Date: Thu, 28 May 2009 00:25:16 -0700 From: Kip Macy <kmacy@freebsd.org> To: Mike Andrews <mandrews@bit0.com> Cc: pjd@freebsd.org, stable@freebsd.org, Takahashi Yoshihiro <nyan@jp.freebsd.org> Subject: Re: NFS on ZFS Message-ID: <3c1674c90905280025i17039257l573838d33d8493fd@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.0905272224090.22610@beast.int.bit0.com> References: <20090526.192217.94910518.nyan@jp.FreeBSD.org> <4A1C3DA8.5050300@bit0.com> <alpine.BSF.2.00.0905272224090.22610@beast.int.bit0.com>
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The flags checks are too strict. File a PR. I'll fix it when I get to
it. Sorrry.
-Kip
On Wed, May 27, 2009 at 7:24 PM, Mike Andrews <mandrews@bit0.com> wrote:
> On Tue, 26 May 2009, Mike Andrews wrote:
>
>> Takahashi Yoshihiro wrote:
>>>
>>> Today's stable has a problem creating a new file via NFS on ZFS.
>>>
>>> On the NFS server, there is no problem.
>>>
>>> % cd /ZFS
>>> % mktemp hoge
>>> hoge
>>> % ls -l hoge
>>> -rw------- =A01 nyan =A0nyan =A00 =A05 26 19:09 hoge
>>>
>>>
>>> But it's a problem on the NFS client.
>>>
>>> # mount server:/ZFS /ZFS
>>> % cd /ZFS
>>> % mktemp hoge
>>> mktemp: mkstemp failed on hoge: Input/output error
>>> % ls -l hoge
>>> ---------- =A01 nyan =A0wheel =A00 =A05 26 19:09 hoge
>>>
>>> The file has a wrong permission.
>>>
>>> This problem is only on stable, current has no problem.
>>
>> I'm seeing this too. =A0It seems so far to be limited to mkstemp() -- ju=
st
>> copying files normally works. =A0For example /usr/bin/install -S fails,
>> without -S works, if the target is an NFS+ZFS volume.
>
> Anyone?
>
> I've verified that if the NFS server uses UFS2, mkstemp() from an NFS
> client to the server works fine, but if the NFS server uses ZFS, the NFS
> server returns EIO after creating a file with 000 permissions.
>
> In addition to breaking /usr/bin/install -S, it also breaks rsync over NF=
S.
>
> I don't yet know if it matters whether the on-disk format is ZFS v6 vs v1=
3.
>
>
--=20
When bad men combine, the good must associate; else they will fall one
by one, an unpitied sacrifice in a contemptible struggle.
Edmund Burke
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