Fan Numbering in the SecureStack Series


Userlevel 3
Article ID: 10819

Products
SecureStack C3, C2, B3, B2, A2; firmware all

Goals
Meaning of the "Fan 0 has failed." or "Fan 1 has failed." reference within syslog, logging buffer, and serial console messages generated upon failure of a fan; for example:<162> OCT 06 10:13:51 10.156.133.245-2 SIM[221852416]: bootos.c(1588) 1173 %%
Fan 0 has failed.[/code]
Meaning of the "Fan 1 has failed." or "Fan 2 has failed." reference within current.log messages (5743) generated upon failure of a fan; for example:<162> MAY 18 17:31:00 10.17.99.21-1 SIM[147737568]: bootos.c(867) 40731958 %%
Fan 2 has failed.[/code]
Meaning of the "Fan1-status" and "Fan2-status" references seen in the output of a 'show system' query; for example:Fan1-Status Fan2-Status
----------- -----------
Installed and Not Operating Ok[/code]Solution
With C3/C2/B3/B2 firmware x.02.01.0006 and lower, and all A2 firmware:
    Syslog 'Fan 0' (current.log 'Fan 1', system 'Fan1') is any of the fans located on the rear of the SecureStack unit near the stacking cables.[list]
Syslog 'Fan 1' (current.log 'Fan 2', system 'Fan2') is any of the fans located on the sides of the unit.[/list]With C3/C2/B3/B2 firmware x.02.02.0009 and higher:
    Syslog 'Fan 1' (current.log 'Fan 1', system 'Fan1') is any of the fans located on the rear of the SecureStack unit near the stacking cables.[list]
Syslog 'Fan 2' (current.log 'Fan 2', system 'Fan2') is any of the fans located on the sides of the unit.[/list]

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