Date: Thu, 30 Dec 2010 18:49:20 +0100 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-stable@freebsd.org Subject: Re: ZFS - moving from a zraid1 to zraid2 pool with 1.5tb disks Message-ID: <op.vojfsirj8527sy@212-123-145-58.ip.telfort.nl> In-Reply-To: <4D1C6F90.3080206@my.gd> References: <4D1C6F90.3080206@my.gd>
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On Thu, 30 Dec 2010 12:40:00 +0100, Damien Fleuriot <ml@my.gd> wrote: > Hello list, > > > > I currently have a ZFS zraid1 with 4x 1.5TB drives. > The system is a zfs-only FreeBSD 8.1 with zfs version 14. > > I am concerned that in the event a drive fails, I won't be able to > repair the disks in time before another actually fails. > > > > > I wish to reinstall the OS on a dedicated drive (possibly SSD, doesn't > matter, likely UFS) and dedicate the 1.5tb disks to storage only. > > I have ordered 5x new drives and would like to create a new zraid2 > mirrored pool. > > Then I plan on moving data from pool1 to pool2, removing drives from > pool1 and adding them to pool2. > > > > My questions are as follows: > > With a total of 9x 1.5TB drives, should I be using zraid3 instead of > zraid2 ? I will not be able to add any more drives so unnecessary parity > drives = less storage room. > > What are the steps for properly removing my drives from the zraid1 pool > and inserting them in the zraid2 pool ? > > > Regards, > > > dfl Make sure you have spare drives so you can swap in a new one quickly and have off-line backups in case disaster strikes. Extra backups are always nice. Disks are not the only parts which can break and damage your data. Ronald.
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