On Tue, Feb 4, 2020 at 12:13 PM Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> wrote: > > On Tue, 2020-02-04 at 11:46 -0500, Steve Dickson wrote: > > Trond, > > > > On 2/3/20 10:15 AM, Olga Kornievskaia wrote: > > > Looks good but can we add clarification that nconnect is supported > > > for > > > 3.0 and 4.1+? > > Do you have an opinion on this? Should we document the protocols that > > are supported? > > Unless there is an actual protocol reason for doing so, I'd rather not > that we be on the record as saying that NFSv4.0 will remain > unsupported. > In other words, I'd like us to keep open the possibility that we might > add NFSv4.0 support in the future, should someone need it. I see your point and I like the vagueness of the nconnect description but is the man page written in stone, can't we say that now support is for v3 and v4.1+ but in the future it might change? It might be confusing for the users to do a 4.0 mount, specify nconnect and wonder why it's not working? > > Cheers > Trond > > > > steved. > > > > > On Wed, Jan 29, 2020 at 10:47 AM Steve Dickson <steved@xxxxxxxxxx> > > > wrote: > > > > From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> > > > > > > > > Add a description of the 'nconnect' mount option on the 'nfs' > > > > generic > > > > manpage. > > > > > > > > Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> > > > > Signed-off-by: Steve Dickson <steved@xxxxxxxxxx> > > > > --- > > > > utils/mount/nfs.man | 17 +++++++++++++++++ > > > > 1 file changed, 17 insertions(+) > > > > > > > > diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man > > > > index 6ba9cef..84462cd 100644 > > > > --- a/utils/mount/nfs.man > > > > +++ b/utils/mount/nfs.man > > > > @@ -369,6 +369,23 @@ using an automounter (refer to > > > > .BR automount (8) > > > > for details). > > > > .TP 1.5i > > > > +.BR nconnect= n > > > > +When using a connection oriented protocol such as TCP, it may > > > > +sometimes be advantageous to set up multiple connections between > > > > +the client and server. For instance, if your clients and/or > > > > servers > > > > +are equipped with multiple network interface cards (NICs), using > > > > multiple > > > > +connections to spread the load may improve overall performance. > > > > +In such cases, the > > > > +.BR nconnect > > > > +option allows the user to specify the number of connections > > > > +that should be established between the client and server up to > > > > +a limit of 16. > > > > +.IP > > > > +Note that the > > > > +.BR nconnect > > > > +option may also be used by some pNFS drivers to decide how many > > > > +connections to set up to the data servers. > > > > +.TP 1.5i > > > > .BR rdirplus " / " nordirplus > > > > Selects whether to use NFS v3 or v4 READDIRPLUS requests. > > > > If this option is not specified, the NFS client uses READDIRPLUS > > > > requests > > > > -- > > > > 2.21.1 > > > > > -- > Trond Myklebust > Linux NFS client maintainer, Hammerspace > trond.myklebust@xxxxxxxxxxxxxxx > >
