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# # nslookup rh7ttc-scan Server: 192.1 Address: 192.1#53 Name: rh7ttc-scan.localdomain Address: 192.1 Name: rh7ttc-scan.localdomain Address: 192.1 Name: rh7ttc-scan.localdomain Address: 192.1 # nslookup rh7ttcn1 Server: 192.1 Address: 192.1#53 Name: rh7ttcn1.localdomain Address: 192.1 # nslookup rh7ttcn2 Server: 192.1 Address: 192.1#53 Name: rh7ttcn2.localdomain Address: 192.1 # ip route default via 10.0.2.2 dev enp0s3 proto static metric 100 10.0.0.0/8 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100 192.168.43.0/24 dev enp0s9 proto kernel scope link src 192.1 metric 100 192.168.56.0/24 dev enp0s8 proto kernel scope link src 192.1 metric 100 # cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 # # Public 192.1 rh7ttcn1 rh7ttcn1.localdomain 192.1 rh7ttcn2 rh7ttcn2.localdomain # Private 192.1 rh7ttcn1-priv rh7ttcn1-priv.localdomain 192.1 rh7ttcn2-priv rh7ttcn2-priv.localdomain # VIP 192.1 rh7ttcn1-vip rh7ttcn1-vip.localdomain 192.1 rh7ttcn2-vip rh7ttcn2-vip.localdomain # [rhel-7-server-eus-optional-rpms] metadata_expire = 86400 sslclientcert = /etc/pki/entitlement/4386790787952850995baseurl = https://cdn.redhat.com/content/eus/rhel/server/7/$releasever/$basearch/optional/os ui_repoid_vars = releasever basearch sslverify = 1 name = Red Hat Enterprise Linux 7 Server - Extended Update Support - Optional (RPMs) sslclientkey = /etc/pki/entitlement/4386790787952850995gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release enabled = 1 sslcacert = /etc/rhsm/ca/gpgcheck = 1 # ls -rtl total 28 -rw-------. 1 root root 17108 Mar 18 oracle-database-server-12c R2-preinstall-1.0-1.el7.x86_64-rw-r--r--. rh7ttcn2: PRVG-10461 : Group "asmdba" selected for privileges "OSDBA" does not exist on node "rh7ttcn2". FAILED rh7ttcn1: PRVG-10460 : User "oracle" does not belong to group "asmadmin" selected for privileges "OSASM" on node "rh7ttcn1".

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Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /var/lib/Backup PC/.ssh/id_rsa.

Your public key has been saved in /var/lib/Backup PC/.ssh/id_

Each RAC node must: The cluster should have also 3 differents virtual IP adresses (VIP) to be used only by the SCAN listener: a single name should be resolved by 3 differents adresses.

The following table gives the SCAN network configuration used for this installation: A 2-node Oracle RAC cluster needs actually 3 machines (if you dedicate DNS server to a different virtual machine (VM)): One of the very first thing to do is to choose hostnames and network IP addresses.

UUID: 6c305e48-c048-422d-a356-030535376945 $ vboxmanage createhd --filename rh7ttcn1.rh7ttcn22--size=40960 -format=VDI --variant=fixe 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% Medium created. PASSED Verifying subnet mask consistency for subnet "192.168.56.0" ... FAILED PRVG-1172 : The IP address "10.0.2.15" is on multiple interfaces "enp0s3" on nodes "rh7ttcn1,rh7ttcn2" rh7ttcn1: PRVG-11067 : TCP connectivity from node "rh7ttcn1": "10.0.2.15" to node "rh7ttcn1": "10.0.2.15" failed.