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From: Vinod Kumar Vavilapalli <vinodkv@hortonworks.com>
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Subject: Re: hadoop multinode with 2 nodes error starting datanode on slave
Date: Mon, 26 Nov 2012 11:15:19 -0800
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Look at your TaskTracker and DataNode logs. Going by the instructions on =
the page you linked, they should be in /usr/local/hadoop/logs.

+Vinod

On Nov 26, 2012, at 5:07 AM, Kshitij Jhamb wrote:

> hey hadoop users i need some help for running multi node hadoop
> I'm following
>=20
> =
http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-multi=
-node-cluster/
>=20
> I have a hadoop cluster(2 nodes) but I ran jps on the master node and =
slave node but not all process are started
>=20
> master:
> 22160 NameNode
> 22716 Jps
> 22458 JobTracker
>=20
> slave:
> 32195 Jps
>=20
> the slave node is not detecting datanode? can anyone help?
>=20


--Apple-Mail=_D9A5ED29-8E37-40A0-A611-1D1C6C3AC62D
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><div><br></div><div>Look at your TaskTracker and DataNode logs. Going =
by the instructions on the page you linked, they should be in =
/usr/local/hadoop/logs.</div><div><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-align: -webkit-auto; 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; "><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-align: -webkit-auto; 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; "><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-align: -webkit-auto; 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 class=3D""><br></div><div =
class=3D"">+Vinod</div></div></span></div></span></span>
</div>
<br><div><div>On Nov 26, 2012, at 5:07 AM, Kshitij Jhamb wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><span =
style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">hey hadoop users i need some help for =
running multi node hadoop</span><br =
style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">
<span style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">I'm following</span><br =
style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">
<br style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)"><a =
href=3D"http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-lin=
ux-multi-node-cluster/" target=3D"_blank" rel=3D"nofollow nofollow" =
style=3D"color:rgb(59,89,152);text-decoration:initial;font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">http://www.michael-noll.com/<span =
class=3D"word_break" style=3D"display:inline-block"></span>tutorials/<span=
 class=3D"word_break" =
style=3D"display:inline-block"></span>running-hadoop-on-ubuntu-linux-<span=
 class=3D"word_break" =
style=3D"display:inline-block"></span>multi-node-cluster/</a><br =
style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">
<br style=3D"color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)"><div class=3D"text_exposed_show" =
style=3D"display:inline;color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)">
I have a hadoop cluster(2 nodes) but I ran jps on the master node and =
slave node but not all process are started<br><br>master:<br>22160 =
NameNode<br>22716 Jps<br>22458 JobTracker<br><br>slave:<br>32195 =
Jps<br><br>the slave node is not detecting datanode? can anyone =
help?</div>
<div><div class=3D"text_exposed_show" =
style=3D"display:inline;color:rgb(51,51,51);font-family:'lucida =
grande',tahoma,verdana,arial,sans-serif;font-size:13px;line-height:17px;ba=
ckground-color:rgb(255,255,255)"><br></div>
</div>
</blockquote></div><br></body></html>=

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