motherboard with raid controller

[George Daflidis-Kotsis]

On Thu, Jun 12, 2003 at 08:39:24PM +0300, Giannis Stoilis wrote:

> Giannis Vrentzos wrote:
> >Kalo to 8 x 36GB alla ti na to kanw sto spiti mou !!
> 
> Na entupwsiazeis tis gkomenes... ;-) Otan 8a pairnei mpros o 
> upologisths, 8a 8umizei puriniko antidrasthra (KAI sthn 8ermothta KAI 
> ston 8orubo)
> 
> Sobara twra, den exw dei pou8ena ENA raid me 8 diskous.

Ti 8a pei "ENA raid"?

> Prin kanena xrono esthsa ena SAN me trianta hotplug compaq 18GB SCSI 
> diskous(nai, kosthse parapanw apo ton mis8o mou arketwn xronwn). H 
> entolh pou hr8e apo thn etaireia software htan na ftiaksoume POLLA mikra 
> raid5 me hot-spares.
> Genika, oso pio pollous diskous bazeis se ka8e array, toses perissoteres 
> pi8anothtes exei na xtuphsei.

Ma ti les? To 8ema einai na mh sou xtuphsoun 2 diskoi se ena raid group.

Gia 18 kai 36GB diskous to proteinomeno raid group size einai 8, 7 live
ki 1 hot spare. Gia na sou xtuphsoun se ena raid group 8 diskwn 2 diskoi
prepei na eisai polu gkantemhs. Ase pou to performance einai polu kalutero
me pollous kai mikrous para ligous kai megalous diskous.

Filika.

-- 
[george daflidis-kotsis - systems admin,web/e-commerce - gdk at demon.net]