Date: Thu, 30 Dec 2010 12:40:00 +0100 From: Damien Fleuriot <ml@my.gd> To: freebsd-stable@freebsd.org Subject: ZFS - moving from a zraid1 to zraid2 pool with 1.5tb disks Message-ID: <4D1C6F90.3080206@my.gd>
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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
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