Administrator's Guide

• Storage Pools
A list of storage pools associated with the controller displays in the left panel tree view. Select
one of the pool entries to display its status, capacity, communication status with the controller,
primordial state, and cache properties.
NOTE: If read or write cache is enabled the value displayed is 2; otherwise, the value is 3.
The Storage Pools page also displays a list of disk drives and storage volumes present in the
pool.
Under the Physical Drives tree, the list of expansion nodes is displayed. Under each enclosure,
the list of disk drives present in each expansion node is displayed. When there is no drive in
the enclosure, the display shows Bay Bay number – Empty. Select one of the expansion
nodes or disk drives to see information for that enclosure or drive.
• Disk Drives
This section provides an overview of all disk drives attached to the controller. Each physical
drive is listed as a separate entry in the Storage System submenu. Select any of the physical
drives to display more information about the drive.
Enclosure
This section provides information about the enclosure cooling, IDs, power, Unit Identification LED,
PCIe devices, and I/O modules.
• Because both a system and drive fan are required, the maximum and minimum number of
fans required is “2”. If either fan becomes degraded, the system could shut down quickly.
Because the fans are not mutually redundant, even if the status of a single fan has changed,
the new status is reported immediately in the SMH main page Components Status Summary.
• When the Enclosure Manager IP address is set incorrectly, the enclosure status displayed is
Lost communication. Because the Enclosure Manager has lost communication with the external
network, none of the other items in the Enclosure Information section can be displayed.
Network
This section shows the status of the network connections.
System
This section displays status for various system components.
Version Control
This section provides information about the Version Control Agent.
Software
This section provides information about system firmware and software.
Component LEDs
LEDs indicate the status of hardware components. This section provides images of the component
LED locations and describes the status of LED behaviors. To obtain additional information on some
status indicators, you can use the EMU CLI SHOW commands described in “EMU reference” (page
153).
Component LEDs 51