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Configuration: About Your Host 97
For more information on Linux DM, see "Configuration: Device Mapper
Multipath for Linux" on page 219. For more information on MPIO, see
microsoft.com.
NOTE: You must have the multi-path driver installed on the hosts at all times, even
in a configuration where there is only one path to the storage system, such as a
single port cluster configuration.
During a failover, the virtual disk transfer is logged as a critical event, and an
alert notification is sent automatically if you have configured alert
destinations for the storage array.
Managing Host Port Identifiers
You can manage the host port identifiers that are added to the storage array.
You can:
• Add—Add or associate a new host port identifier to a particular host.
• Edit—Change the host port identifier alias or user label. You can move
(associate) the host port identifier to a new host.
• Replace—Replace a particular host port identifier with another host port
identifier.
• Remove—Remove the association between a particular host port identifier
and the associated host.
NOTE: User label cannot be the same as the host name. It is recommended that
you use the host name with HBA port number. For example: Server1-HBA-0.
book.book Page 97 Tuesday, June 18, 2013 3:03 PM