Control groups (cgroups) provide a mechanism to put Linux processes (tasks) into groups, ensuring that critical workloads get the system resources (CPU, memory, and I/O) that...
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DM-Multipath Configuration File….
The main configuration file for DM-Multipath is /etc/multipath.conf. This file is not created by the initial installation of the RPM package. However, the following file is...
Continue reading...Device Multipathing….
Device-Mapper Multipath (DM-Multipath) is a native Linux multipath tool that allows you to configure multiple I/O paths between a server and a storage device into a...
Continue reading...Installing MySQL8 On OEL8 In OCI….
For a requirement, I had to install MySQL on a linux vm. Since I didn’t have a ready VM with Linux on it, so I decided...
Continue reading...OCI Architect Associate, Cleared….
I have cleared OCI Architect Associate exam(1072-22). This was my first time using the Oracle Univ’s own certification platform. It was so an easy and simple...
Continue reading...iSCSI Block Devices….
After establishing a session, the LUNs are represented as block devices in the /dev directory. In an Oracle VM Server for x86 environment, disk devices appear...
Continue reading...iSCSI Initiator Sessions….
A session is a TCP connection between an initiator node port and a target node port.LUNs are not accessible until a session is established. After targets...
Continue reading...Understanding iSCSI Discovery….
Discovery is the process that makes the targets known to an initiator. It defines the method by which the iSCSI targets are found. The following discovery...
Continue reading...Using iscsiadm Utility….
Open-iSCSI persistent configuration is implemented as a database, which consists of a hierarchy of files and directories in the /var/lib/iscsi/ directory: # ls /var/lib/iscsi ifaces isns...
Continue reading...Configuring an iSCSI Initiator….
An iSCSI client functions as an SCSI initiator to access target devices on an iSCSI server. An iSCSI initiator sends SCSI commands over an IP network....
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