<p dir="ltr">Agreed. V4 is preferred. Currently, server is winders 2008 serving NFS. Bad setup getting replaced.</p>
<div class="gmail_quote">On Apr 10, 2013 12:13 AM, "George Allen" <<a href="mailto:glallen01@gmail.com">glallen01@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Maybe using NFS over TCP instead of UDP may help? Over TCP the dropped<br>
packets will cause the window size to increase, which would 'dial<br>
down' the two clients after the initial overflow.<br>
<br>
On Tue, Apr 9, 2013 at 10:02 PM, Jim Kinney <<a href="mailto:jim.kinney@gmail.com">jim.kinney@gmail.com</a>> wrote:<br>
> Migrating asap to zfs for arrays and still NFS4 for share and adding 10G<br>
> Ethernet. Zfs likes NFS and supports it directly.<br>
><br>
> On Apr 9, 2013 9:35 PM, "Scott McBrien" <<a href="mailto:smcbrien@gmail.com">smcbrien@gmail.com</a>> wrote:<br>
>><br>
>> Sounds like you guys need to move to either a solution other than NFS or<br>
>> change your server to something like a NetApp filer or another such device<br>
>> that's had it's NFS stack monkeyed with to support more volume.<br>
>><br>
>> -Scott<br>
>><br>
>> On Apr 9, 2013, at 9:20 PM, Chuck Payne <<a href="mailto:terrorpup@gmail.com">terrorpup@gmail.com</a>> wrote:<br>
>><br>
>> Jim,<br>
>><br>
>> Sounds like the same issue I having. Driving me crazy to fix it. I got a<br>
>> script doing a ifconfig down and then an up and that works, but it a<br>
>> bandage.<br>
>><br>
>> My mounts are soft.<br>
>><br>
>> I have Gig cards and Gig Switches.<br>
>><br>
>> I will follow this to see it helps with my issue.<br>
>><br>
>> Pup<br>
>><br>
>><br>
>><br>
>><br>
>> On Tue, Apr 9, 2013 at 3:08 PM, JD <<a href="mailto:jdp@algoloma.com">jdp@algoloma.com</a>> wrote:<br>
>>><br>
>>> On 04/09/2013 02:33 PM, Mike Harrison wrote:<br>
>>> > On Tue, 9 Apr 2013, Jim Kinney wrote:<br>
>>> >> so what happens when a series of machines, each with 1G nic all try to<br>
>>> >> read/write to the same NFS mount filesystem,<br>
>>> >> also on a single 1G nic, and this goes on for hours at a time?<br>
>>> >> Eventually, nic<br>
>>> >> buffers fill and the OS is told to "hold that thought". But for how<br>
>>> >> long? Will<br>
>>> >> the OS continue to try<br>
>>> >> the write until it succeeds? Or will the constant buffer overload just<br>
>>> >> cause a<br>
>>> >> nic to flush the buffer and hope for<br>
>>> >> better luck next send?<br>
>>><br>
>>> My use of NFS is a little dated ... seems it would depend on the type of<br>
>>> mount<br>
>>> used - spongy, soft, or hard.<br>
>>> If hard, it will try again and again and will appear to lockup the<br>
>>> machine, IME.<br>
>>> With soft mounts, writes aren't guaranteed.<br>
>>> Spongy has the good of hard and the good of soft mounts. It will give up<br>
>>> after a<br>
>>> specific amount of time and continue as best it can - providing errors as<br>
>>> required. NFS mounts have lots of tunable params, if I recall correctly.<br>
>>><br>
>>> Also, the specific buffer size for the involved NICs would matter too,<br>
>>> but<br>
>>> filling a network buffer should happen relatively quickly.<br>
>>> _______________________________________________<br>
>>> Ale mailing list<br>
>>> <a href="mailto:Ale@ale.org">Ale@ale.org</a><br>
>>> <a href="http://mail.ale.org/mailman/listinfo/ale" target="_blank">http://mail.ale.org/mailman/listinfo/ale</a><br>
>>> See JOBS, ANNOUNCE and SCHOOLS lists at<br>
>>> <a href="http://mail.ale.org/mailman/listinfo" target="_blank">http://mail.ale.org/mailman/listinfo</a><br>
>><br>
>><br>
>><br>
>><br>
>> --<br>
>> Terror PUP a.k.a<br>
>> Chuck "PUP" Payne<br>
>><br>
>> <a href="tel:%28678%29%20636-9678" value="+16786369678">(678) 636-9678</a><br>
>> -----------------------------------------<br>
>> Discover it! Enjoy it! Share it! openSUSE Linux.<br>
>> -----------------------------------------<br>
>> openSUSE -- <a href="http://en.opensuse.org/User:Terrorpup" target="_blank">en.opensuse.org/User:Terrorpup</a><br>
>> openSUSE Ambassador/openSUSE Member<br>
>> Community Manager -- Southeast Linux Foundation (SELF)<br>
>> skype,twiiter,identica,friendfeed -- terrorpup<br>
>> freenode(irc) --terrorpup/lupinstein<br>
>> Register Linux Userid: 155363<br>
>><br>
>> Have you tried SUSE Studio? Need to create a Live CD, an app you want to<br>
>> package and distribute , or create your own linux distro. Give SUSE Studio a<br>
>> try. <a href="http://www.susestudio.com" target="_blank">www.susestudio.com</a>.<br>
>> See you at Southeast Linux Fest, June 7-9, 2013 in Charlotte, NC.<br>
>> <a href="http://www.southeastlinuxfest.org" target="_blank">www.southeastlinuxfest.org</a><br>
>><br>
>> _______________________________________________<br>
>> Ale mailing list<br>
>> <a href="mailto:Ale@ale.org">Ale@ale.org</a><br>
>> <a href="http://mail.ale.org/mailman/listinfo/ale" target="_blank">http://mail.ale.org/mailman/listinfo/ale</a><br>
>> See JOBS, ANNOUNCE and SCHOOLS lists at<br>
>> <a href="http://mail.ale.org/mailman/listinfo" target="_blank">http://mail.ale.org/mailman/listinfo</a><br>
>><br>
>><br>
>> _______________________________________________<br>
>> Ale mailing list<br>
>> <a href="mailto:Ale@ale.org">Ale@ale.org</a><br>
>> <a href="http://mail.ale.org/mailman/listinfo/ale" target="_blank">http://mail.ale.org/mailman/listinfo/ale</a><br>
>> See JOBS, ANNOUNCE and SCHOOLS lists at<br>
>> <a href="http://mail.ale.org/mailman/listinfo" target="_blank">http://mail.ale.org/mailman/listinfo</a><br>
>><br>
><br>
> _______________________________________________<br>
> Ale mailing list<br>
> <a href="mailto:Ale@ale.org">Ale@ale.org</a><br>
> <a href="http://mail.ale.org/mailman/listinfo/ale" target="_blank">http://mail.ale.org/mailman/listinfo/ale</a><br>
> See JOBS, ANNOUNCE and SCHOOLS lists at<br>
> <a href="http://mail.ale.org/mailman/listinfo" target="_blank">http://mail.ale.org/mailman/listinfo</a><br>
><br>
_______________________________________________<br>
Ale mailing list<br>
<a href="mailto:Ale@ale.org">Ale@ale.org</a><br>
<a href="http://mail.ale.org/mailman/listinfo/ale" target="_blank">http://mail.ale.org/mailman/listinfo/ale</a><br>
See JOBS, ANNOUNCE and SCHOOLS lists at<br>
<a href="http://mail.ale.org/mailman/listinfo" target="_blank">http://mail.ale.org/mailman/listinfo</a><br>
</blockquote></div>