Re: how to interpret ide error messages (2.4)

Alan Cox (alan@lxorguk.ukuu.org.uk)
02 Apr 2003 18:16:12 +0100


On Mer, 2003-04-02 at 18:41, Kiniger, Karl (MED) wrote:
> > On errors the next write to a bad sector will typically remap it
> > transparently to another spare block on the disk. Read obviously cannot
> > do the same. That would mean that if for example clearcase ignored the
> > I/O error and wrote back what it thought it saw but did not that it may
> > have recovered the sector with invalid data. Its also possible of course
> > clearcase actually handles I/O errors properly (which is hard).
> Since it is a raid1 I expected user space not being affected.

I didn't realise it was rai1. If it is raid1 you are right, the upper
layer will supply the data from the other drive

> (The other drive did not show any error messages since installation,
> they are Maxtors 6Y120L0 (120 GB) cooled quite well) So I thought that
> ClearCase should not have seen any error return code.

Correct

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