Re: IDE feature request & problem

Vojtech Pavlik
2002-12-13T14:37:31Z

On Thu, Dec 12, 2002 at 07:12:50PM +0100, Pavel Machek wrote:
> Hi!
>
> > > > I have got xfs partition and man fsck.xfs say
> > > > that it will run automatically on reboot.
> > >
> > > You need to force one. Something (I assume XFS) asked the disk for a
> > > stupid sector number. Thats mostly likely due to some kind of internal
> > > corruption on the XFS
> >
> > Or the power supply doesn't give enough power to the drives anymore (my
> > 350W PSU is having heavy problems with five or more drives), and the IDE
> > transfers get garbled. Note that there is no CRC protection for non-data
> > xfers even when UDMA is in use, which includes LBA sector addressing.
>
> But kernel would not log bogus LBA in such case.

It could, if the drive has read a different sector than it was supposed
to and the filesystem got confused by the data ...

--
Vojtech Pavlik
SuSE Labs