[Server-devel] DNS & Connectivity Issues

Tony Pearson tpearson at us.ibm.com
Tue Aug 5 13:22:58 EDT 2008

Updated /dev/sda3's version /etc/resolv.conf to change second line to new 

sysresccd etc # cat resolv.conf
search venango.org

Tony Pearson
Senior Storage Consultant, IBM System Storage™
Telephone: +1 520-799-4309 |  tie 321-4309 |  Cell: +1 520 990-8669
email: tpearson at us.ibm.com |  GSA: http://tucgsa.ibm.com/~tpearson
Blog: http://www.ibm.com/developerworks/blogs/page/InsideSystemStorage
AKA: 990tony Paravane, eightbar specialist 

"Glen Roberts" <glen at venango.org> 
08/01/2008 03:46 PM
Please respond to
<glen at venango.org>

"Pablo Flores" <pflores2 at gmail.com>
<gregsmitholpc at gmail.com>, Tony Pearson/Tucson/IBM at IBMUS, 
<marcelr01 at gmail.com>, <saidramirez0 at gmail.com>, <sj at laptop.org>, 
<tarunpondicherry at gmail.com>, <server-devel at lists.laptop.org>
DNS & Connectivity Issues

Today just after noon (edt) our Qwest internet connection (not the one the 
EDU server is on) went down. I was in the middle of upgrading the DNS 
servers so it frustrated that task enormously.

Qwest seemed to have the service more or less restored by 4:30 PM or so. 
At that time I noticed an email from AT&T saying that they had monitored 
outages on our AT&T circuit (the one the EDU server is on). Apparently 
this was of an intermittent nature.

Apparently Verizon had a fiber cut somewhere....

The result is that DNS was probably down for 5+ hours and the connection 
otherwise intermittent. There may still be DNS issues but I am too tired 
to dig too deeply until tomorrow. was probably configured as a 
secondary dns in /etc/resolv.conf on edublog. It might be better to change 
that to (opendns.org) as is no long active.


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