Re: multi-TB diskarrays ???
I'm not sure if anybody has mentioned this yet.
Instead of having everything on hard drive's you may want to
consider offloading some of the older data onto DVD jukeboxes.
With everything on the array, managing the backups and redundancy
can become quite a chore, however, with DVD's you don't need to
worry about a crash taking out all your data.
You could also make multiple copies and store some offsite for
recovery purposes.
Granted, DVD has a limited life, but it's possible to copy the data
over to fresh media at some point.
I've seen articels about new DVD jukeboxes coming out that can
handle several hundred TB's worth of data with multiple drives
and reasonable access times.
Keep a ceratin amount of data on the array and set up a schedule
to archive older or less frequesntly accessed data onto DVD.
Regards.
Kourosh
On Mon, Nov 18, 2002 at 12:40:40PM -0600, Michael D. Schleif wrote:
>
> Akos Bagi wrote:
> >
> > Hi!
> > I think I didn't find some very important aspect.
> > 1. Is the data Read only or not. ( Once you stored tha image, do you have to edit/modify/delete it?)
>
> read-only
>
> > 2. What time is acceptable to decide that a specific image is present in the system and
> > what time is acceptable to load the image/images/full directories from the library.
>
> tbd -- six months?
>
> > 3. How mutch data is collected daily, weekly, monthly.
>
> growing
>
> 4TB is deduced from past and present growth and the need to save data
> for seven years
>
> > 4. Is the data collected centrally or not.
>
> not sure what is meant by this
>
> however, there will be five to ten ``sources'' of data writing to the
> array
>
> > I'm relatively new in linux, but I have more than 10 years experience in large storage systems.
> >
> > Best Regards
> >
> > Akos Bagi
> >
> > On Thu, 07 Nov 2002 10:05:43 -0600
> > "Michael D. Schleif" <mds@helices.org> wrote:
> >
> > >
> > > Having never done this with linux, I'm asking this at the lowest
> > > possible level to facilitate very exhaustive research:
> > >
> > > What do I need to know to design a debian fileserver attached to a 4-5TB
> > > diskarray?
>
> --
>
> Best Regards,
>
> mds
> mds resource
> 888.250.3987
>
> Dare to fix things before they break . . .
>
> Our capacity for understanding is inversely proportional to how much we
> think we know. The more I know, the more I know I don't know . . .
>
>
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