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Cisco UCS C Series Troubleshooting Tips

Cisco UCS C Series
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Note: Diagnostics while designed to be safe to a running server should not be run with a load you cannot
afford to lose. Please ensure critical server applications are off−line before running diagnostics.
Diagnostics (CLI)
To view realtime CIMC Diagnostics status.
CIMC Diags Shell
!−−− Enter diagnostics mode.
SanDiego# connect
debug−shell
diags
host
shell
SanDiego# connect diags
<CR>
SanDiego# connect diags
Diagnostics while designed to be safe to a running server should not
be run with a load you cannot afford to lose. Please ensure critical
server applications are off−line before running diagnostics.
Continue?[y|N]y
max_slots = 1
Registering hwmon commands
dsh_cmd_add: Adding hwmon 0x32658
Registering board commands
dsh_cmd_add: Adding sprom 0x129a8
dsh_cmd_add: Adding i2c 0x12a14
dsh_cmd_add: Adding spd 0x12db8
dsh_cmd_add: Adding tmp75 0x12c88
dsh_cmd_add: Adding clkbuf 0x132e4
dsh_cmd_add: Adding timhub 0x13368
dsh_cmd_add: Adding help 0x10778
dsh_cmd_add: Adding show 0x108f4
dsh_cmd_add: Adding run 0x108a0
dsh_cmd_add: Adding skip 0x10b2c
dsh_cmd_add: Adding unskip 0x10b64
dsh_cmd_add: Adding results 0x10b9c
dsh_cmd_add: Adding sp 0x10ce8
dsh_cmd_add: Adding reg 0x10db0
dsh_cmd_add: Adding version 0x10de8
dsh_cmd_add: Adding err 0x10e24
DIAG >
DIAG > q
SanDiego#
Common Troubleshooting Scenarios − Power−On Related
No Standby Power to UCS C250 M1 Extended−Memory Rack−Mount Server
Check that the AC power cord is ok.1.
Failure in Power Supply Unit.2.
Server Host does not power up
Check front I/O board connection.1.
Check Power Sequencer fault LEDs.2.
Power Supply unit failure (PS Failure LED blinking).3.

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Cisco UCS C Series Specifications

General IconGeneral
ProcessorIntel Xeon Scalable Processors
ManagementCisco Integrated Management Controller (CIMC)
MemoryDDR4
StorageNVMe
RAID SupportYes
NetworkMultiple Gigabit Ethernet and 10 Gigabit Ethernet options
Power SupplyRedundant power supply options
Operating System SupportVMware, Microsoft Windows, Linux
Form FactorRack Server

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