FreeBSD 9-R amd64 - graid, should it survive 'pulling' a disk?

Alexander Motin mav at FreeBSD.org
Fri May 11 13:24:00 UTC 2012


On 11.05.2012 15:59, Karl Pielorz wrote:
>
> --On 11 May 2012 14:32 +0300 Alexander Motin <mav at FreeBSD.org> wrote:
>
>> Yes, sometimes bubble and in rare cases panic. I am working on the first
>> part right now.
>>
>>> Is the same true for reads?
>>
>> No, On read error graid repeats reading from another disk and does
>> remapping write to the original one. Error returned only if all reads
>> have failed.
>
> Ok, thanks for the explanation - if you need anything testing, do let me
> know, as it's obviously a pretty big issue for us [and probably others] :)

I've committed patch to the HEAD branch:
http://svn.freebsd.org/changeset/base/235270

It should cleanly apply to 8/9-STABLE.

-- 
Alexander Motin


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