9-2 Sun StorEdge 3000 Family Installation, Operation, and Service Manual • May 2004
9.1 RAID LUNs Not Visible to the Host
Caution – When mapping partitions to LUN IDs, there must be a LUN 0.
Otherwise, none of the LUNs will be visible.
By default, all RAID arrays are preconfigured with one or two logical drives. For a
logical drive to be visible to the host server, its partitions must be mapped to host
LUNs. For mapping details, refer to “Mapping Logical Drive Partitions to Host
LUNs” on page 6-35. Ensure that you have completed this task.
To make the mapped LUNs visible to a specific host, perform any steps required for
your operating system or environment. For host-specific information about different
operating environments and operating systems, see:
■ “Configuring a Sun Server Running the Solaris Operating Environment” on
page F-1
■ “Configuring a Windows 200x Server or Windows 200x Advanced Server” on
page G-1
■ “Configuring a Linux Server” on page H-1
■ “Configuring an IBM Server Running the AIX Operating Environment” on
page I-1
■ “Configuring an HP Server Running the HP-UX Operating Environment” on
page J-1
■ “Configuring a Windows NT Server” on page K-1
9.2 Controller Failover
Controller failure symptoms are as follows:
■ The surviving controller sounds an audible alarm.
■ The RAID Controller Status LED on the failed controller is amber.
■ The surviving controller sends event messages announcing the controller failure
of the other controller.
A “Redundant Controller Failure Detected” alert message is displayed and written
to the event log.
If one controller in the redundant controller configuration fails, the surviving
controller takes over for the failed controller until it is replaced.
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