Re: Storage (8*IDE HDs) any experiences?
hi ya...
good that these huge systems exists...
att is working on a 12disk ide system...
your options for 6 or 8 disks are the promise cards
and/or 3ware ...
has anybody measured the +12V current needed when all
8 drives start up...at the same time... hummm....
<plug>
we have a 1u chassis ( C2300 ) that fits 6 drives
we have 4 and 8 drive models in prototype stage...
</plug>
have fun raiding
alvin
http://www.Linux-1U.net .. 500Gb 1U raid5 ( ide or scsi3 )...
On Thu, 26 Apr 2001, Bryan Andersen wrote:
> Dimitri Maziuk wrote:
> >
> > Hi all
> >
> > I notice there are these new-fangled motherboards with 2*ATA-100 and
> > 2*ATA-33 ports. With 75GB disks, that baby should give us 600GB of raw
> > disk space (8 drives) at around $2K US. Sounds attractive, considering
> > that el-cheapo RAID boxes of similar capacity are around $10K.
> >
> > Anyone runs [Debian] Linux on an 8-drive box like that? Is that
> > supported at all? Any gotchas I should know about? The mobo I'm looking
> > at is ABIT BH6-II.
>
> It's supported. I don't know about your motherboard. I have a
> Promise Ultra 100 on an older MB. Just make sure your power
> supply is up to it. I patched a 2.2.18 kernel to add support
> for the Ultra 100. Beyond that it's stock. Note, I had to make
> the /dev/hd[efgh]* devices. Sofar I haven't done anything with
> raiding them. A friend's experience shows that raid 0 and 1,
> striping and mirroring, works quite nicely and fast while raid
> 5 is slow. This is due to the CPU having to calculate the raid
> 5 checks blocks.
>
> The major issue I've run into is finding places for my 6 HDs.
> I ended up using a couple plates of metal to make a short tower
> to hold 4 of them in front of a fan.
>
> This is the df from my system.
> Filesystem 1k-blocks Used Available Use% Mounted on
> /dev/hdc1 120995 100189 14558 88% /
> /dev/hdc2 3937316 531616 3205688 15% /tmp
> /dev/hdd2 3937316 317652 3419652 9% /var
> /dev/hdc3 25486572 2089916 22878796 9% /usr
> /dev/hdd3 25486572 12028780 12939932 49% /home
> /dev/hde2 44171784 38973680 4307648 91% /data1
> /dev/hdg2 44171784 37325684 5955644 87% /data2
> /dev/hdh2 79227344 67338352 11093560 86% /data3
> /dev/hda5 11542670 9426807 2115863 82% /winE
>
>
> --
> | Bryan Andersen | bryan@visi.com | http://www.nerdvest.com |
> | Buzzwords are like annoying little flies that deserve to be swatted. |
> | -Bryan Andersen |
>
>
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