[Gllug] Cheap 'real' IDE raid controller

[Huw Lynes]

On Tue, 4 May 2004 12:44:03 +0100
Doug Winter <doug at pigeonhold.com> wrote:

> On Tue 04 May Huw Lynes wrote:
> > I'd be careful of SATA RAID at the moment. All the evals we've done so far
> > have had dreadful problems. Mostly down to the fact that a lot of the SATA
> > drives don't report problems properly so that RAID controllers have a real
> > problem isolating the host from hardware problems. e.g. a disk dies and
> > the filesystem goes off-line because the host picks up I/O errors.
> > 
> > The engineers I've spoken to say give it another twelve months for the
> > Disk manufacturers to sort out their firmware.
> 
> Out of interest, how do you simulate these kinds of disk errors?  Do you
> keep a stash of shagged disks around?
> 

we didn't simulate it. We've actually seen it happen. On two separate SATA
RAID units. Borderline disks will reliably fail the moment they receive
production data.


-- 
| Huw Lynes               | The Moving Picture Company  |
| System Administrator    | 127 Wardour Street          |
|.........................| London, W1F 0NL             | 


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