Re: IDE feature request & problem

Milan Roubal
2002-12-13T17:58:34Z

Power Supply is not problem for sure,
there are 1x 420 W and 3x 300W HotSwap,
so I think its enough for it.
Milan
----- Original Message -----
From: "Vojtech Pavlik" <vojtech@suse.cz>
To: "Pavel Machek" <pavel@suse.cz>
Cc: "Vojtech Pavlik" <vojtech@suse.cz>; "Alan Cox"
<alan@lxorguk.ukuu.org.uk>; "Milan Roubal"
<roubm9am@barbora.ms.mff.cuni.cz>; "Petr Sebor" <petr@scssoft.com>; "Linux
Kernel Mailing List" <linux-kernel@vger.kernel.org>
Sent: Friday, December 13, 2002 3:41 PM
Subject: Re: IDE feature request & problem

> 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