Re: nfs-utils - TCP ephemeral port exhaustion results in mount failures

[Chris Perl <chris.perl@gmail.com>]

I tried to send them to the list, but I guess they didn't come through
because my sender was set to chris.perl@gmail.com, but I ran `git
send-email' from work, so the smtp sender ip wouldn't authorized.

I'll figure out a way to send them now.

On Fri, Sep 5, 2014 at 4:03 PM, Trond Myklebust
<trond.myklebust@primarydata.com> wrote:
> On Fri, Sep 5, 2014 at 3:40 PM, Chris Perl <chris.perl@gmail.com> wrote:
>> I just submitted two patches, one for nfs-utils and one for linux-nfs.
>>
>> As I said in my previous email, the patch to nfs-utils was enough to
>> get us farther along, but we failed inside mount(2) with EIO (with a
>> decidedly more confusing error message).
>>
>> So, I've also submitted a patch for the rpc code in the kernel that
>> also avoids bind when asking for a random ephemeral port.  I've tested
>> the combination of these two patches with my system while in the
>> situation I originally outlined.  I can continue to successfully mount
>> NFS filesystems using both of these patches.
>>
>> I don't particularly love the kernel patch, as it makes `xs_bind' not
>> actually bind in all circumstances, which seems confusing.  However, I
>> thought trying to rework things in a larger way would cause more
>> issues given that I'm not very familiar with this code.  If everyone
>> hates it, I can try something else.
>
> To whom did you submit these patches? I don't see anything in the
> linux-nfs mailing list.
>
> --
> Trond Myklebust
>
> Linux NFS client maintainer, PrimaryData
>
> trond.myklebust@primarydata.com