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From: aaron morton <aaron@thelastpickle.com>
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Subject: Re: EC2 node adding trouble
Date: Thu, 26 May 2011 10:17:01 +1200
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I've seen discussion of using the EIP but I do not have direct =
experience.=20

Others may be able to provide more help.=20

Previous discussion=20
=
http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Does-anyb=
ody-have-experience-with-running-Cassandra-in-Amazon-s-Virtual-Private-Clo=
ud-VPC-td6335709.html

cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 25 May 2011, at 18:49, Marcus Bointon wrote:

> On 25 May 2011, at 02:10, aaron morton wrote:
>=20
>> Check the listen_address and rpc_address in the yaml file for each =
node. I think they are normally set to the private and public =
respectively.=20
>=20
> On all modes, listen_address and rpc_address are blank and 0.0.0.0 =
respectively, the seed node address uses an EC2 external elastic IP's =
DNS name so that it resolves correctly to the seed's internal IP even if =
it changes. Those settings work fine for my existing pair - starting and =
stopping the instances (resulting in internal IP changes) doesn't break =
anything. As far as I can see, setting fixed IPs in here is a recipe for =
management nightmares on EC2.
>=20
> Sound sane?
>=20
> Marcus


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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I've =
seen discussion of using the EIP but I do not have direct =
experience.&nbsp;<div><br></div><div>Others may be able to provide more =
help.&nbsp;</div><div><br></div><div>Previous =
discussion&nbsp;</div><div><a =
href=3D"http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/D=
oes-anybody-have-experience-with-running-Cassandra-in-Amazon-s-Virtual-Pri=
vate-Cloud-VPC-td6335709.html">http://cassandra-user-incubator-apache-org.=
3065146.n2.nabble.com/Does-anybody-have-experience-with-running-Cassandra-=
in-Amazon-s-Virtual-Private-Cloud-VPC-td6335709.html</a></div><div><br></d=
iv><div>cheers</div><div><br></div><div>-----------------</div><div><div><=
div style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; orphans: 2; =
text-indent: 0px; text-transform: none; white-space: normal; widows: 2; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div =
style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><div><div>Aaron =
Morton</div><div>Freelance Cassandra =
Developer</div><div>@aaronmorton</div><div><a =
href=3D"http://www.thelastpickle.com">http://www.thelastpickle.com</a></di=
v></div></div></span></div>
</div>

<br><div><div>On 25 May 2011, at 18:49, Marcus Bointon wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><div>On 25 =
May 2011, at 02:10, aaron morton wrote:<br><br><blockquote =
type=3D"cite">Check the listen_address and rpc_address in the yaml file =
for each node. I think they are normally set to the private and public =
respectively. <br></blockquote><br>On all modes, listen_address and =
rpc_address are blank and 0.0.0.0 respectively, the seed node address =
uses an EC2 external elastic IP's DNS name so that it resolves correctly =
to the seed's internal IP even if it changes. Those settings work fine =
for my existing pair - starting and stopping the instances (resulting in =
internal IP changes) doesn't break anything. As far as I can see, =
setting fixed IPs in here is a recipe for management nightmares on =
EC2.<br><br>Sound =
sane?<br><br>Marcus</div></blockquote></div><br></div></body></html>=

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