Re: Disk errors and Reiserfs

[Guus Sliepen]

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On Mon, Sep 17, 2001 at 01:40:36AM +0100, Alan Cox wrote:

> > Is it possible for the kernel to handle this with enough grace that you=
=20
> > can kill the processes and unmount the partition?  (Thus allowing the b=
ox=20
> > to continue in a hobbled, but function manner.)  Failing that, is it=20
> > possible for the kernel to handle it well enough for 'shutdown' to clea=
nly=20
> > shutdown the box?
>=20
> Killing the process isnt neccessary, its been halted in its tracks. As to
> a clean shutdown - no chance. You've just hit a disk failure, the on disk
> state is not precisely known, writes have been lost. Nothing is going to
> make a clean shutdown possible under such circumstances.

Of course. But I did notice that (for ext2) the filesystem dirty flag is not
set if there are errors from the underlying block device, only when it actu=
ally
detects some corruption. So these errors will not trigger an appropiate
response like remounting read-only or fscking on reboot.

--=20
Met vriendelijke groet / with kind regards,
  Guus Sliepen <[e-mail]>

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