Re: thanks md raid

[Daniel Pocock <daniel@xxxxxxxxxxxxx>]

On 10/05/12 21:49, Stan Hoeppner wrote:
> On 5/10/2012 1:54 PM, Daniel Pocock wrote:
>>
>> I'm glad my RAID1 worked as expected... just hoping I don't encounter
>> any read timeouts on the non-TLER drive before my rebuild finishes:
> 
> You have an inverse understanding of ERC.  Drives without ERC will retry
> forever, or until an upper layer puts a stop to its efforts.  Drives
> with a 7 second ERC will return a hard error after 7 seconds.
> 
> So the only way you'll get a timeout with your rebuild is if the healthy
> drive spends 30 seconds retying a sector read.
> 

I was thinking about the more obscure case - that some other URE
followed by an attempt at write access on the good drive fails and it
becomes degraded
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