Dell PowerVault MD3000i User's Guide - Page 43
About Your Host, Configuring Host Access
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5 About Your Host This chapter covers basic information about configuring host groups and host access, host topology, and I/O data path protection. A host is a system that accesses a storage array and is mapped to the virtual disks through one or more host connections. Hosts have the following attributes: • Host name - A name that uniquely identifies the host. • Host type - The operating system running on the host. • Host connection - A physical connection to the host server. Host connections can be automatically detected by MD Storage Manager and can be identified by an alias assigned by the user. • Host group - A host may be associated with other hosts to share access to the same virtual disks. Configuring Host Access Configuring host access allows you to either permit or deny access to a storage array for specific hosts. When you permit host access, that host can then be mapped to a virtual disk on the storage array. On the Summary tab, the Hosts & Mappings area indicates how many hosts are configured to access the array. Click Configured Hosts in this area to see the names of these hosts. Host access configuration is the first step in setting up your storage array. You must complete this task during initial setup and anytime you connect a new host. After you configure host access, the host does not yet have the ability to write data to the storage array. You must map hosts to the virtual disks and register virtual disks with the host's operating system before a host can write to the storage array. See "Disk Groups and Virtual Disks" on page 53 for information on these tasks. About Your Host 43