Table of Contents
Advertisement
Cabling Plan
Drive Enclosure Strings
A string is a collection of Drive Enclosures that are connected by a common cable
to the same SAS HBA port on both Controller nodes. A string consists of one to
five Drive Enclosures. Drive Enclosures are assigned to strings at the factory.
Important: Temporary labels attached to the shipping boxes identify the factory
configuration for the Drive Enclosure and the string assignment. Additionally,
the build map included with the shipment also identifies the factory
configuration for the Drive Enclosures and the string assignments. Install and
cable the Drive Enclosures and strings according to the factory configuration.
Installation services from Oracle Customer Support is highly recommended.
An Oracle FS System with two SAS HBAs installed can have one or two strings
to support a maximum of 10 Drive Enclosures. A system with four SAS HBAs
can have up to four strings to support a maximum of 20 Drive Enclosures. A
performance system can have up to six strings to support a maximum of 30 Drive
Enclosures.
The SAS cables connect from the Controller SAS HBA ports to the first Drive
Enclosure and the third Drive Enclosure in a string. For small systems with less
than three Drive Enclosures, the SAS cables connect from the Controller SAS
HBA ports to the first Drive Enclosure and to the last Drive Enclosure in a string.
The following example shows the SAS cable connections for the first string
configured in the system with five Drive Enclosures.
120
Advertisement
Table of Contents
