Apps DBA Workshop

This article will provide the details for  the installation of the docker package on Oracle Enterprise Linux 8.7: Installation of Pre-Requisite packages: [root@localhost ~]# dnf install -y dnf-utils zip unzip Oracle Linux 8 BaseOS Latest (x86_64) 10 kB/s | 3.6 kB 00:00 Oracle Linux 8 BaseOS Latest (x86_64) 6.1 MB/s | 58 MB 00:09 Oracle Linux 8 Application Stream (x86_64) 12 kB/s | 3.9 kB 00:00 Oracle Linux 8 Application Stream (x86_64) 4.7 MB/s | 46 MB 00:09 Oracle Linux 8 CodeReady Builder (x86_64) - Uns 9.8 kB/s | 3.3 kB 00:00 Oracle Linux 8 CodeReady Builder (x86_64) - Uns 3.0 MB/s | 8.4 MB 00:02 Oracle Linux 8 Distro Builder (x86_64) - Unsupp 10 kB/s | 3.3 kB 00:00 Oracle Linux 8 Distro Builder (x86_64) - Unsupp 1.5 MB/s | 1.7 MB 00:01 Latest Unbreakable Enterprise Kernel Release 7 9.4 kB/s | 3.0 kB 00:00 Package zip-3.0-23.el8.x86_64 is already installed. Package unzip...

The system was not coming up for a few of the critical services went into maintenance mode. In this article, we will see how we can fix this issue. Login to the OS in maintenance mode: Enter user name for system maintenance (control-d to bypass): root Enter root password (control-d to bypass): single-user privilege assigned to root on /dev/console. Entering System Maintenance Mode May 22 12:44:51 su: 'su root' succeeded for root on /dev/console Oracle Solaris 11.4.49.126.2 Assembled August 2022 You have new mail. root@ijrpscrm-p-w2:~# Check the services impacted: root@ijrpscrm-p-w2:~# svcs -x svc:/system/filesystem/minimal:default (minimal file system mounts) State: maintenance since 2023-02-22T12:41:29 Reason: Start method exited with $SMF_EXIT_ERR_FATAL. See: http://support.oracle.com/msg/SMF-8000-KS See: /var/svc/log/system-filesystem-minimal:default.log Impact: 126 dependent services are not running. (Use -v for list.) svc:/network/rpc/smse...

In this blogpost we will see how we can provision the newly added disks to the guest VM and inside guest VM how we can add the newly provisioned disks to an existing mirrored zpool. Check the disks on controller Domain: root@IJRERPS72L:/dev/rdsk# echo | format Searching for disks...done 20. c3t5000CCA02B324091d0 /pci@302/pci@2/pci@0/pci@17/LSI,sas@0/iport@ff/disk@w5000cca02b324091,0 /dev/chassis/SYS/HDD20/disk 21. c3t5000CCA02B31C5A1d0 /pci@302/pci@2/pci@0/pci@17/LSI,sas@0/iport@ff/disk@w5000cca02b31c5a1,0 /dev/chassis/SYS/HDD21/disk 22. c3t5000CCA02B31D57Dd0 /pci@302/pci@2/pci@0/pci@17/LSI,sas@0/iport@ff/disk@w5000cca02b31d57d,0 /dev/chassis/SYS/HDD22/disk 23. c3t5000CCA02B30E6B1d0 /pci@302/pci@2/pci@0/pci@17/LSI,sas@0/iport@ff/disk@w5000cca02b30e6b1,0 /dev/chassis/SYS/HDD23/disk Disks 20-23 to be provisioned on guest domain.   Create logical disk service for new disks on the controller do...

Are you stuck in same situation where your guest ldom root file system is full and VM went into the transition mode? Then this is the right technical article that will help you to overcome this issue. We encountered this issue in one of our customer environments and were able to fix it successfully. Currently there are two volumes attached to to virtual machine DISK NAME VOLUME TOUT ID DEVICE SERVER MPGROUP ijrcrm5-vol1 ijrcrm5-vol1@primary-vds0 0 disk@0 primary ijrcrm1-vol2 ijrcrm5-vol2@primary-vds0 1 disk@1 primary ijrcrm5-vol1 is the OS volume attached to the VM root@IJRSVP-SOL-CDM1:/dev/zvol/dsk/rpool# zfs get volsize rpool/ijrcrm5-vol1 NAME PROPERTY VALUE SOURCE rpool/ijrcrm5-vol1 volsize 50G local root@IJRSVP-SOL-CDM1:/dev/zvol/dsk/rpool# Now we need to increase the volume size from the controller domain: root@IJRSVP-SOL-CDM1:/dev/zvol/dsk/rpool# zfs set volsize=70g rpool/ijrcrm5-vol1...