dhcp server IP pool monitoring

[Sten Carlsen]

On 14/03/14 21.35, Simon Hobson wrote:
> Sten Carlsen <stenc at s-carlsen.dk> wrote:
>
>>> I trust Linux a bit less though: 
>>> interactively, I've closed a file with vi, then 
>>> ran a program that appeared to miss the change. 
>>> Would vi(m) manage to exit without any synch 
>>> happening?  (I've never noticed anything 
>>> equivalent with dhcpd lease file handling.) 
>> I have seen editors setting a modify time a bit into the future, resulting that some sync SW misses that update.
>> Not sure about VI though.
> That would only affect software that looked at the modification time to see if it's changed. Anything that reads the file would read the version that's in the disk cache - regardless of whether the program explicitly forces a file sync on it.
Yes, I was thinking that it might be a two step thing - first look at
times to see if more effort is needed.

(I intended the remark to go to the poster only, but failed)
>
>
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 

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