iSCSI Multipath

Installing Multipath Tools

The default installation does not include the 'multipath-tools' package. Use the following commands to install the package:

apt-get update

apt-get install multipath-tools

For more information, see iSCSI Multipath.

Creating a Multipath.conf File

After installing the package, create the following multipath configuration file: /etc/multipath.conf.

Refer to the DataCore Linux Host Configuration Guide for the relevant settings and the adjustments for the PVE in the Wiki iSCSI Multipath.

Copy

    defaults {
        user_friendly_names     yes
        polling_interval           60
        find_multipaths          "smart"
        }

    blacklist {
        devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
               devnode "^hd[a-z]"
        }

    devices {
            device {
                    vendor                  "DataCore"
                    product                 "Virtual Disk"
                    path_checker         tur
                    prio                         alua
                    failback                   10
                    no_path_retry         fail
                    dev_loss_tmo         60
                    fast_io_fail_tmo      5
                    rr_min_io_rq            100
                    path_grouping_policy    group_by_prio
               }
    }

Restarting the Service

Restart the multipath service using the following command to reload the configuration:

systemctl restart multipath-tools

For more information, see the Wiki ISCSI Multipath.