This post will help to configure Oracleasm disks using Udev rules in 2 node cluster. On first node 1. List the disks: [root@node01 ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 2G 0 disk sdb 8:16 0 2G 0 disk Note: Create partitions for the disks. 2. Find the disk ID: [root@node01 ~]# udevadm info --query=all --name=/dev/sda | egrep "WWN|SERIAL" E: ID_SCSI_SERIAL=[id] E: ID_SERIAL=0QEMU_QEMU_HARDDISK_AAAAAAAAA E: … [Read more...] about How to Use Udev Rules to Create oracleasm Disks in CentOS/RHEL 8
Archives for November 2020
How to Configure an NFSv4-only Client using nfsconf in CentOS/RHEL 8
The nfsconf tool CentOS/RHEL 8 introduces the nfsconf tool to manage the NFS client and server configuration files under NFSv4 and NFSv3. Configure the nfsconf tool using /etc/nfs.conf (the /etc/sysconfig/nfs file from earlier versions of the operating system is deprecated now). Use the nfsconf tool to get, set, or unset NFS configuration parameters. The /etc/nfs.conf configuration file is composed of multiple sections starting with a key word in square brackets ([keyword]) with value … [Read more...] about How to Configure an NFSv4-only Client using nfsconf in CentOS/RHEL 8
How to Schedule Tasks Using at in Linux
The atd Daemon The atd daemon allows users to submit jobs to be performed at a later time, such as "at 2:00am". In order to use the atd daemon, it must be running. Users can confirm that atd is running simply by examining a list of running processes: $ ps aux | grep atd daemon 4730 0.0 0.2 1420 532 ? S 15:42 0:00 /usr/sbin/atd madonna 5570 0.0 0.2 3572 640 pts/2 S 16:43 0:00 grep atd Notice that the seventh column specifies what terminal a process is associated … [Read more...] about How to Schedule Tasks Using at in Linux