Re: [gentoo-amd64] Need advice on spin-down harddisk.

[Mike Bonar <mike.bonar@shaw.ca>]

P.V.Anthony wrote:
> Hi again,
>
> I am building a fileserver for our studio. The files going to be 
> stored are audio files. Most will be in aiff, wav and mp3 files.
>
> I am using a software raid 5 over 15 drives. Using Western Digital 
> drives because the sales man said that they are quieter.
>
> My setting for chuck size is 256K. Using ext3 for the filesystem. When 
> creating the filesystem, the setting used was -b 4096 and -E stride=64.
>
> **Is the stride setting of 64 correct?
>
> We need the noise of the server to be as quite as possible. The speed 
> of the server is not the most important issue.
>
> The cpu is Intel Core 2 duo. In the make.conf file the 
> ACCEPT_KEYWORDS="amd64". I was thinking of using some cpu frequency 
> reducing application when there is no much access to the server. Plus 
> I hope it will save some electricity.
>
> **Please advice if that is a good idea. If so which application should 
> I use for the Intel Core 2 Duo running at 1.8. Some applications from 
> the gentoo site are cpudyn, cpufreq, speedfreq and powernowd. Please 
> advice which is most useful for this server.
>
> Last but not the least is the spinning down of the hard disk.
>
> **Is it a good idea to spin down the hard disk during low use? Will it 
> spoil the hard disk? If it is a good idea, please let me know what is 
> a good application to use.
>
> Requesting help to make some decisions on this. Please help where you 
> can.
>
> P.V.Anthony
>
>
Hitachi has an excellent boot disk for tweaking acoustic properties for 
all compatible drives.

http://www.hitachigst.com/hdd/support/download.htm

You can set the acoustic levels outside of the gentoo build.  Hope this 
helps.

Mike
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