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Re: Mdadm Corruption

Hi There,

Matus UHLAR - fantomas wrote:
> On 05.12.06 15:54, Maxus wrote:
> > Thanks for the reply, I'm well aware the device is a hardware raid
> highpoint 1640 is NOT a hardware raid controller, see
> http://linuxmafia.com/faq/Hardware/sata.html


> > controller, but like most cheap raid card this unit uses the host CPU
> > to do the raid striping. I was concerned that if the card failed I
> > would lose my raid array, So I wanted to use mdadm so that I could just
> > replace the card with some other and have it continue working, as there
> > is no really advantage to the card as it uses the host CPU any way. The
> > other reason I choose the card is that it has 4 sata ports and my
> > current machine doesn't have any. The cards driver allows you to
> > disable the raid part of the controller and simply use it as a sata
> > expansion card.
> i think linux will always use it as SATA card with up to 4 independent sata
> disks, unless you will run dmraid.

Yes currently the machine sees each drive as a separate sd device. I'm
running Mdadm on top of that (not sure if that the same as dmraid).

> > And as for mdadm its been working fine untill now (18 Months). I belive
> > it was a power shortage but I'm not 100% sure, but the issues doesn't
> > lie with the card nor its abillities the issue is FSCK getting caught
> > in a perpetual loop.
> >
> > I'm running debain 2.6.8-3-386 version 3.1 the SATA card is use the
> > open source driver proved by highpoint and has 4 x 200 GB western
> > didgital drives connected in a raid 5 configuration.
> open source or highpoint-provided? Or do they already provide open-source
> RAID driver? (why?)

Highpoint have a driver on thier site that is simple called "Open
Source driver", its a driver made by them.


but regardless of all that the really issue is FSCK. rather than the
card or the system as it just keeps looping.


> --
> Matus UHLAR - fantomas, uhlar@fantomas.sk ; http://www.fantomas.sk/
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