Administrator Guide

Table 9. Table view information (continued)
Field Description
○ Error The disk is present but not detected by the expander.
○ Unknown Initial status when the disk is first detected or powered on.
○ Not Present The disk slot indicates that no disk is present.
○ Unrecoverable The disk is present but has unrecoverable errors.
○ Unavailable The disk is present but cannot communicate with the expander.
○ Unsupported The disk is present but is an unsupported type.
● For a power supply: Up, Warning, Error, Not Present, or Unknown.
● For a fan: Up, Error,, Off, or Missing.
● For a controller module or I/O module: Operational, Down, Not Installed, or Unknown.
● For a network port: N/A.
● For a host port:
○ Up – The port is cabled and has an I/O link.
○ Warning – Not all of the port PHYs are up.
○ Error – The port is reporting an error condition.
○ Not Present – The controller module is not installed or is down.
○ Disconnected – Either no I/O link is detected or the port is not cabled.
● For an expansion port: Up, Disconnectedor Unknown.
● For a CompactFlash card: Installed, Not Installed, or Unknown.
Systems Settings panel
The System Settings panel provides options for you to quickly and easily configure your system. Access the panel by doing one
of the following:
● In the Home topic, select Action > System Settings.
● In the System topic, select Action > System Settings.
● In the Welcome panel, select System Settings.
For more information on configuring system setting options, see Configuring system settings.
Resetting host ports
Making a configuration or cabling change on a host might cause the storage system to stop accepting I/O requests from that
host. For example, this problem can occur after moving host cables from one HBA to another on the host. To fix such a problem
you might need to reset controller host ports, or channels.
For FC, you can reset a single port. For an FC host port configured to use FC-AL, or loop topology, a reset issues a loop
initialization primitive (LIP).
For iSCSI, you can reset a port pair, either the first and second ports or the third and fourth ports.
For SAS, you can reset a port pair. Resetting a SAS host port issues a COMINT/COMRESET sequence and might reset other
ports.
Rescanning disk channels
A rescan forces a rediscovery of disks and enclosures in the storage system. If both storage controllers are online and can
communicate with both expansion modules in each connected enclosure, a rescan also reassigns enclosure IDs to follow the
enclosure cabling order of controller A. For further cabling information, refer to your product's deployment guide.
You might need to rescan disk channels after system power-up to display enclosures in the proper order. The rescan temporarily
pauses all I/O processes, then resumes normal operation. It can take up to two minutes for enclosure IDs to be corrected.
You do not have to perform a manual rescan after inserting or removing non-FDE disks. The controllers automatically detect
these changes. When disks are inserted, they are detected after a short delay, which allows the disks to spin up.
Working in the System topic
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