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Subject: Re: Linux NFS client and FreeBSD server strangeness
From: Michael Usher <miku@muszka.com>
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In-Reply-To: <C3024CF7-3928-4DBF-9855-82451BDACE01@inparadise.se>
Date: Wed, 4 Apr 2018 12:54:24 -0700
Cc: freebsd-fs@freebsd.org, Mike Tancsa <mike@sentex.net>,
 Guido Falsi <mad@madpilot.net>
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References: <369fab06-6213-ba87-cc66-c9829e8a76a0@sentex.net>
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To: =?utf-8?Q?Karli_Sj=C3=B6berg?= <karli@inparadise.se>
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I have found examining a network trace to be helpful with NFS issues. Helps e=
liminate window size or buffer issues.=20

Michael

> On Apr 4, 2018, at 12:44, Karli Sj=C3=B6berg via freebsd-fs <freebsd-fs@fr=
eebsd.org> wrote:
>=20
>=20
>=20
> Mike Tancsa <mike@sentex.net> skrev: (4 april 2018 21:24:59 CEST)
>>> On 4/4/2018 3:04 PM, Guido Falsi wrote:
>>>=20
>>> https://wiki.freebsd.org/ZFSTuningGuide
>>>=20
>>> in the NFS tuning section.
>>>=20
>>>=20
>>> If you're not using ZFS I don't have an idea right away what your
>>> problem could be.
>>=20
>> Thanks, same sort of bursty traffic patterns with a ufs filesystem.  I
>> just tried with a spare disk I made into a UFS2 partition and exported
>> it to the linux client.
>>=20
>> Also no difference if I disable sync for the underlying file system
>> when
>> using zfs.
>=20
> Darn, would have been my bet as well:)
>=20
> Although I understand it might be difficult for you, it would be interrest=
ing to know if a FreeBSD client exhibits the same behaviour. It may be a cli=
ent problem instead of the server?
>=20
> /K
>=20
>>=20
>>=20
>>=20
>>    ---Mike
>=20
> --=20
> Skickat fr=C3=A5n min Android-enhet med K-9 Mail. Urs=C3=A4kta min f=C3=A5=
ordighet.
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