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trouble shooting NFS on open solaris. Keeps dropping connection.

Posted on 2011-03-08
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Last Modified: 2016-05-30
I am able to connect to a NFS share no problem. It seems like every 4 or 5 min it drops the connection. I was able to keep a constant ping going and never lost a packet durning the drops. Anyone have any ideas or basic things i can check?

Thanks in advance.
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Question by:VmZombie
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6 Comments
 
LVL 47

Expert Comment

by:dlethe
ID: 35085224
In such cases I always go to my ethernet switch. Hopefully yours has some intelligence and a web-enabled front end.  The switch will generally tell you what is going on.  
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Accepted Solution

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Joseph Gan earned 500 total points
ID: 35114425
Solaris is often unable to correctly auto-negotiate duplex settings with a link partner (e.g. switch), especially when the switch is set to 100Mbit full-duplex. You can force the NIC into 100Mbit full-duplex by disabling auto-negotiation and 100Mbit half-duplex capability.

Example with hme0:

Make the changes to the running system.
# ndd -set /dev/hme adv_100hdx_cap 0
# ndd -set /dev/hme adv_100fdx_cap 1
# ndd -set /dev/hme adv_autoneg_cap 0
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Author Comment

by:VmZombie
ID: 35169522
Thank you Ganjos. I am getting the vendor who supports the box and i am going to see if they can hard code it for me 1000full. I am just getting really bad performance to that box. So maybe hard coding it on both sides to 1000full will help.

I'll let you know.
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Expert Comment

by:EE_AutoDeleter
ID: 41623770
I've requested that this question be deleted for the following reason:

                           
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LVL 47

Expert Comment

by:dlethe
ID: 41623771
https:#a35114425 correctly answers the question.  Whether or not the author gets around to implementing it is irrelevant. The expert should be awarded.
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