On Tuesday 20 July 2004 20:18, Petter Reinholdtsen wrote: > [Thomas Templin] > > > I would _never_ use a software raid controller in a productive > > environment! It's like having a Porsche on bicycle tires. It will > > work until there is a problem. But what comes than will be a > > disaster. > > Yes, I've noticed some people have an impressive trust in hardware > raid. When we decided to use software raid on > developer.skolelinux.no, instead of the optional hw raid controller in > the Dell PowerEdge 2550, we benchmarked the performance and discovered > that the software raid was a lot faster than the hardware raid. OK But what if you have to rebuild a raid5 stack? Did you do some benchmarking on that? And that's why I would never ever use a SW raid5 in a productive environment.
> And > with software raid, we were able to get information about the status > of the raid, while with HW raid we didn't find any sensible tools to > administrate it. > > > Have a look at IPC Vortex controllers they are (mostly) working out > > of the box. > > Which kernel driver are these using? Could you provide some info for > my page at > <URL:http://developer.skolelinux.no/info/prosjektet/delprosjekt/hw-raid-inf >o.html>? IPC offers quite up to date kernel Modules, even for Debian, if you ask for. But you have to register your hardware first. /-: Bye, TT

