Dell PowerStore 3000T EMC PowerStore Host Configuration Guide - Page 30
Fibre Channel Configuration, Pre-Requisites, iSCSI Configuration
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Validation Impact Temporarily disable UNMAP during file system Performance creation. • When creating a file system using the mke2fs command - Use the "-E nodiscard" parameter • When creating a file system using the mkfs.xfs command - Use the "-K" parameter Severity Recommended Refer to Section Creating a File System Fibre Channel Configuration This section describes the recommended configuration that should be applied when attaching hosts to PowerStore cluster using Fibre Channel. NOTE: This section applies only to FC. If you are using only iSCSI with Linux, go to iSCSI HBA Configuration. NOTE: Before proceeding, review Fibre Channel SAN Guidelines. Pre-Requisites When attaching a host to PowerStore cluster using Fibre Channel, the following pre-requisites need to be met: • Refer to the E-Lab Interoperability Navigator (https://elabnavigator.emc.com) for supported Fibre Channel HBA models and drivers. • Verify all HBAs are at the supported driver, firmware and BIOS versions. • Verify all HBAs BIOS settings are configured according to E-Lab recommendations. iSCSI Configuration This section provides an introduction to the recommended configuration to be applied when attaching hosts to PowerStore cluster using iSCSI. NOTE: This section applies only to iSCSI. If you are using only Fibre Channel with Linux and PowerStore, go to Fibre Channel Configuration. NOTE: Before proceeding, review the iSCSI SAN Guidelines section. Pre-Requisites Refer to the E-Lab Interoperability Navigator (https://elabnavigator.emc.com) for supported NIC/iSCSI HBA models and drivers. Configuring the PowerStore Cluster Disk Device with iSCSI To configure the PowerStore disk device, modify the configuration file with the following parameters. The configuration file for the multipath daemon is multipath.conf. It is used to overwrite the built-in configuration table of the multipath daemon. When iSCSI is used with PowerStore, the iscsi.conf file is used to overwrite iSCSI specific multipathing related settings. To configure the PowerStore disk device, modify the /etc/iscsi/iscsid.conf file, using the following parameters: NOTE: The example below is based on RedHat. For details on configuring PowerStore disk device with iSCSI, refer to the specific instructions of your operating system. 30 Host Configuration for Linux