Re: Are linux-fs's drive-fault-tolerant by concept?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sat Apr 19 2003 - 16:57:33 EST


On Sad, 2003-04-19 at 19:41, Dr. David Alan Gilbert wrote:
> 2) I don't think all drives are set to remap sectors by default.

I don't know any that do not remap on write if needed.

> 3) I don't believe that all drivers recover neatly from a drive error.

For IDE we have some issues with ATA6 drives in certain cases at least.

> 2) A disc exerciser - something that I can use to see if this drive,
> connected to this controller, on this motherboard on this kernel
> actually works and keeps its data safe before I put it into live
> service.

SMART supports some of this. Andre also has some disk stress testing
tools

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