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

[Weston Andros Adamson <dros@primarydata.com>]

Do these patches require one another?

What happens if I have a patched nfs-utils, but not a patched kernel or the other way around?

-dros


On Sep 5, 2014, at 4:20 PM, Chris Perl <chris.perl@gmail.com> wrote:

> It looks like they may have come through after all, unfortunately I
> already sent them again.  Apologies for the spam.
> 
> On Fri, Sep 5, 2014 at 4:04 PM, Chris Perl <chris.perl@gmail.com> wrote:
>> 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
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