HP 2000fc Reference Manual page 169

Type – Specifies one of the following:
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Disk – Communicates between the expander and a disk drive.
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Inter-Exp – (Controller module only) Communicates between the expander
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and the partner's expander.
SC – (Controller module only) Communicates between the expander and the
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SC.
Egress – Communicates between the expander and an expansion port or SAS
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Out port.
Ingress – (Expansion module only) Communicates between an expansion port
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and the expander.
State – Specifies whether the PHY is enabled or disabled.
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ID – Identifies a PHY's logical location within a group based on the PHY type.
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Logical IDs are 0–11 for disk PHYs and 0–3 for inter-expander, egress, and
ingress PHYs.
Details – Pause the cursor over or click the information icon
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with more information. If you click the icon, the information remains shown until
the cursor passes over a similar icon.
Status – The same status value shown in the panel's Status field.
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Physical Phy ID – Identifies a PHY's physical location in the expander.
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Type – The same type value shown in the panel's Type field.
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Phy Change Count – Specifies the number of times the PHY originated a
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BROADCAST (CHANGE). A BROADCAST (CHANGE) is sent if
doubleword synchronization is lost or at the end of a Link Reset sequence.
Code Violation Count – Specifies the number of times the PHY received an
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unrecognized or unexpected signal.
Disparity Error Count – Specifies the number of doublewords containing
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running disparity errors that have been received by the PHY, not including
those received during Link Reset sequences. A running disparity error occurs
when positive and negative values in a signal don't alternate.
CRC Error Count – In a sequence of SAS transfers (frames), the data is
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protected by a cyclic redundancy check (CRC) value. This error count
specifies the number of times the computed CRC does not match the CRC
stored in the frame, which indicates that the frame might have been corrupted
in transit.
Inter-Connect Error Count – Specifies the number of times the lane between
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two expanders experienced a communication error.
Lost Doubleword Count – Specifies the number of times the PHY has lost
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doubleword synchronization and restarted the Link Reset sequence.
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Chapter 5 Monitoring System Status 169