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List: dhcp-users
Subject: Re: Gracefully shutdown dhcpd
From: Shraddha Pandhe <spandhe.openstack () gmail ! com>
Date: 2015-06-24 18:41:06
Message-ID: CAGwnvr6Jzx+GwB-Mydf3eNOLzndmOj2CBmp6Cxz0t8bT80rg=g () mail ! gmail ! com
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Thanks Bob!
On Wed, Jun 24, 2015 at 11:26 AM, Bob Harold <rharolde@umich.edu> wrote:
>
> On Wed, Jun 24, 2015 at 1:30 PM, Shraddha Pandhe <
> spandhe.openstack@gmail.com> wrote:
>
>> Hi Bob,
>>
>> Thanks for responding. I tried out SIGTERM. Here are my findings.
>>
>> When I follow the omshell way of graceful shutdown [1], I see following
>> in dhcpd logs. This seems like graceful shutdown. But when I do `kill -15
>> <pid>` I don't see any such log. Is there a way to verify that dhcpd has
>> shutdown gracefully?
>>
>>
>>
>> Jun 24 17:26:32 painedingrained dhcpd: Disabling output on
>> LPF/eth0/fa:16:3e:0c:f2:ef/**.**.**.**/**
>>
>> Jun 24 17:26:32 painedingrained dhcpd: Disabling input on
>> LPF/eth0/fa:16:3e:0c:f2:ef/**.**.**.**/**
>>
>>
>>
>>
>>
>> [1] omshell
>>
>> > server 127.0.0.1
>>
>> > port 8080
>>
>> > connect
>>
>> obj: <null>
>>
>> > new control
>>
>> obj: control
>>
>> > open
>>
>> obj: control
>>
>> state = 00:00:00:00
>>
>> > set state = 2
>>
>> obj: control
>>
>> state = 2
>>
>> > update
>>
>> can't update object: connection reset by peer
>>
>> obj: control
>>
>> state = 2
>>
>> >
>>
>>
> I don't know. Hopefully someone else can help.
>
> Bob Harold
>
>
>
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> dhcp-users@lists.isc.org
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>
[Attachment #5 (text/html)]
<div dir="ltr">Thanks Bob!</div><div class="gmail_extra"><br><div \
class="gmail_quote">On Wed, Jun 24, 2015 at 11:26 AM, Bob Harold <span \
dir="ltr"><<a href="mailto:rharolde@umich.edu" \
target="_blank">rharolde@umich.edu</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><div dir="ltr"><div \
class="gmail_extra"><div><div><br></div></div><div class="gmail_quote"><div><div \
class="h5">On Wed, Jun 24, 2015 at 1:30 PM, Shraddha Pandhe <span dir="ltr"><<a \
href="mailto:spandhe.openstack@gmail.com" \
target="_blank">spandhe.openstack@gmail.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><div dir="ltr">Hi Bob,<div><br></div><div>Thanks for \
responding. I tried out SIGTERM. Here are my findings.</div><div><br></div><div>When \
I follow the omshell way of graceful shutdown [1], I see following in dhcpd logs. \
This seems like graceful shutdown. But when I do `kill -15 <pid>` I don't \
see any such log. Is there a way to verify that dhcpd has shutdown \
gracefully?</div><div><br></div><div><p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0);min-height:16px"><br></p>
<p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0);min-height:16px"><br></p>
<p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">Jun \
24 17:26:32 painedingrained dhcpd: Disabling output on \
LPF/eth0/fa:16:3e:0c:f2:ef/**.**.**.**/**</p> <p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">Jun \
24 17:26:32 painedingrained dhcpd: Disabling input on \
LPF/eth0/fa:16:3e:0c:f2:ef/**.**.**.**/**</p> <p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0);min-height:16px"><br></p><p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0);min-height:16px"><br></p></div><div><br></div><div>[1] \
<span style="color:rgb(245,245,245);font-family:Monaco;font-size:12px;background-color:rgb(0,0,0)"> \
</span><span style="color:rgb(245,245,245);font-family:Monaco;font-size:12px;background-color:rgb(0,0,0)">omshell</span></div>
<p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
server 127.0.0.1</p> <p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
port 8080</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
connect</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">obj: \
<null></p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
new control</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">obj: \
control</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
open</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">obj: \
control</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">state \
= 00:00:00:00</p> <p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
set state = 2</p> <p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">obj: \
control</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">state \
= 2</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
update</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">can't \
update object: connection reset by peer</p> <p \
style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">obj: \
control</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">state \
= 2</p> <p style="margin:0px;font-size:12px;font-family:Monaco;color:rgb(245,245,245);background-color:rgb(0,0,0)">> \
</p><div><br></div></div></blockquote><div><br></div></div></div><div>I don't \
know. Hopefully someone else can help.</div><span class="HOEnZb"><font \
color="#888888"><div><br></div><div>Bob Harold</div><div> \
</div></font></span></div><br></div></div> \
<br>_______________________________________________<br> dhcp-users mailing list<br>
<a href="mailto:dhcp-users@lists.isc.org">dhcp-users@lists.isc.org</a><br>
<a href="https://lists.isc.org/mailman/listinfo/dhcp-users" rel="noreferrer" \
target="_blank">https://lists.isc.org/mailman/listinfo/dhcp-users</a><br></blockquote></div><br></div>
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