Re: setting up raid10 with more than 4 drives

["Rajesh Kumar Mallah" <mallah(dot)rajesh(at)gmail(dot)com>]

Sorry for posting and disappearing.

i am still not clear what is the best way of throwing in more
disks into the system.
does more stripes means more performance (mostly) ?
also is there any thumb rule about best stripe size ? (8k,16k,32k...)

regds
mallah



On 5/30/07, mark(at)mark(dot)mielke(dot)cc <mark(at)mark(dot)mielke(dot)cc> wrote:
> On Wed, May 30, 2007 at 08:51:45AM -0700, Luke Lonergan wrote:
> > > This is standard stuff, very well proven: try googling 'self healing zfs'.
> > The first hit on this search is a demo of ZFS detecting corruption of one of
> > the mirror pair using checksums, very cool:
> >
> > http://www.opensolaris.org/os/community/zfs/demos/selfheal/;jsessionid=52508
> > D464883F194061E341F58F4E7E1
> >
> > The bad drive is pointed out directly using the checksum and the data
> > integrity is preserved.
>
> One part is corruption. Another is ordering and consistency. ZFS represents
> both RAID-style storage *and* journal-style file system. I imagine consistency
> and ordering is handled through journalling.
>
> Cheers,
> mark
>
> --
> mark(at)mielke(dot)cc / markm(at)ncf(dot)ca / markm(at)nortel(dot)com     __________________________
> .  .  _  ._  . .   .__    .  . ._. .__ .   . . .__  | Neighbourhood Coder
> |\/| |_| |_| |/    |_     |\/|  |  |_  |   |/  |_   |
> |  | | | | \ | \   |__ .  |  | .|. |__ |__ | \ |__  | Ottawa, Ontario, Canada
>
>   One ring to rule them all, one ring to find them, one ring to bring them all
>                        and in the darkness bind them...
>
>                            http://mark.mielke.cc/
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend