squid

[Steve Stavropoulos]

On 7/17/05, Giorgos Keramidas <keramida at ceid.upatras.gr> wrote:
> On 2005-07-17 17:19, Αθανάσιος Οικονόμου <athoik at gmail.com> wrote:
> > To kako me to dd einai oti an exei bad sectors o enas skliros tha ta
> > antigrapsei kai ston allo...  As me diorthosei kapios an kanw lathos.
> 
> H apla tha apotuxei na ta antigrapsei kai tha skasei.
> 

conv=noerror (poly xrhsimo option, eidika se xalasmena cdrom)

> An kapoios thelei pragmatika na kerdisei se asfaleia h/kai apodosh, den
> einai h dd(1) ayth pou prepei na psaxnei, alla kati se software raid :-)
> 

 E3artatai apo thn periptwsh. To software raid de se kalyptei sthn
periptwsh tou data corruption logw xalasmenou controller (mou exei
tyxei kai ayto), h sthn periptwsh pou sbhseis kati katala8os (px. dd
if=/dev/random of=/dev/hda). An ta dedomena sou den allazoun syxna kai
de se peirazei ligo downtime mexri na kaneis thn allagh twn diskwn, to
dd einai kalytero, ws poio asfales. Fysika to dd den ypoka8ista to
swsto backup alla sou meiwnei drastika to recovery time...