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| author | Rick Macklem <rmacklem@FreeBSD.org> | 2021-01-18 03:00:41 +0000 |
|---|---|---|
| committer | Rick Macklem <rmacklem@FreeBSD.org> | 2021-01-18 03:00:41 +0000 |
| commit | 448de00de556753575ec0a2e705712e7c606e680 (patch) | |
| tree | d44730b53fb962b54021708fa4a2ab5d41dedc0a /sbin/mount_nfs | |
| parent | 25c2c952e3f64ec1a59033c0e2dc870a6c818a84 (diff) | |
| download | src-448de00de556753575ec0a2e705712e7c606e680.tar.gz src-448de00de556753575ec0a2e705712e7c606e680.zip | |
Diffstat (limited to 'sbin/mount_nfs')
| -rw-r--r-- | sbin/mount_nfs/mount_nfs.8 | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sbin/mount_nfs/mount_nfs.8 b/sbin/mount_nfs/mount_nfs.8 index b2c561bc5cc8..76e009817d8b 100644 --- a/sbin/mount_nfs/mount_nfs.8 +++ b/sbin/mount_nfs/mount_nfs.8 @@ -28,7 +28,7 @@ .\" @(#)mount_nfs.8 8.3 (Berkeley) 3/29/95 .\" $FreeBSD$ .\" -.Dd December 21, 2020 +.Dd January 17, 2021 .Dt MOUNT_NFS 8 .Os .Sh NAME @@ -217,6 +217,19 @@ 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 may be required when an accumulation of NFS version 4 Opens occurs, +as indicated by the +.Dq Opens +count displayed by +.Xr nfsstat 8 +with the +.Fl c +and +.Fl E +command-line options. +A common case for an accumulation of Opens is a shared library within +the NFS mount that is used by several +processes, where at least one of these processes is always running. This option cannot be used for an NFS Version 4, minor version 0 mount. As such, this option requires the .Cm minorversion |