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List:       opensolaris-lvm-discuss
Subject:    Re: [lvm-discuss] Moving zfs to an iscsci equallogic LUN
From:       Sanjay Nadkarni <Sanjay.Nadkarni () sun ! com>
Date:       2008-01-15 8:59:08
Message-ID: 478C75DC.30409 () sun ! com
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This question should be directed to zfs community i.e. zfs-discuss.  

-Sanjay


Kory Wheatley wrote:
> We have a Mirror setup in ZFS that's 73GB (two internal disks on a sun fire v440).  \
> We currently are going to attach this system to an Equallogic Box, and will attach \
> an ISCSCI LUN from the  Equallogic box to the v440 of about 200gb.  The Equallogic \
> Box is configured as a Hardware Raid 50 (two hot spares for redundancy).  
> My question is what's the best approach to moving the ZFS data off the ZFS mirror \
> to this LUN, or joining this LUN to ZFS but not have a ZFS mirror setup anymore \
> because of the disk waste with the mirror setup.  Whatever the approach is the \
> current data cannot be lost, and the least downtime would help too.  I thought the \
> best approach might be to create the LUN as a 200 GB ZFS pool, and then do a ZFS \
> export from the 73GB drive and a ZFS import on the 200 GB iscsci LUN. This LUN \
> would still be setup as a RAID 50 even though its a ZFS file system so we would \
> still have some redundancy and we could eventually grow this pool.  Or would it be \
> better to go UFS on the LUN and copy the data over? 
> What would be the best approach for moving this data or configuring the disks \
> involved?  I'm open to any suggestions? 
> 
> This message posted from opensolaris.org
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