The targetcli utility is the administration shell for creating, editing, and viewing the configuration of the kernel’s target subsystem. Run targetcli to enter the configuration shell....
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Configuring an iSCSI Server in OEL 8….
Oracle Linux with both Unbreakable Enterprise Kernel and RHCK uses the Linux-IO Target (LIO) to provide the block-storage SCSI target for FCoE, iSCSI, and Mellanox InfiniBand...
Continue reading...Using iSCSI In Oracle Linux…
Internet Small Computer System Interface (iSCSI) is an IP-based standard for connecting storage devices. iSCSI uses IP networks to encapsulate SCSI commands, allowing data to be...
Continue reading...Tuning OCFS2 Using Mounted.OCFS2 & Debugfs.ocfs2 Commands….
Use the mounted.ocfs2 command to detect and list all OCFS2 volumes. This command scans all devices in /proc/partitions. The following example lists all OCFS2 devices: #...
Continue reading...Tuning OCFS2 Volumes….
Use the tunefs.ocfs2 command to change file system parameters. You can change all parameters except block size and cluster size. The options for tunefs.ocfs2 are similar...
Continue reading...Mounting OCFS2 Volumes….
Use the mount and umount commands to mount and unmount an OCFS2 volume, as you would with any other type of file system. The following example...
Continue reading...Using mkfs.ocfs2 Utility….
Use the mkfs.ocfs2 command to create an OCFS2 volume on a device. You cannot use this utility to overwrite an existing volume that is mounted by...
Continue reading...What Are O2CB Cluster Timeouts….
In addition to configuring the cluster layout in the /etc/ocfs2/cluster.conf file, the O2CB cluster stack configuration consists of cluster timeout configuration. O2CB has four configurable cluster...
Continue reading...Understanding OCFS2 Heartbeat….
The O2CB cluster stack uses a heartbeat to determine whether a node is dead or alive. Connectivity of nodes and storage devices must be assured to...
Continue reading...o2cb Utility….
Use the o2cb utility to add, remove, and list information in the cluster layout configuration file. You can also use this utility to register and unregister...
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