LSI 9690SA-8E-KIT Instalační příručka stáhnout pdf (Strana 31)

Syntax Overview

www.lsi.com/channel/products 23

Phy. Phys are transceivers that transmit and receive the serial data stream that

flows between the controller and the drives. 3ware 9750 and 9690SA

controllers have four or more phys. These controller phys are associated with

virtual ports (vports) by 3ware software to establish up to 128 potential

connections with SAS or SATA hard drives. You can connect each controller

phy directly to a single drive, or you can connect it through an expander to

additional drives.

VPort. Connections from 3ware 9750 and 9690SA controllers to SAS or

SATA drives are referred to as virtual ports, or VPorts. A VPort indicates the

ID of a drive, whether it connects directly to the controller or cascades

through one or more expanders. The VPort, in essence, is a handle in the

software to uniquely identify a drive. The VPort ID or port ID allows a drive

to be consistently identified, used in a RAID unit, and managed. For dual-port

drives, although there are two connections to a drive, the drive is still

identified with one VPort handle.

For additional information about 3ware controller concepts and terminology,

refer to the user guide PDF for your 3ware RAID controller or the user guide

portions of the 3ware HTML Bookshelf.

Syntax Overview

The command syntax uses the general form:

Object Command Attributes

Objects are shell commands, controllers, units, ports (drives), battery backup

units (BBUs), and enclosures.

Commands can either select (show, get, present, read) attributes or alter (add,

change, set, write) attributes.

Attributes are either boolean attributes or name-value attributes.

• The value of a boolean attribute is deduced by presence of a value for that

attribute, or the lack of a value. For example, the command show alarms,

by default, lists controller alarms with the oldest alarm first. If you

include the attribute reverse, as in the command show alarms reverse,

alarms are listed in reverse order with the most recent alarm first.

• The value of name-value attributes are expressed in the format

attribute=value.

Note: For practical purposes, port and VPort are used interchangeably in this

document in reference to a drive (or disk). Therefore, unless otherwise specified,

the mention of port implies VPort as well. For example, when port is used to indicate

a drive, it is implied that, for the applicable controller series, the reference also

applies to VPort.

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