You can find details about all setting on the manual page: Then you need to create the multipath configuration file '/etc/nf'. The default installation does not include this package, so you first need to install the multipath-tools package: Please configure your iSCSI storage on the GUI if you have not done that already ("Datacenter/Storage: Add iSCSI target").Īctivate Multipath Install multipath tools The iSCSI target, you need to modify the target specific defaults in '/etc/iscsi/nodes///default'Ī modified 'nf' file contains the following lines: You can set those values in '/etc/iscsi/nf' (defaults). Much smaller value of 15 seconds instead.
It is important to start all required iSCSI connections at boot time. Please consult the storage vendor documentation for vendor specific settings. Therefore you need to make sure that you got at least two NICs dedicated for iSCSI, using separate networks (and switches to be protected against switch failures). When multiple paths exists to a storage device (LUN) on a storage subsystem, it is referred as multipath connectivity. The connection from the Proxmox VE host through the iSCSI SAN is referred as a path. (If you use NFS or CIFS, use bonding, e.g. If you use iSCSI, multipath is recommended - this works without configurations on the switches. You have redundancy and maximum performance. Another advantage of multipathing is the increased throughput by way of load balancing.Ĭommon example for the use of multipathing is a iSCSI SAN connected storage device. Main purpose of multipath connectivity is to provide redundant access to the storage devices, i.e to have access to the storage device when one or more of the components in a path fail. 3.2.1 Prioritizing a Certain TCP/IP Path.
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