Re: [MLUG] change chunk size on an active md raid5 array?

["shawn parker" <EMAIL:PROTECTED>]

i think i could do 'mdadm --grow -c 128' but, i don't know for sure. i
can't seem to find anything via google about changing chunk-size on an
active array...

i have one spare at home. the case only has enough room for the 4
drives i have in stalled. i have a single 120gig drive running the os
and the 80gig raid5 for /home.

that's a good price...i may pick up another.

On 3/12/07, George Robb <EMAIL:PROTECTED> wrote:
> --chunk=128 seems to be a command that issued at creation time...
> Just 160 Gb, have a spare drive laying around for a rebuild?   Or for
> 50$ http://www.newegg.com/Product/Product.asp?Item=N82E16822152020
> Then use it as a backup solution... ;)
>
> Hope this helps,
>
> George
>
>
> On Mar 12, 2007, at 12:34 PM, shawn parker wrote:
>
> > i have a linux server running 3 80gig ata drives in a md (linux
> > software) raid5 array. when i created it via the debian installer it
> > defaulted to 64KiB.
> >
> > is it possible, via mdadm to change this without destroying and
> > recreating the array?
> >
> > it should be fine for performance as this is just a home lamp box, but
> > i would like to set it at 128KiB is possible.
> >
> > i'm reading over the md and mdadm man pages but it doesn't say
> > anything about altering an existing array.
> >
> > thanks.
> >
> > --
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