Monitors and performs diagnostics on the topology of the Backend SAS Interconnect of an Oracle FS System.
SYNOPSIS
topology { [‑download | ‑generateTraffic | ‑list | ‑modify ] | [ ‑usage | ‑help ] }
DESCRIPTION
The
Controllers in the
Oracle FS System are connected in a peer-to-peer clustered configuration. In the cluster, each
Controller node connects to a partner
Controller node and to
Drive Enclosure strings. If there are three or less
Drive Enclosures in a string, the
Controller connects to the first
Drive Enclosure and to the last
Drive Enclosure in the string. If there are more than three
Drive Enclosures in the string, the
Controller connects to the first
Drive Enclosure and the third
Drive Enclosure in the string. The
topology command monitors and performs diagnostics on the following components that make up the
Backend SAS Interconnect topology:
The Serial Attached SCSI (SAS) connectors on the Drive Enclosures
The SAS HBA cards on the Controllers
The SAS ports on the SAS HBA cards
The SAS cabling
Note: The topology of the Backend SAS Interconnect changes when a Controller fails over to its partner. The system sends system alerts and issues events to notify you of these changes. You can also run the topology ‑list command or run the topology ‑download ‑topoMap command to monitor the changes that the system makes to the topology.
SUBCOMMANDS
- ‑download
- Saves the topology configuration information and related logs to the designated location.
- ‑generateTraffic
- Generates SAS messages from the specified Controller to the partner Controller and from the specified Controller to the Drive Enclosures. This command is used for testing purposes.
- ‑list
- Returns the configuration information and statistics for the Backend SAS Interconnect and returns the results of any diagnostic tests that the system performed.
- ‑modify
- Changes the operational state of the topology of the Backend SAS Interconnect.
GLOBAL OPTIONS
- ‑help
Displays command usage and additional help about the command.
- ‑usage
Returns a summary of the subcommands that are available for this command.
EXAMPLE
- Task
For diagnostic purposes, Oracle Customer Support instructs you to generate a burst of traffic from a Controller to the partner Controller and to all of the Drive Enclosures that are connected to the Controller.
- Parameters
-
$ fscli topology ‑generateTraffic ‑controller /CONTROLLER-01 ‑numberBytes 32