A tool for remapping bad sectors in CURRENT?

Svein Skogen (Listmail Account) svein-listmail at stillbilde.net
Thu Mar 11 15:24:07 UTC 2010


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On 11.03.2010 16:21, Dag-Erling Smørgrav wrote:
> Miroslav Lachman <000.fbsd at quip.cz> writes:
>> Yes, rewriting by dd or any other way works for reallocating or
>> clearing pending sectors counter, but in server environment
> 
> In a server environment, you'd be a fool not to have some sort of
> redundancy set up.
> 
>> I need to know the affected file, as it can be for example database
>> file and then it is a big problem! Rewriting the sector inside InnoDB
>> ib_data file can cause DB crash, data loss etc.
> 
> How is that different from *not* rewriting the sector?  If there's a bad
> sector somewhere in your data, your database is still going to crash.

Only if he hasn't listened to your first advice and set it up on a
non-redundant IO solution. If he's set it up on proper hardware, he'll
just get a friendly mail about replacing said disk next time he's in the
serverroom with a new fresh hostpare.

//Svein

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