motherboard with raid controller

[Giannis Stoilis]

----- Original Message ----- 
From: "Christos Ricudis" <ricudis at itc.auth.gr>
To: <linux-greek-users at lists.hellug.gr>
Sent: Παρασκευή, 13 Ιουνίου 2003 10:19 πμ
Subject: Re: motherboard with raid controller


> Ayto poy den gnwrizw einai : Se periptwsh poy kaneis striping kai xtyphsei
> ena block se kapoio disko, xaneis mono to block H oloklhro to stripe? Ayto
> endexetai na einai kai implementation-dependent. Se ka8e periptwsh, to
raid5
> einai aparaithto, kai an yparxei arketa megalo portofoli, kai ta hot
spares.

Raid 0 exw paiksei mono me Promise kai Highpoint se ATA diskous.Ena bad
block se ena disko, kai gamh8hke sxedon oloklhro to array se mia periptwsh
(oloklrha directories apla eksafanisthkan) kai se allh periptwsh yphrxe
massive corruption sta panta. Isws na xtuphse kapoio block pou
xrhsimopoiouse to ReiserFS gia indexing, den kserw...
Ypo8erw oti gamietai oloklhro to stripe, dioti:
Prospa8ousa na metaferw data apo xtuphmeno array se ena aplo disko. Meta apo
ena random xroniko diasthma apo 1 ws 5 lepta, olo to array xanotan. Reboot,
kai sunexizw thn metafora akribws apo ekei pou stamathsa. Sunexizei kanonika
diabazwntas ta arxeia pou prin den mporese na diabasei  kai meta aplo ena
allo random xroniko diasthma, ksana ta idia.
ypo8etw oti oi sugkekrimenoi controllers den kanoun handle kai polu kala ta
errors. Opote, amfibalw an sunexizoun sto epomeno valid block tou idiou
stripe, an entopisoun xalasmeno block.
Auta einai upo8eseis bebaia kai exoun sxesh me to implementation tou
ekastote chipset...

- Giannis