Re: How to disable RAID badblocks?

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On 10/05/2018 05:04 PM, Phil Turmel wrote:
> On 10/5/18 4:33 PM, Andrew Engelbrecht wrote:
>> Hello RAID devs,
>>
>> I read about potential bugs with RAID badblocks. How can I disable this
>> feature on my machines?
>>
>> https://raid.wiki.kernel.org/index.php/The_Badblocks_controversy
>>
>> I'll happily post a working method to that wiki.
> 
> Shut the array down, then re-assemble it with --update=no-bbl.
> 
> Phil
> 

Hello Phil,

The version 3.3 and 4.1-rc1 versions of the mdadm man page say the
following:

The no-bbl option will cause any reservation of space for a bad block
list to be removed.  If the bad block list contains entries, this will
fail, as removing the list could cause data corruption.

Is there a way to disable this feature if bad blocks are already in use,
so we could depend upon the drive itself to remap blocks internally?

Thanks! : )
Andrew

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