{"id":12499,"date":"2019-06-07T20:54:33","date_gmt":"2019-06-07T18:54:33","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/why-oda-reimaging-doesnt-work-on-the-first-try\/"},"modified":"2019-06-07T20:54:33","modified_gmt":"2019-06-07T18:54:33","slug":"why-oda-reimaging-doesnt-work-on-the-first-try","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/why-oda-reimaging-doesnt-work-on-the-first-try\/","title":{"rendered":"Why ODA reimaging doesn’t work on the first try?"},"content":{"rendered":"

Introduction<\/strong><\/p>\n

Reimaging an ODA is a good practice for a lot of reasons. To make your ODA cleaner if it’s running for many years and if you patch regularly. To simplify patching because if you’re late you could have to apply multiple intermediate patches to reach the target version. Or simply because you need to change the configuration (for example network configuration) and you want to make things clean, and be sure that future patches will be OK after the changes.<\/p>\n

Understand the reimaging process<\/strong><\/p>\n

Actually, reimaging is divided in two operations. The pure reimaging of the nodes with a dedicated ISO file (barely an OS installation). And then the create appliance part. Reimaging means completely reinstall the ODA from scratch, so you can think that everything will be cleaned up. But reimaging is something slightly different. It only means reinstalling the software on the node. For sure, if you have 2 nodes (HA ODAs) you will have to do the pure reimaging on both nodes. Most of the time pure reimaging is working fine. Just after the reimaging you will need to deploy\/create the appliance (for all ODAs using 18.3 or later) from the first node only, and this step can be quite stressful.<\/p>\n

Typical problem encountered<\/strong><\/p>\n

This example comes from an ODA X6-2S, but it’s quite the same problem on all the ODAs. You just succesfully reimaged the server, and configured straight the network with odacli-firstnet. As soon as your ODA is in the network, you can copy the GI and DB clones needed to create the appliance. Create the appliance stands for configuring the system for Oracle, installing all the Oracle software, configuring ASM, creating a first database and so on. You’ll find these steps in the official documentation. In this case, a few minutes after running the create-appliance, you discover that the appliance creation failed.<\/p>\n

 \/opt\/oracle\/dcs\/bin\/odacli describe-job -i 3f93ad2d-7f0f-4f25-90cb-d3937b1270a9\n\nJob details\n----------------------------------------------------------------\n                     ID:  3f93ad2d-7f0f-4f25-90cb-d3937b1270a9\n            Description:  Provisioning service creation\n                 Status:  Failure\n                Created:  May 24, 2019 5:08:50 PM CEST\n                Message:  DCS-10001:Internal error encountered: Fail to run root scripts : .\n\nTask Name                                Start Time                          End Time                            Status\n---------------------------------------- ----------------------------------- ----------------------------------- ----------\nProvisioning service creation            May 24, 2019 5:08:50 PM CEST        May 24, 2019 5:21:47 PM CEST        Failure\nProvisioning service creation            May 24, 2019 5:08:50 PM CEST        May 24, 2019 5:21:47 PM CEST        Failure\nnetworks updation                        May 24, 2019 5:08:51 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nupdating network                         May 24, 2019 5:08:51 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nSetting up Network                       May 24, 2019 5:08:51 PM CEST        May 24, 2019 5:08:51 PM CEST        Success\nOS usergroup 'asmdba'creation            May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS usergroup 'asmoper'creation           May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS usergroup 'asmadmin'creation          May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS usergroup 'dba'creation               May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS usergroup 'dbaoper'creation           May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS usergroup 'oinstall'creation          May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS user 'grid'creation                   May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nOS user 'oracle'creation                 May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nSSH equivalance setup                    May 24, 2019 5:08:59 PM CEST        May 24, 2019 5:08:59 PM CEST        Success\nGrid home creation                       May 24, 2019 5:09:06 PM CEST        May 24, 2019 5:11:57 PM CEST        Success\nCreating GI home directories             May 24, 2019 5:09:06 PM CEST        May 24, 2019 5:09:06 PM CEST        Success\nCloning Gi home                          May 24, 2019 5:09:06 PM CEST        May 24, 2019 5:11:56 PM CEST        Success\nUpdating GiHome version                  May 24, 2019 5:11:56 PM CEST        May 24, 2019 5:11:57 PM CEST        Success\nStorage discovery                        May 24, 2019 5:11:57 PM CEST        May 24, 2019 5:16:33 PM CEST        Success\nGrid stack creation                      May 24, 2019 5:16:33 PM CEST        May 24, 2019 5:21:47 PM CEST        Failure\nConfiguring GI                           May 24, 2019 5:16:33 PM CEST        May 24, 2019 5:18:13 PM CEST        Success\nRunning GI root scripts                  May 24, 2019 5:18:13 PM CEST        May 24, 2019 5:21:47 PM CEST        Failure\n<\/pre>\n
You were thinking that reimaging was a good idea, and now you’re affraid that maybe not… But don’t panic, it’s a normal behavior.<\/p>\n
As this error is related to GI stack configuration, you need to look into the GI logs, as you would do on another platform.<\/p>\n
vi \/u01\/app\/18.0.0.0\/grid\/install\/root_odadbi03_2019-05-24_17-18-13-479398837.log\n\n...\n2019\/05\/24 17:20:47 CLSRSC-594: Executing installation step 17 of 20: 'InitConfig'.\nCRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'odadbi'\nCRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'odadbi' has completed\nCRS-4133: Oracle High Availability Services has been stopped.\nCRS-4123: Oracle High Availability Services has been started.\nCRS-2672: Attempting to start 'ora.evmd' on 'odadbi'\nCRS-2672: Attempting to start 'ora.mdnsd' on 'odadbi'\nCRS-2676: Start of 'ora.mdnsd' on 'odadbi' succeeded\nCRS-2676: Start of 'ora.evmd' on 'odadbi' succeeded\nCRS-2672: Attempting to start 'ora.gpnpd' on 'odadbi'\nCRS-2676: Start of 'ora.gpnpd' on 'odadbi' succeeded\nCRS-2672: Attempting to start 'ora.cssdmonitor' on 'odadbi'\nCRS-2672: Attempting to start 'ora.gipcd' on 'odadbi'\nCRS-2676: Start of 'ora.cssdmonitor' on 'odadbi' succeeded\nCRS-2676: Start of 'ora.gipcd' on 'odadbi' succeeded\nCRS-2672: Attempting to start 'ora.cssd' on 'odadbi'\nCRS-2672: Attempting to start 'ora.diskmon' on 'odadbi'\nCRS-2676: Start of 'ora.diskmon' on 'odadbi' succeeded\nCRS-2676: Start of 'ora.cssd' on 'odadbi' succeeded\nCreating SQL script file \/tmp\/asminit_sql_2019-05-24-17-21-15.sql\ncat: \/etc\/grub.conf: Permission denied\n\nSQL*Plus: Release 18.0.0.0.0 - Production on Fri May 24 17:21:15 2019\nVersion 18.3.0.0.0\n\nCopyright (c) 1982, 2018, Oracle.  All rights reserved.\n\nConnected to an idle instance.\n\nASM instance started\n\nTotal System Global Area 1136934472 bytes\nFixed Size                  8666696 bytes\nVariable Size            1103101952 bytes\nASM Cache                  25165824 bytes\nASM diskgroups mounted\nASM diskgroups volume enabled\ncreate diskgroup DATA NORMAL REDUNDANCY\n*\nERROR at line 1:\nORA-15018: diskgroup cannot be created\nORA-15030: diskgroup name \"DATA\" is in use by another diskgroup\n...\n<\/pre>\n
Problem is quite obvious, diskgroup creation failed when creating DATA diskgroup. As a result, your GI configuration is not complete, and there is no way to go further.<\/p>\n
Why ASM is in trouble when reimaging?<\/strong><\/p>\n
Actually, reimaging an ODA will erase all the data on the local disks (the 2 disks for the system) but will not erase anything on the disks dedicated to ASM (the data disks), even if you’re using a lite ODA like most of us these days. As a result, data disks are still configured with previous ASM headers and data, leading to the failure. You can avoid this error by thinking of cleaning up the ODA BEFORE the reimaging (please refer to the dedicated procedure for your version\/your ODA). In our case, we totally missed to clean up before, so after the first deployment failure, you’ll find a script for purging ASM tagging and data on disks :<\/p>\n
\/opt\/oracle\/oak\/onecmd\/cleanup.pl\nINFO: *******************************************************************\nINFO: ** Starting process to cleanup provisioned host odadbi03           **\nINFO: *******************************************************************\nINFO: Default mode being used to cleanup a provisioned system.\nINFO: It will change all ASM disk status from MEMBER to FORMER\nDo you want to continue (yes\/no) : yes\nINFO:\nRunning cleanup will delete Grid User - 'grid' and\nINFO: DB user - 'oracle' and also the\nINFO: groups 'oinstall,dba,asmadmin,asmoper,asmdba'\nINFO: nodes will be rebooted\nDo you want to continue (yes\/no) : yes\n\u2026\n<\/pre>\n
After this cleanup, the server will reboot, and you will be able to retry the odacli create-appliance:<\/p>\n
\/opt\/oracle\/dcs\/bin\/odacli describe-job -i \"3571b291-be91-4cd4-a133-b52ead24ff61\"\n\nJob details\n----------------------------------------------------------------\n                     ID:  3571b291-be91-4cd4-a133-b52ead24ff61\n            Description:  Provisioning service creation\n                 Status:  Success\n                Created:  May 24, 2019 5:53:44 PM CEST\n                Message:\n\nTask Name                                Start Time                          End Time                            Status\n---------------------------------------- ----------------------------------- ----------------------------------- ----------\nnetworks updation                        May 24, 2019 5:53:45 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nupdating network                         May 24, 2019 5:53:45 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nSetting up Network                       May 24, 2019 5:53:45 PM CEST        May 24, 2019 5:53:45 PM CEST        Success\nOS usergroup 'asmdba'creation            May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS usergroup 'asmoper'creation           May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS usergroup 'asmadmin'creation          May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS usergroup 'dba'creation               May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS usergroup 'dbaoper'creation           May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS usergroup 'oinstall'creation          May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS user 'grid'creation                   May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nOS user 'oracle'creation                 May 24, 2019 5:53:52 PM CEST        May 24, 2019 5:53:52 PM CEST        Success\nSSH equivalance setup                    May 24, 2019 5:53:53 PM CEST        May 24, 2019 5:53:53 PM CEST        Success\nGrid home creation                       May 24, 2019 5:54:00 PM CEST        May 24, 2019 5:57:08 PM CEST        Success\nCreating GI home directories             May 24, 2019 5:54:00 PM CEST        May 24, 2019 5:54:00 PM CEST        Success\nCloning Gi home                          May 24, 2019 5:54:00 PM CEST        May 24, 2019 5:57:06 PM CEST        Success\nUpdating GiHome version                  May 24, 2019 5:57:06 PM CEST        May 24, 2019 5:57:08 PM CEST        Success\nStorage discovery                        May 24, 2019 5:57:08 PM CEST        May 24, 2019 6:01:46 PM CEST        Success\nGrid stack creation                      May 24, 2019 6:01:46 PM CEST        May 24, 2019 6:18:04 PM CEST        Success\nConfiguring GI                           May 24, 2019 6:01:46 PM CEST        May 24, 2019 6:03:27 PM CEST        Success\nRunning GI root scripts                  May 24, 2019 6:03:27 PM CEST        May 24, 2019 6:12:52 PM CEST        Success\nRunning GI config assistants             May 24, 2019 6:12:53 PM CEST        May 24, 2019 6:14:45 PM CEST        Success\nSetting AUDIT SYSLOG LEVEL               May 24, 2019 6:14:53 PM CEST        May 24, 2019 6:14:53 PM CEST        Success\nPost cluster OAKD configuration          May 24, 2019 6:18:04 PM CEST        May 24, 2019 6:21:17 PM CEST        Success\nDisk group 'RECO'creation                May 24, 2019 6:21:25 PM CEST        May 24, 2019 6:21:35 PM CEST        Success\nVolume 'datDBTEST'creation               May 24, 2019 6:21:35 PM CEST        May 24, 2019 6:22:06 PM CEST        Success\nVolume 'reco'creation                    May 24, 2019 6:22:06 PM CEST        May 24, 2019 6:22:25 PM CEST        Success\nVolume 'commonstore'creation             May 24, 2019 6:22:25 PM CEST        May 24, 2019 6:22:44 PM CEST        Success\nACFS File system 'DATA'creation          May 24, 2019 6:22:44 PM CEST        May 24, 2019 6:22:59 PM CEST        Success\nACFS File system 'RECO'creation          May 24, 2019 6:22:59 PM CEST        May 24, 2019 6:23:15 PM CEST        Success\nACFS File system 'DATA'creation          May 24, 2019 6:23:15 PM CEST        May 24, 2019 6:23:30 PM CEST        Success\nDatabase home creation                   May 24, 2019 6:23:30 PM CEST        May 24, 2019 6:27:02 PM CEST        Success\nValidating dbHome available space        May 24, 2019 6:23:30 PM CEST        May 24, 2019 6:23:30 PM CEST        Success\nCreating DbHome Directory                May 24, 2019 6:23:30 PM CEST        May 24, 2019 6:23:30 PM CEST        Success\nExtract DB clones                        May 24, 2019 6:23:30 PM CEST        May 24, 2019 6:25:08 PM CEST        Success\nClone Db home                            May 24, 2019 6:25:08 PM CEST        May 24, 2019 6:26:47 PM CEST        Success\nEnable DB options                        May 24, 2019 6:26:47 PM CEST        May 24, 2019 6:26:56 PM CEST        Success\nRun Root DB scripts                      May 24, 2019 6:26:56 PM CEST        May 24, 2019 6:26:56 PM CEST        Success\nProvisioning service creation            May 24, 2019 6:27:02 PM CEST        May 24, 2019 6:35:18 PM CEST        Success\nDatabase Creation                        May 24, 2019 6:27:02 PM CEST        May 24, 2019 6:33:23 PM CEST        Success\nChange permission for xdb wallet files   May 24, 2019 6:33:23 PM CEST        May 24, 2019 6:33:23 PM CEST        Success\nPlace SnapshotCtrlFile in sharedLoc      May 24, 2019 6:33:23 PM CEST        May 24, 2019 6:33:25 PM CEST        Success\nSqlPatch upgrade                         May 24, 2019 6:34:46 PM CEST        May 24, 2019 6:35:16 PM CEST        Success\nupdating the Database version            May 24, 2019 6:35:16 PM CEST        May 24, 2019 6:35:18 PM CEST        Success\nusers tablespace creation                May 24, 2019 6:35:18 PM CEST        May 24, 2019 6:35:20 PM CEST        Success\nInstall TFA                              May 24, 2019 6:35:20 PM CEST        May 24, 2019 6:39:53 PM CEST        Success\n<\/pre>\n
Everything is OK now.<\/p>\n
Conclusion<\/strong><\/p>\n
ODA reimaging does not include data disk formating, you are now aware of that. The other thing reimaging is not doing is to patch the bios, firmwares and all the microcodes in your ODA. So just after the create-appliance, don’t forget to apply the patch even you’re already in the target version.<\/p>\n","protected":false},"excerpt":{"rendered":"
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