Juniper QFabric QFX3000-G Hardware Documentation page 19

Part 6
Chapter 56
Chapter 57
Chapter 58
Copyright © 2018, Juniper Networks, Inc.
File System Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 822
Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 822
Troubleshooting
Restoring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 837
Creating an Emergency Boot Device for QFX Series Switches . . . . . . . . . . . . . . . 837
Performing a Recovery Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 839
Performing a QFabric System Recovery Installation on the Director Group . . . . . 841
(Optional) Creating an Emergency Boot Device Using a Juniper Networks
External Blank USB Flash Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 842
Performing a Recovery Installation Using a Juniper Networks External USB
Flash Drive with Preloaded Software . . . . . . . . . . . . . . . . . . . . . . . . . . . 844
Restoring QFX3100 Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 849
Troubleshooting HDD Module Failures in a RAID Volume . . . . . . . . . . . . . . . . . . 849
Isolating a Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850
Hot-Swapping a Failed HDD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 851
Restoring an Inactive RAID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 851
Restoring a Corrupted RAID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 855
Reconnecting the Director Device to the Control Plane . . . . . . . . . . . . . . . . 857
Troubleshooting QFX3100 Director Device Isolation . . . . . . . . . . . . . . . . . . . . . . 859
Returning Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 861
Returning a QFX3100 Director Device or Component for Repair or
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 862
Returning a QFX3008-I Interconnect Device or Component for Repair or
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 862
Returning a QFX5100 Device or Component for Repair or Replacement . . . . . . 863
Returning a QFX3600 or QFX3600-I Device or Component for Repair or
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 863
Returning a QFX3500 Device or Component for Repair or Replacement . . . . . . 864
Returning an EX4300 Switch or Component for Repair or Replacement . . . . . . 865
Returning an EX4200 Switch or Component for Repair or Replacement . . . . . . 865
Locating the Serial Number on a QFX3100 Director Device or Component . . . . 866
Listing the Chassis Serial Number with the CLI . . . . . . . . . . . . . . . . . . . . . . 866
Locating the Serial Number ID Label on a QFX3100 Director Device . . . . . . 866
Locating Serial Number ID Labels on FRU Components . . . . . . . . . . . . . . . 867
Locating the Serial Number on a QFX3008-I Interconnect Device or
Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 867
Listing the Chassis and Component Details with the CLI . . . . . . . . . . . . . . . 868
Locating the Serial Number on a QFX5100 Device or Component . . . . . . . . . . . 868
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 868
Locating the Chassis Serial Number ID Label on a QFX5100 Switch . . . . . . 869
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . 870
Locating the Serial Number on a QFX3600 or QFX3600-I Device or
Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 871
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 871
Locating the Chassis Serial Number ID Label on a QFX3600 or QFX3600-I
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 872
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