ganesha-export-config - Man Page

NFS Ganesha Export Configuration File




NFS-Ganesha obtains configuration data from the configuration file:


This file lists NFS-Ganesha Export block config options.

Export_defaults {}

These options are all "export permissions" options, and will be repeated in the Export {} and Export { Client {} } blocks.

These options will all be dynamically updateable.

Access_Type(enum, default None)
Possible values:


Protocols(enum list, default [3,4])
Possible values:

3, 4, NFS3, NFS4, V3, V4, NFSv3, NFSv4, 9P

Transports(enum list, values [UDP, TCP, RDMA], default [UDP, TCP])

Anonymous_uid(anonid, range INT32_MIN to UINT32_MAX, default -2)

Anonymous_gid(anonid, range INT32_MIN to UINT32_MAX, default -2)

SecType(enum list, default [none, sys])
Possible values:

none, sys, krb5, krb5i, krb5p

PrivilegedPort(bool, default false)

Manage_Gids(bool, default false)

Squash(enum, default root_sqaush)
Possible values:

root, root_squash, rootsquash, rootid, root_id_squash, rootidsquash, all, all_squash, allsquash, all_anomnymous, allanonymous, no_root_squash, none, noidsquash

Each line of defaults above are synonyms

Security_Label(bool, default false)

NFS_Commit(bool, default false)

Delegations(enum, default None)
Possible values:

None, read, write, readwrite, r, w, rw

Attr_Expiration_Time(int32, range -1 to INT32_MAX, default 60)

Export {}

Export_id (required):

An identifier for the export, must be unique and betweem 0 and 65535. If Export_Id 0 is specified, Pseudo must be the root path (/).

Path (required)

The directory in the exported file system this export is rooted on (may be ignored for some FSALs). It need not be unique if Pseudo and/or Tag are specified.

Note that if it is not unique, and the core option mount_path_pseudo is not set true, a v3 mount using the path will ONLY be able to access the first export configured. To access other exports the Tag option would need to be used.

Pseudo (required v4)

This option specifies the position in the Pseudo FS this export occupies if this is an NFS v4 export. It must be unique. By using different Pseudo options, the same Path may be exported multiple times.

This option is used to place the export within the NFS v4 Pseudo Filesystem. This creates a single name space for NFS v4. Clients may mount the root of the Pseudo Filesystem and navigate to exports. Note that the Path and Tag options are not at all visible to NFS v4 clients.

Export id 0 is automatically created to provide the root and any directories necessary to navigate to exports if there is no other export specified with Pseudo = /;. Note that if an export is specified with Pseudo = /;, it need not be export id 0. Specifying such an export with FSAL { name = PSEUDO; } may be used to create a Pseudo FS with specific options. Such an export may also use other FSALs (though directories to reach exports will ONLY be automatically created on FSAL PSEUDO exports).

Tag (no default)

This option allows an alternative access for NFS v3 mounts. The option MUST not have a leading /. Clients may not mount subdirectories (i.e. if Tag = foo, the client may not mount foo/baz). By using different Tag options, the same Path may be exported multiple times.

MaxRead (64*1024*1024)

The maximum read size on this export

MaxWrite (64*1024*1024)

The maximum write size on this export

PrefRead (64*1024*1024)

The preferred read size on this export

PrefWrite (64*1024*1024)

The preferred write size on this export

PrefReaddir (16384)

The preferred readdir size on this export

MaxOffsetWrite (INT64_MAX)

Maximum file offset that may be written Range is 512 to UINT64_MAX

MaxOffsetRead (INT64_MAX)

Maximum file offset that may be read Range is 512 to UINT64_MAX

CLIENT (optional)

See the Export { Client {} } block.

FSAL (required)

See the Export { Fsal {} } block.

Export { Client {} }

Take all the "export permissions" options from EXPORT_DEFAULTS. The client lists are dynamically updateable.

Clients(client list, empty)

Client list entries can take on one of the following forms: Match any client:

@name       Netgroup name
x.x.x.x/y   IPv4 network address
wildcarded  If the string contains at least one ? or *
            character (and is not simply "*"), the string is
            used to pattern match host names. Note that [] may
            also be used, but the pattern MUST have at least one
            ? or *
hostname    Match a single client (match is by IP address, all
            addresses returned by getaddrinfo will match, the
            getaddrinfo call is made at config parsing time)
IP address  Match a single client

Export { Fsal {} }

NFS-Ganesha supports the following FSALs: Ceph Gluster GPFS Proxy RGW VFS LUSTRE

Refer to individual FSAL config file for list of config options.

See Also

ganesha-config(8) ganesha-rgw-config(8) ganesha-vfs-config(8) ganesha-lustre-config(8) ganesha-xfs-config(8) ganesha-gpfs-config(8) ganesha-9p-config(8) ganesha-proxy-config(8) ganesha-ceph-config(8)

Referenced By

ganesha-ceph-config(8), ganesha-config(8), ganesha-gluster-config(8), ganesha-gpfs-config(8), ganesha-proxy-config(8), ganesha-rgw-config(8), ganesha-vfs-config(8).

Jul 22, 2021 NFS-Ganesha