Check if each rack has an valid internal ring....................[SUCCESS ]
In the preceding command, rack_size is the size of the rack. The
-t
rack_size
option is needed if the rack is Oracle Exadata Database Machine Half Rack or
Oracle Exadata Database Machine Quarter Rack. Use
halfrack
for Oracle
Exadata Database Machine Half Rack, and
quarterrack
for Oracle Exadata
Database Machine Quarter Rack.
The following example shows the output when there is a bad InfiniBand switch to
InfiniBand cable connection:
#./verify-topology
[DB Machine Infiniband Cabling Topology Verification Tool ]
Is every external switch connected to every internal switch......[SUCCESS ]
Are any external switches connected to each other................[SUCCESS ]
Are any hosts connected to spine switch..........................[SUCCESS ]
Check if all hosts have 2 CAs to different switches..............[SUCCESS ]
Leaf switch check:cardinality and even distribution..............[SUCCESS ]
Check if each rack has an valid internal ring....................[ERROR ]
Switches 0x21283a87cba0a0 0x21283a87b8a0a0 have 6 connections between them.
They should have at least 7 links between them
The following example shows the output when there is a bad InfiniBand cable on a
database server:
#./verify-topology
[DB Machine Infiniband Cabling Topology Verification Tool ]
Is every external switch connected to every internal switch......[SUCCESS ]
Are any external switches connected to each other................[SUCCESS ]
Are any hosts connected to spine switch..........................[SUCCESS ]
Check if all hosts have 2 CAs to different switches..............[ERROR ]
Node db01 has 1 endpoints.(Should be 2)
Port 2 of this node is not connected to any switch
--------fattree End Point Cabling verification failed-----
Leaf switch check:cardinality and even distribution..............[ERROR ]
Internal QDR Switch 0x21283a87b8a0a0 has fewer than 4 compute nodes
It has only 3 links belonging to compute nodes [SUCCESS ]
Check if each rack has an valid internal ring...................[SUCCESS ]
The following example shows the output when there is a bad connection on the
switch and the system:
#./verify-topology
[DB Machine Infiniband Cabling Topology Verification Tool ]
Is every external switch connected to every internal switch......[SUCCESS ]
Are any external switches connected to each other................[SUCCESS ]
Are any hosts connected to spine switch..........................[SUCCESS ]
Check if all hosts have 2 CAs to different switches..............[ERROR ]
Node burxdb01 has 1 endpoints.(Should be 2)
Port 2 of this node is not connected to any switch
--------fattree End Point Cabling verifation failed-----
Leaf switch check:cardinality and even distribution..............[ERROR ]
Internal QDR Switch 0x21283a87b8a0a0 has fewer than 4 compute nodes
It has only 3 links belonging to compute nodes...................[SUCCESS ]
Check if each rack has an valid internal ring....................[ERROR ]
Switches 0x21283a87cba0a0 0x21283a87b8a0a0 have 6 connections between them
They should have at least 7 links between them
Chapter 5
Verifying the InfiniBand Network
5-61
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