On Sat, Apr 11, 2009 at 11:51:41AM +0100, Alan Chandler wrote: > On Saturday 11 April 2009, Tapani Tarvainen wrote: > > On Sat, Apr 11, 2009 at 11:28:35AM +0100, Alan Chandler > (a...@chandlerfamily.org.uk) wrote:> > I am currently planning my next > upgrades - my desktop machine has > > > run out of disk space, my server is getting old and has also almost > > > run out of disk space so I need to plan an upgrade path for that > > > too. I think raid 1 will allow me to "fail" one disk, and then > > > replace it with a larger one, then "fail" the other add replace > > > that too. > > > > That'll work, but leaves you vulnerable to disk failure during the > > transition. If you can temporarily connect the new disks (or just one
only if you are using the parition whilst it is remirroring, if you are
not you still have the original drive that yuo have taken out of the
mirror !
> > of them at a time) simultaneously with old ones, it'd be safer to
> > extend the raid1 into 3-way mirror first, then reduce it back to
> > 2-way leaving one of the old ones out, and doing that again for
> > the second new disk.
> >
>
> Thanks for that - not thought about it before, mainly because my desktop
> chassis only holds two disks. But for a short while I could probably
> cope with a third in an external chassis that I have.
--
"Part of the facts is understanding we have a problem, and part of the facts is
what you're going to do about it."
- George W. Bush
04/15/2005
Kirtland, OH
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