motherboard with raid controller

[Giannis Stoilis]

----- Original Message ----- 
From: "George Daflidis-Kotsis" <gdk at demon.net>
To: "Linux Greek Users Mailing List" <linux-greek-users at hellug.gr>
Sent: Παρασκευή, 13 Ιουνίου 2003 11:25 πμ
Subject: Re: motherboard with raid controller

> Ti 8a pei "ENA raid"?

Den exw dei oute ena array pou mono tou na sumperilalmanei 8 diskous.

> > 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.

Statistika ennoousa. H pi8anothta na sou xtuphsei kapoios diskos enos array
den 8a einai to failure rate olown twn diskwn mazi a8ristika?

> 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.

Apla 8a anaferw thn periptwsh pou mou sunebh prin 6 mhnes, opou ena raid5 me
3 ibm diskous ksafnika ta eftuse. Giati? Meta apo format olwn twn diskwn,
diapistw8hkan bad sectors stous duo apo tous treis. An eimai gkantemhs? You
bet... Twra omws exw kai hotspare, prin den eixa... An eimai toso gkantemhs
pia, 8a parw ta bouna...

- Giannis