Re: RAID6 and crashes (reporting back re. --bitmap)

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On Fri, 11 Jun 2010 00:31:57 -0400
"Graham Mitchell" <gmitch@xxxxxxxxxxx> wrote:

> Can you do this on a live array, or can it only be done (as the docs seem to
> suggest), with the create, build and grow options?
> 

As 'grow' can (and must) be used on a live array you're question doesn't
exactly make sense.
Yes: it can be done on a live array.

NeilBrown

> 
> G
> 
> > -----Original Message-----
> > From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid-
> > owner@xxxxxxxxxxxxxxx] On Behalf Of Roman Mamedov
> > Sent: Thursday, June 10, 2010 10:51 PM
> > To: Miles Fidelman
> > Cc: linux-raid@xxxxxxxxxxxxxxx
> > Subject: Re: RAID6 and crashes (reporting back re. --bitmap)
> > 
> > On Thu, 10 Jun 2010 18:40:11 -0400
> > Miles Fidelman <mfidelman@xxxxxxxxxxxxxxxx> wrote:
> > 
> > > Yes... went with internal.
> > >
> > > I'll keep an eye on write performance.  Do you happen to know, off
> > > hand, a magic incantation to change the bitmap-chunk size? (Do I need
> > > to remove the bitmap I just set up and reinstall one with the larger
> > > chunk
> > > size?)
> > 
> > Remove (--bitmap=none) then add again with new --bitmap-chunk.
> > 
> > --
> > With respect,
> > Roman
> 
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