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Configuration: About Your Host 87
8
Configuration: About Your Host
Configuring Host Access
Dell PowerVault Modular Disk Storage Manager (MDSM) software is
comprised of multiple modules. One of these modules is the Host Context
Agent. The host context agent is installed as part of the MDSM installation
and runs continuously in the background.
If the host context agent is running on a host, that host and the host ports
connected from it to the storage array are automatically detected by MDSM
and appear on the Mappings tab in the Array Management Window (AMW).
For more information on the Mappings tab, see "Using the Mappings Tab" on
page 88.
If the hosts are not detected automatically, you can use the Define Host
Wizard to define the hosts that access the virtual disks in the storage array.
Defining a host is one of the steps required to let the storage array know
which hosts are attached to it and to allow access to the virtual disks. For
more information on defining the hosts, see "Defining a Host" on page 88.
To enable the host to write to the storage array, you must map the host to the
virtual disk. This mapping grants a host or a host group access to a particular
virtual disk or to a number of virtual disks in a storage array. You can define the
mappings on the Mappings tab in the Array Management Window (AMW).
On the Summary tab in the AMW, the Hosts & Mappings area indicates how
many hosts are configured to access the storage array. You can click
Configured Hosts in the Hosts & Mappings area to see the names of the hosts.
A collection of elements, such as default host groups, hosts, and host ports,
appear as nodes in the Topology pane of the Mappings tab in the AMW.
book.book Page 87 Wednesday, June 8, 2011 5:01 PM