From: Adam Luter <luterac@bellsouth.net>
To: Kourosh Ghassemieh <linux-raid@mindwaresystems.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Creating in degraded mode...
Date: Wed, 26 Feb 2003 12:11:25 -0600 [thread overview]
Message-ID: <20030226181125.GH15283@smeagol> (raw)
In-Reply-To: <5.2.0.9.0.20030226094459.056a4a08@lain.mindwaresystems.com>
Devices, was a mistake, I meant to say device. You're wanting to do
the same as Ryan. No reason it shouldn't work. Just know that RAID-5
in degraded mode can be kinda slow.
-Adam
On Wed, Feb 26, 2003 at 09:59:19AM -0800, Kourosh Ghassemieh wrote:
>
> I'm interested in this as well.
>
> Isn't a RAID-5 array with two missing drives broken?
>
> Has anyone actually tried this? I don't have any spare
> drives to play with to test.
>
> The other option is to break the RAID-1, create a new
> RAID-5 with the two drives and the third, RAID-1, drive
> as the missing drive in the RAID-5 set. Copy over the
> data from the RAID-1 drive and then add that drive back
> into the RAID-5 array and it should rebuild.
>
> Any thoughts?
>
> Regards,
>
> Kourosh
>
> At 08:57 AM 2/26/2003, Adam Luter wrote:
> >Using 'missing' for the device name for the missing devices.
> >
> >-Gryn (Adam Luter)
> >
> >On Wed, Feb 26, 2003 at 08:22:13AM -0800, rmack@mackman.net wrote:
> >> I currently have a 2 drive RAID-1 array. I would like to convert it into
> >> a 3 drive RAID-5 array. I'd rather avoid raidreconf because I'v never
> >> used it before. It seems to me, that I should be able to run the
> >existing
> >> RAID-1 in degraded mode (only one drive), and then copy it's contents to
> >a
> >> degraded (only two drive) RAID-5 array. The question, of course, is how
> >> do I create a RAID-5 array in degraded mode? After the copy, I would
> >then
> >> hotadd the other former RAID-1 drive into the RAID-5 and let it
> >> reconstruct the array.
> >>
> >> Any thoughts? Please reply to me directly, I'm off the list for now.
> >>
> >> Thanks, Ryan Mack
>
> -
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prev parent reply other threads:[~2003-02-26 18:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-26 16:22 Creating in degraded mode rmack
2003-02-26 16:57 ` Adam Luter
2003-02-26 17:59 ` Kourosh Ghassemieh
2003-02-26 18:11 ` Adam Luter [this message]
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