[Savannah-hackers] Re: subversions hda disk (continued)

[Mathieu Roy]

Paul Fisher <address@hidden> said:

> On Sun, Mar 16, 2003 at 10:13:44AM +0000, Ward Vandewege wrote:
> > 
> > I agree with Jeff - SCSI is usually not worth it. Keep in mind,
> > however, that software raid does slow down disk access considerably
> > on writing, especially when moving around large amounts of data.
> 
> We try to avoid SCSI at the FSF because of cost concerns.  IDE is
> generally fast enough, and hot-swapping isn't a huge concern.  SCSI
> drives are not cheap, and we've already had to replace a bunch of the
> drives on gnudist and gnuftp.  Since those machines are donated,
> there's no warranty on the drives.
> 
> It's also not possible to monitor hardware RAID with free software
> (minus possibly having a DAC960 setup), so for the original setup of
> gnudist and gnuftp, we had no way of knowing how close to failure the
> machines were.  Software RAID with GNU/Linux is quite good these days,
> and we're using it for monty-python (mail.gnu.org) and the new gnuftp
> (which is not yet live, and will replace gnudist).
> 
> We should make sure that the next savannah box has RAID.

I'm not sure to understand in which way RAID could help for savannah

We do not really need to write on 2 HD as there we're one and we do
not need to write on 2 HD the same info for backups.

What do I miss?

-- 
Mathieu Roy
 
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