Date: Mon, 20 Mar 2017 23:55:41 +0200 From: Toomas Soome <tsoome@me.com> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: Baptiste Daroussin <bapt@FreeBSD.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: NFSv2 boot & OLD_NFSV2 Message-ID: <1B7471CD-2F2D-4F22-9D25-E46580CF9E96@me.com> In-Reply-To: <YTXPR01MB0189B266270E22DADF9A48EADD3A0@YTXPR01MB0189.CANPRD01.PROD.OUTLOOK.COM> References: <38DD1950-AD12-4A27-8335-54F997E408DF@me.com> <20170320192000.6hal22ibnr3ajog3@ivaldir.net> <YTXPR01MB0189B266270E22DADF9A48EADD3A0@YTXPR01MB0189.CANPRD01.PROD.OUTLOOK.COM>
next in thread | previous in thread | raw e-mail | index | archive | help
> On 20. m=C3=A4rts 2017, at 23:53, Rick Macklem <rmacklem@uoguelph.ca> = wrote: >=20 > Baptiste Daroussin wrote: >> On Mon, Mar 20, 2017 at 08:22:12PM +0200, Toomas Soome wrote: >>> Hi! >>>=20 >>> The current boot code is building NFSv3, with preprocessor = conditional OLD_NFSV2. Should NFSv2 code still be kept around or can we = burn it? >>>=20 >>> rgds, >>> toomas >>=20 >> I vote burn >>=20 >> Bapt > I would be happy to see NFSv2 go away. However, depending on how = people configure > their diskless root fs, they do end up using NFSv2 for their root fs. >=20 > Does booting over NFSv3 affect this? >=20 > I think the answer is no for a FreeBSD server (since the NFSv2 File = Handle is the same as > the NFSv3 one, except padded with 0 bytes to 32bytes long). > However, there might be non-FreeBSD NFS servers where the NFSv2 file = handle is different > than the NFSv3 one and for that case, the user would need NFSv2 boot = code (or > reconfigure their root fs to use NFSv3). >=20 > To be honest, I suspect few realize that they are using NFSv2 for = their root fs. > (They'd see it in a packet trace or via "nfsstat -m", but otherwise = they probably > think they are using NFSv3 for their root fs.) >=20 > rick if they do not suspect, they most likely use v3 - due to simple fact = that you have to rebuild loader to use NFSv2 - it is compile time = option. rgds, toomas=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1B7471CD-2F2D-4F22-9D25-E46580CF9E96>