Category Archives: Exadata

Exadata, How to unlock ilom’s root account

After upgrading to ILOM 5.x, password locking is enabled. So root account could be locked after you change password, especially you forgot change it in oem. You can find more detail in Doc ID 2670512.1 . If the root account is locked, you must unlock and changing password cannot unlock the account. As you cannotContinue reading “Exadata, How to unlock ilom’s root account”

How to create new VM in Exadata

In my exadata environnment, it has 2 compute nodes, 3 cells, 3 VM clusters.Let’s see how to add new VMs cluster .First, add new IPs in DNS server. In my case: exavm01clu04: 172.22.1.241 exavm02clu04: 172.22.1.242 exavm01clu04-vip:172.22.1.244 exavm02clu04-vip:172.22.1.243 scan: 172.22.1.245 172.22.1.246 172.22.1.247 Second, downloading new OEDA(Patch 30640393) , start oeda server and create new VM configContinue reading “How to create new VM in Exadata”

Exadata, How to change ilom root password

For security raison, we need to change dbnode/cell ilom root password regularly. Let’s login to Ilom and change password. > ssh exa01-ilom Password: Oracle(R) Integrated Lights Out Manager Version 4.0.4.52.a r139829 Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. Warning: HTTPS certificate is set to factory default. Hostname: exa01-ilom -> set /SP/users/root passwordContinue reading “Exadata, How to change ilom root password”

Exadata, how to change ilom nameserver by ipconf in cell

You have to stop cell service properly before you change ilom network config in cell. You can find the procedure at How to restart cell services properly I propose you use ipconf to update your network config in exadata system. Don’t use ilom command line , because it doesn’t change /opt/oracle.cellos/cell.conf file, and you will haveContinue reading “Exadata, how to change ilom nameserver by ipconf in cell”

Exadata, how to backup domU

Backup user domaine machine (domU) is quite easy in Exadata system. 1. Pause the DomU [root@db01-m ~]# xm list Name ID Mem VCPUs State Time(s) Domain-0 0 8571 4 r—– 15546936.0 vm01db01.mydomaine.local 48 180227 22 -b—- 56705.8 … root@db01-m ~]# xm pause vm01db01.mydomaine.local [root@db01-m ~]# xm list Name ID Mem VCPUs State Time(s) Domain-0 0Continue reading “Exadata, how to backup domU”

Exadata, how to restart cell services properly

We don’t restart cell services too much often if cell works fine :-). But if we want to restart cell services and you don’t expect ASM instance to be affected, or you don’t want vm node eviction (in the worst case) , we must do it properly. [root@cell01 ~]# cellcli -e LIST GRIDDISK ATTRIBUTES name,asmmodestatus,asmdeactivationoutcomeContinue reading “Exadata, how to restart cell services properly”

Exadata, ILOM DNS server xxx in system configuration must match xxx in /opt/oracle.cellos/cell.conf

I got a error during exadata patchmgr precheck on cell storage. # ./patchmgr -cells cells -log_dir auto -patch_check_prereq -rolling … cel01: [ERROR] Can not continue. Runtime configuration is not consistent with values configured in /opt/oracle.cellos/cell.conf. cel01: [ERROR] Run ipconf to correct the inconsistencies. Failed check: /root/<em>cellupd_dpullec</em>/<em>p</em>/ipconf -check-consistency -at-runtime -semantic -verbose cel01: [ERROR] Details: cel01: ILOMContinue reading “Exadata, ILOM DNS server xxx in system configuration must match xxx in /opt/oracle.cellos/cell.conf”