Runcluvfy.sh fails at precheck - nodes unreachable

Question

Hi,
i am trying to run runcluvfy.sh to check Oracle Clusterware Requirements as:
[oracle@raclinux1 clusterware]$ ./runcluvfy.sh stage -pre crsinst -n raclinux1,raclinux2 -r 11gR1 -verbose
The output is the following:
Performing pre-checks for cluster services setup
Checking node reachability...
raclinux1.acme.com: raclinux1.acme.com
Check: Node reachability from node "null"
Destination Node Reachable?
raclinux1 no
raclinux2 no
Result: Node reachability check failed from node "null".
ERROR:
Unable to reach any of the nodes.
Verification cannot proceed.
Pre-check for cluster services setup was unsuccessful on all the nodes.
Although i can use ssh to the other nodes without giving password:
[oracle@raclinux1 clusterware]$ ssh raclinux1 "hostname"
raclinux1.acme.com
[oracle@raclinux1 clusterware]$ ssh raclinux2 "hostname"
raclinux2.acme.com
I checked CV software log in /tmp/bootstrap/cv/log/cvutrace.log.0 and found:
[main] [11:5:26:119] [TaskNodeConnectivity.performTask:311] nw:Performing Node Connectivity verification task...
; Tue Apr 22 11:05:26 CEST 2008
[main] [11:5:26:147] [ResultSet.traceResultSet:239]
Target ResultSet BEFORE Upload===>
Overall Status->UNKNOWN
; Tue Apr 22 11:05:26 CEST 2008
[main] [11:5:26:150] [ResultSet.traceResultSet:239]
Source ResultSet ===>
Overall Status->OPERATION_FAILED
raclinux2-->OPERATION_FAILED
raclinux1-->OPERATION_FAILED
; Tue Apr 22 11:05:26 CEST 2008
[main] [11:5:26:151] [ResultSet.traceResultSet:239]
Target ResultSet AFTER Upload===>
Overall Status->OPERATION_FAILED
raclinux2-->OPERATION_FAILED
raclinux1-->OPERATION_FAILED
; Tue Apr 22 11:05:26 CEST 2008
[main] [11:5:26:154] [CluvfyDriver.main:360] ==== cluvfy exiting normally.; Tue Apr 22 11:05:26 CEST 2008
What does not say too much for me.
Regarding the tech stack:
I am on x86 Enterprise Linux 5 Update 1
cvuqdisk-1.0.1-1
Any idea what i made wrong ?
thanks in advance
szabolcs

Answer 1

Hi All,
thanks for your quick answers :)
I am following this note from OTN:
http://www.oracle.com/technology/pub/articles/hunter_rac11gr1_iscsi_2.html
fzheng :
I am using iscsitarget service. They are visible from all nodes,as:
[oracle@raclinux1 .ssh]$ ls -la /dev/disk/by-path/
total 0
drwxr-xr-x 2 root root 240 Apr 21 19:35 .
drwxr-xr-x 6 root root 120 Apr 21 17:56 ..
lrwxrwxrwx 1 root root 9 Apr 21 17:56 ip-10.0.0.4:3260-iscsi-iqn.2008-04.com.acme:san1.crs -> ../../sdc
lrwxrwxrwx 1 root root 10 Apr 21 17:56 ip-10.0.0.4:3260-iscsi-iqn.2008-04.com.acme:san1.crs-part1 -> ../../sdc1
lrwxrwxrwx 1 root root 9 Apr 21 17:56 ip-10.0.0.4:3260-iscsi-iqn.2008-04.com.acme:san1.disk1 -> ../../sda
lrwxrwxrwx 1 root root 10 Apr 21 19:35 ip-10.0.0.4:3260-iscsi-iqn.2008-04.com.acme:san1.disk1-part1 -> ../../sda1
lrwxrwxrwx 1 root root 9 Apr 21 17:56 ip-10.0.0.4:3260-iscsi-iqn.2008-04.com.acme:san1.disk2 -> ../../sdb
lrwxrwxrwx 1 root root 10 Apr 21 19:35 ip-10.0.0.4:3260-iscsi-iqn.2008-04.com.acme:san1.disk2-part1 -> ../../sdb1
Chris slattery:
from the note above, i did the followings:
[oracle@raclinux1 .ssh]$ /usr/bin/ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_rsa.
Your public key has been saved in /home/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
06:c1:07:04:07:bd:9c:1e:b5:9f:9a:16:82:31:cd:92 [email protected]
[oracle@raclinux2 ~]$ /usr/bin/ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_rsa):
/home/oracle/.ssh/id_rsa already exists.
Overwrite (y/n)? y
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_rsa.
Your public key has been saved in /home/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
29:e5:11:06:e8:e5:ba:35:3d:ab:52:73:28:8f:42:b7 [email protected]
[oracle@raclinux3 .ssh]$ /usr/bin/ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/oracle/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/oracle/.ssh/id_rsa.
Your public key has been saved in /home/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
8f:d1:d0:36:c7:17:fb:3d:53:10:ad:49:c8:55:46:ae [email protected]
Then, from node1:
[oracle@raclinux1 .ssh]$ rm authorized_keys
[oracle@raclinux1 .ssh]$ touch authorized_keys
[oracle@raclinux1 .ssh]$ ls -l *.pub
-rw-r--r-- 1 oracle oinstall 410 Apr 22 14:09 id_rsa.pub
[oracle@raclinux1 .ssh]$ ssh raclinux1 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
oracle@raclinux1's password:
[oracle@raclinux1 .ssh]$ ssh raclinux2 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
[oracle@raclinux1 .ssh]$ ssh raclinux3 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
[oracle@raclinux1 .ssh]$ ssh raclinux3-priv cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
[oracle@raclinux1 .ssh]$ ssh raclinux2-priv cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
[oracle@raclinux1 .ssh]$ ssh raclinux1-priv cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
Enter passphrase for key '/home/oracle/.ssh/id_rsa':
scp ~/.ssh/authorized_keys raclinux2:.ssh/authorized_keys
scp ~/.ssh/authorized_keys raclinux3:.ssh/authorized_keys
[oracle@raclinux1 .ssh]$ scp ~/.ssh/authorized_keys raclinux2:.ssh/authorized_keys
authorized_keys 100% 2460 2.4KB/s 00:00
[oracle@raclinux1 .ssh]$ scp ~/.ssh/authorized_keys raclinux3:.ssh/authorized_keys
authorized_keys 100% 2460 2.4KB/s 00:00
[oracle@raclinux1 .ssh]$ chmod 600 authorized_keys
[oracle@raclinux1 .ssh]$ ssh raclinux1 hostname
Enter passphrase for key '/home/oracle/.ssh/id_rsa':
raclinux1.acme.com
[oracle@raclinux1 .ssh]$ ssh raclinux2 hostname
Enter passphrase for key '/home/oracle/.ssh/id_rsa':
Enter passphrase for key '/home/oracle/.ssh/id_rsa':
raclinux2.acme.com
[oracle@raclinux1 .ssh]$ ssh raclinux3 hostname
Enter passphrase for key '/home/oracle/.ssh/id_rsa':
raclinux3.acme.com
[oracle@raclinux1 .ssh]$ exec /usr/bin/ssh-agent $SHELL
[oracle@raclinux1 .ssh]$ /usr/bin/ssh-add
Enter passphrase for /home/oracle/.ssh/id_rsa:
Identity added: /home/oracle/.ssh/id_rsa (/home/oracle/.ssh/id_rsa)
[oracle@raclinux1 .ssh]$ ssh raclinux1 hostname
raclinux1.acme.com
[oracle@raclinux1 .ssh]$ ssh raclinux2 hostname
raclinux2.acme.com
I am going to chec the documentation..
thanks
szabolcs