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Re: [zfs-discuss] Can you create a degraded raidz vdev?

Subject: Re: [zfs-discuss] Can you create a degraded raidz vdev?
From: Ruben Wisniewski
Date: Thu, 14 Jun 2007 21:08:46 +0200
Hi Paul,

I think I have a smiliar problem, I have 4 disks, two empty, two full
and want to create a RAIDZ1 from these disk.

But I'm new to zfs, maybe you can explain me how do you done it, if it
runs :)

Thanks in advance :)

Greetings Cyron

> I have 6 400GB discs and want to make two RAIDZ 2/1 vdevs out of them
> (ie 2stripe 1parity).
> The problem is that 4 are in use... so I want to do something like:
>   zpool create datadump raidz c1t0d0 c1t1d0 missing
> Then move and bunch of data into datadump, to free up another two
> discs, then
>   zpool add datadump raidz c1t2d0 c1t3d0 missing
> Now move the rest of the data over, freeing the last two drives which
> I would then add as spares to let zfs complete the parity of those
> vdevs.
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