R/Evolution 2000 Series, Troubleshooting Manual

Page: 47 / 130

Chapter 4 Troubleshooting Using RAIDar 47
Checking PHY Status
RAIDar's Expander Status page includes an Expander Controller PHY Detail panel.
This panel shows the internal data paths that show the data paths for the Storage
Controller, Expander Controller, disks, and expansion ports. Review this page to
locate an internal data path that has a fault.
To view expander status information:
1. Select Monitor > Status > Advanced Settings > Expander Status.
2. Select an enclosure.
The information is displayed in three panels.
The Enclosure Details panel shows the following information about the selected
enclosure:
■
Name – Name assigned to the enclosure.
■
Vendor – Enclosure manufacturer.
■
Location – Enclosure location, if set.
■
Status – Specifies whether the enclosure is OK or has an error.
■
Misc – Enclosure ID, which is 0 for a controller enclosure and increments from 1
for attached drive enclosures.
■
World Wide Name – Enclosure node World Wide Name.
■
Model – Enclosure model number.
■
Rack:Position – Assigned rack number and position of the enclosure within the
rack, or 0:0 if not set. Position 1 is the top and 16 is the bottom.
■
Firmware Version – Version of the EC, which performs SES functions.
The Phy Isolation Details panel shows the following settings for each EC:
■
Phy Isolation – Shows whether all PHYs in the expander are monitored for faults
and automatically isolated if too many faults are detected. The default is Enabled.
■
Monitoring Period – Specifies how often the EC checks each PHY and
determines whether it should be isolated. The default is 100 milliseconds.
The Expander Controller Phy Detail panel shows the following information about
each PHY in each EC:
■
Status – Specifies one of the following:
■
OK – The PHY is healthy.
■
Error – The PHY experienced an unrecoverable error condition or received an
unsupported PHY status value.