exports file. Note: Data ONTAP exports the file system paths specified in the /etc/exports file every time NFS starts up (for example, when the node reboots).


-q
Displays the export options for a file system path. Use the -q option to quickly view the export options for a single file system path without manually searching through the /etc/exports file. In addition to displaying the options, it also displays the ruleid for each "rule" in the export. This ruleid is used to display the in-memory and on-disk access cache for each "rule". Rule is a set of host access permissions defined for a security flavor in an export and a ruleid uniquely identifies a rule for the duration when a node is up. For example:
   exportfs -q /vol/vol0
   /vol/vol0  -sec=krb5,(ruleid=2),rw
This means that the filesystem /vol/vol0 is exported via the rule "rw" and this rule has a ruleid of 2.
   exportfs -q /vol/vol1
   /vol/vol1  -sec=sys,(ruleid=2),rw,
          sec=krb5,(ruleid=10),ro=172.16.27.0/24,rw=172.16.36.0/24
This means that the filesystem /vol/vol1 is exported via the rule "rw" (ruleid 2) to everyone who is coming with AUTH_SYS security and is also exported via the rule "ro=172.16.27.0/24,rw=172.16.36.0/24" (ruleid 10) to everyone coming in with Kerberos.




-r
Exports all file system paths specified in the /etc/exports file and unexports all file system paths not specified in the /etc/exports file. To export all file system paths specified in the /etc/exports file without unexporting any file system paths, use the -a option instead. Note: Data ONTAP re-exports a file system path only if its persistent export options (those specified in the /etc/exports file) are different from its current export options, thus ensuring that it does not expose NFS clients unnecessarily to a brief moment during a re-export in which a file system path is not available.
-s
Displays the actual file system path corresponding to an exported file system path. Note: Unless a file system path is exported with the -actual option, its actual file system path is the same as its exported file system path.
-u
Unexports a file system path. To unexport a single file system path, specify the path; otherwise, to unexport all file system paths specified in the /etc/exports file, specify the -a option. Note: The -uoption does not remove export entries from the /etc/exports file. To unexport a file system path and remove its export entry from the /etc/exports file, use the -z option instead.
-v
Specifies that Data ONTAP should be verbose. Use the -v option with any other option. For example, specify the -v option with the -a option to specify that Data ONTAP should display all file system paths that it exports.
-w
Saves exported file system paths and their export options into a file.
-z
Unexports a file system path and removes its export entry from the /etc/exports file. Use the -z option to remove a file system path from the /etc/exports file without manually editing the /etc/exportsfile. Note: By default entries are actually commented out and not removed from the /etc/exports file. To change the behavior to actually remove entries switch off the nfs.export.exportfs_comment_on_delete option

https://library.netapp.com/ecmdocs/ECMP1511537/html/man1/na_exportfs.1.html

2 comments:

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