Re: emergency call for help: raid5 fallen apart

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Giovanni Tessore schrieb:
> [...] 
> PS.
> I see this is the 4th time in a month that poeple reports problem on
> raid5 due to the read errors during reconstruction; it looks like the
> 'corrected read errors' policy is quite a real concern.
> 

It surely is.  There are many more than 4 cases in a month, one could
earn a living from it - thank you very much harddisk producers.

What we need: setting Error Recovery Control timeouts upon assembly of
RAIDs on ATA-disks.  Then the normal disks behave like the raid-edition
disks from some vendors (i.e. Hitachi even documents on it for the
7K2000 Deskstar drives - well, only between the lines).

But this feature is pretty hard to implement - you'll have to guess and
test if a disk understands ATA.

All the best,
Stefan Hübner
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