Re: Silly RAID newbie question!
From: Jody (jbruchon_no_spam_at_nc.rr.com)
Date: 03/15/04
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Date: Mon, 15 Mar 2004 21:00:02 GMT
As I stated, the primary intent is to combine drives into one large drive
here, performance is not an issue, merely the desire for extra cheap
storage.
"TCS" <The-Central-Scrutinizer@p.o.b.o.x.com> wrote in message
news:slrnc5c1le.b5k.The-Central-Scrutinizer@linux.client.comcast.net...
> On 15 Mar 2004 18:47:01 GMT, Davide Bianchi
<davideyeahsure@onlyforfun.net> wrote:
> >Jody <jbruchon_no_spam@nc.rr.com> wrote:
> >> I have many older IDE and SCSI drives around here that are in the
1.0-6.4 GB
>
> >I'd suggest to trash everything older than 5 years, with the MTBF of IDE
> >disks and the actual price of new disks isn't worth it.
>
> >> Linux's software RAID have the ability to do this
>
> >Yes, software raid can do that, but usually a computer can handle only
> >4 disks, unless you install more IDE controllers.
>
> Really most PCs can only handle one disk.
> One IDE channel is for slower devices such as a CDROM.
> The other IDE channel for disk drives.
> If you put two disks on the same IDE channel, they can't multitask.
> If one drive performing a task, the other drive must sit idle until the
> first drive finishes. It's OK to put two disks on the same channel if
> performance isn't an issue, but for raid it would probably be a mistake.
>
> IDE controller boards are cheap, less than $30. With a controller board
> you can have two drives each with it's own IDE channel.
>
> If you going to run a raid-5 configuration, with 5 drives, use two
controller
> cards, or scsi.
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