> On 07/28/10 06:31 PM, James wrote:

> ...snip...snip..
>
> 
> FYI....
> 
> http://breden.org.uk/2009/05/01/home-fileserver-a-year
> -in-zfs/
> http://jmlittle.blogspot.com/2010/03/wd-caviar-green-d
> rives-and-zfs.html
> http://opensolaris.org/jive/thread.jspa?threadID=12187
> 1&tstart=0
> 
> WD Green + ZFS may not be a good mix!
> 

I had an issue with a ZFS mirror of WD 20EARS green drives + dedup on b134 as 
well.

The power supply failed in my home server (dual core AMD, 4 GB RAM desktop PC 
w/ disks + controllers stuffed in it).

zpool import never completed, even booting from a b134 CD.
I ended up putting the disks into a system with 8 GB RAM booted from CD.
It took a few days, but my pool was imported.  I was able to copy *all* my data 
(no loss!) back to the original system on other disks.

I've decided for my systems:
1) WD EARS are a bad idea
2) dedup doesn't offer enough to me (10% space in this case) if I need > 4 GB 
RAM + days to recover.  Even on a home system.
2a) some of that is certainly due to WD EARS

I'm waiting for an update to b134.  I'm sure the next release will be better 
for recovery.
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