That should have been dumpe2fs /dev/blah | grep ....

On Thu, Nov 4, 2010 at 8:33 PM, Colin Coe <[email protected]> wrote:
> df is not inaccurate.  It is reporting what the kernel/filesystem tells it.
>
> dumpe2fs | grep "Reserverd block count"
>
> By default, 5% of the filesystem is reserved for root.
>
> CC
>
> On Thu, Nov 4, 2010 at 7:57 PM, Nick Lunt
> <[email protected]> wrote:
>> Hi folks
>>
>> every now and then I seem to get a flurry of users asking me "why is 'df'
>> inaccurate?".
>>
>> I've never really understood why though, so anyone know ?
>>
>> Eg:
>>
>> $ df -klP /
>>
>> Filesystem                1024-blocks      Used      Available    Capacity
>> Mounted on
>>
>> /dev/mapper/VG00-LVol00   4031680          2204200   1622680      58%      /
>>
>> $ bc
>>
>> bc 1.06
>>
>> Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
>>
>> This is free software with ABSOLUTELY NO WARRANTY.
>>
>> For details type `warranty'.
>>
>> 4031680 - 2204200
>>
>> 1827480
>>
>> So either df is wrong, I'm blind, or bc can't do take aways ;)
>>
>> Anyone know why df is wildly inaccurate ?
>>
>> Cheers
>>
>> Nick .
>>
>>
>>
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>
>
>
> --
> RHCE#805007969328369
>



-- 
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