Douglas J Hunley <doug.hun...@gmail.com> wrote:
> 1TB drives are right on the border of switching from RAIDZ to RAIDZ2.
> You'll see people argue for both sides at this size, but the 'saner
> default' would be to use RAIDZ2. You're going to lose storage space, but
> gain an extra parity drive (think RAID6). Consumer grade hard drives are
> /going/ to fail during a resilver (Murphy's Law) and that extra parity
> drive is going to save your bacon.
The main advantage of RAIDZ2 is that you can remove one disk and the RAID is
still operative. Now you put in a bigger disk..... repeat until you replaced
all disks and you did grow your storage.
Jörg
--
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