Re: iostat with raid device...

[Linux Raid Study <linuxraid.study@gmail.com>]

Hi Robin,

Thanks. So, the uneven (unequal) distribution of Wrtie/Sec numbers in
the iostat output are ok...is that correct?

Thanks.

On Sat, Apr 9, 2011 at 1:50 AM, Robin Hill <robin@robinhill.me.uk> wrote:
> On Fri Apr 08, 2011 at 05:40:46PM -0700, Linux Raid Study wrote:
>
>> What I'm not sure of is if the device is newly formatted, would raid
>> recovery happen? What else could explain difference in the first run
>> of IO benchmark?
>>
> When an array is first created, it's created in a degraded state - this
> is the simplest way to make it available to the user instantly. The
> final drive(s) are then automatically rebuilt, calculating the
> parity/data information as normal for recovering a drive.
>
> Cheers,
>    Robin
> --
>     ___
>    ( ' }     |       Robin Hill        <robin@robinhill.me.uk> |
>   / / )      | Little Jim says ....                            |
>  // !!       |      "He fallen in de water !!"                 |
>
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