HP StorageWorks 2000 Modular Smart Array Reference Guide (481599-003, August 2008)

170 HP StorageWorks 2000 Family Modular Smart Array reference guide • August 2008

■ Invalid Doubleword Count – Specifies the number of invalid doublewords that

have been received by the PHY, not including those received during Link

Reset sequences.

■ Reset Error Count – Specifies the number of times the expander performed a

reset.

■ Phy Disabled – Specifies whether the PHY is enabled (True) or disabled

(False).

■ Fault Reason – A coded value that explains why the EC isolated the PHY. If

the PHY is active, this value is 0x0.

For example, assume that a SAS cable connects Enclosure 0’s “out” port to

Enclosure 1’s “in” port. If the connection has no faults then PHYs associated with

each port have OK status, as shown in the following figure.

However, if there is a fault in the SAS cable or either of the SAS connectors then

associated PHYs have Non-Critical status as shown in the following figure.

Enclosure 0 Enclosure 1