[c-nsp] 6500 nvram contents changing

[Ben Cooper]

Hi,

We use rancid to retrieve configs from our cisco kit, recently one of
our 6500s (s72033_rp-ADVENTERPRISEK9_WAN-M Version 12.2(33)SXH3) has
started reporting nvram content changes sporadically throughout the day, eg:

>   !Flash: nvram: Directory of nvram:/
>   !Flash: nvram:  1918  -rw-       26788                    <no date>  startup-config
>   !Flash: nvram:  1919  ----          24                    <no date>  private-config
>   !Flash: nvram:  1920  -rw-       26788                    <no date>  underlying-config
> - !Flash: nvram:     1  ----           4                    <no date>  rf_cold_starts
> - !Flash: nvram:     2  ----          48                    <no date>  persistent-data
> - !Flash: nvram:     3  -rw-        4887                    <no date>  ifIndex-table
>   !Flash: nvram: 1964024 bytes total (1929992 bytes free)

>   !Flash: nvram: Directory of nvram:/
> - !Flash: nvram: No files in directory
> + !Flash: nvram:  1918  -rw-       26788                    <no date>  startup-config
> + !Flash: nvram:  1919  ----          24                    <no date>  private-config
> + !Flash: nvram:  1920  -rw-       26788                    <no date>  underlying-config
> + !Flash: nvram:     1  ----           4                    <no date>  rf_cold_starts
> + !Flash: nvram:     2  ----          48                    <no date>  persistent-data
> + !Flash: nvram:     3  -rw-        4887                    <no date>  ifIndex-table
>   !Flash: nvram: 1964024 bytes total (1929992 bytes free)

Has anyone experienced this behaviour before?

Thanks,

Ben