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Improve man page for AmazonEFS mounts.

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PR#250770 was actually just a misunderstanding of what
NFS mount options are needed for AmazonEFS mounts.
This patch attempts to clarify the manpage to clarify this.

This is a content change.

PR:		250770
Reviewed by:	bcr
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D27430
This commit is contained in:
Rick Macklem 2020-12-01 23:33:10 +00:00
parent 4102e8385f
commit 00c8b28c1a
1 changed files with 11 additions and 2 deletions
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13
sbin/mount_nfs/mount_nfs.8
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@ -28,7 +28,7 @@
.\" @(#)mount_nfs.8 8.3 (Berkeley) 3/29/95
.\" $FreeBSD$
.\"
.Dd November 20, 2020
.Dd November 30, 2020
.Dt MOUNT_NFS 8
.Os
.Sh NAME
@ -217,9 +217,18 @@ Make a minor version 1 or 2 of the NFS Version 4 protocol mount use a single
OpenOwner for all Opens.
This may be useful for a server with a very low limit on OpenOwners, such as
AmazonEFS.
It ca only be used with an NFSv4.1 or NFSv4.2 mount.
This option cannot be used for an NFS Version 4, minor version 0 mount.
As such, this option requires the
.Cm minorversion
option be specified with a value of 1 for AmazonEFS, because AmazonEFS does
not support minor version 2 at this time.
It may not work correctly when Delegations are being issued by a server,
but note that the AmazonEFS server does not issued delegations at this time.
This option is only meaningful when used with the
.Cm nfsv4
and
.Cm minorversion
options.
.It Cm pnfs
Enable support for parallel NFS (pNFS) for minor version 1 or 2 of the
NFS Version 4 protocol.