Users Guide

Table Of Contents
DHCP — Traces packets sent to and received from a DHCP server.
DDNS — Traces dynamic DNS update requests and responses.
Conguration changes to the network interfaces.
The trace log may also contain CMC rmware-specic error codes that are related to the integrated CMC rmware, not the managed
system’s operating system.
Troubleshooting Controller
To troubleshoot a controller:
1 In the left pane, click Chassis Overview > Storage > Controllers > Troubleshooting.
2 On the Controller Troubleshooting page, from the Actions drop-down list for the respective controller, select any one of the
following, and then click Apply.
Reset Conguration — Deletes the virtual disks and hot spares. However, the data on the disks is not erased.
NOTE: Resetting PERC conguration discards the pinned cache, if any, on the PERC
controller.
Export TTY Log — The TTY debug log from the storage controller is exported to your local system.
Discard Pinned Cache — Deletes data that is stored in RAID controller cache.
NOTE: If there is pinned cache, the option to clear it is present. If there is no pinned cache, this option is not displayed.
Disable RAID Controller — Disables the peer controller. This option is available in the drop-down menu only for the Shared PERC8
(Integrated 2) and external Shared PERC8s.
Enable RAID Controller — Enables the peer controller. Enable Raid Controller option is available in the drop-down menu.
NOTE
:
For a disabled PERC, none of the other options Reset Conguration, Export TTY Log, Discard Pinned Cache, and Disable RAID
Controller are available in the drop-down menu.
Enable Fault Tolerance — Enables the fault-tolerance mode of the External shared PERC 8 card.
Disable Fault Tolerance — Disables the fault-tolerance mode of the External shared PERC 8 card.
NOTE
: Enable Fault Tolerance and Disable Fault Tolerance are displayed only for the External Shared PERC 8 cards. The
default mode of the External Shared PERC 8 cards is the non-fault-tolerant mode.
NOTE:
Displays an error message if the blades are powered ON.
The command fails if the blade is powered ON.
Hotplugging enclosures in fault-tolerant chassis
1 Make sure that slots 5 and 6 chassis are not fault-tolerant.
2 Disconnect the enclosures.
3 Change the status of slots 5 and 6 to fault-tolerant mode.
4 Reconnect the enclosures in fault-tolerant cabling.
Power cycle the chassis after disconnecting the enclosures and before reconnecting enclosures as, the drives retain the previous SCSI-3
Reservation until the chassis is power cycled.
Troubleshooting and Recovery
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