Re: flexfax: Reducing Check of Modem !

[Faser@t-online.de (Faser)]

Hi !

Didn't you read that I use a notebook as Fax-Server !

But thank you for your great Infos !

:-)

Faser
----- Original Message -----
From: David Woolley <david@djwhome.demon.co.uk>
To: Faser <Faser@t-online.de>
Cc: <flexfax@sgi.com>
Sent: Sunday, January 30, 2000 12:00 PM
Subject: Re: flexfax: Reducing Check of Modem !


> > information into "var/log/messages" the hardisk is spinning up every
twenty
> > minutes:
>
> I would seriously question the wisdom of spinning down the hard disk
> on any server, unless:
>
> - activity occurs in bursts separated by more than about four hours;
>
> - you are prepared to do a lot of work to clean up the system - even
>   cache hit reads will cause the inode to be updated with a new last
>   accessed time.
>
> The last disk that I read the data for had a life expectancy that
> would have meant that a spin up/down every 20 minutes would have
> exceeded the design life long before the end of the warranty period.
>
> The power saving from spinning down is typically under 10 watts.
>
> Non-laptop disk spin up/down lifetimes are desgined for desk top
> workstation use, where people have two or three sessions on the machine
> each working day.