Christopher wrote:
> Kent - I see your point and it's a good one and, but for me, I only want a
> big fileserver with redundancy for my music collection, movie collection and
> pictures etc. I would of course make a backup of the most important data as
> well from time to time.
>
Chris,
We have two things in common - I'm also a n00b (only started looking at
ZFS seriously in June) and I'm also building a home server for my
music/movies/pictures and all the other data in my house. For me,
maximizing space and resiliency are more important that performance (as
even entry-level performance exceeds my worst-case of 7 simultaneous
1080p video streams). I decided to get a 24-bay case and will start
with a single 4+2 set, and will stripe-in the remaining three 4+2 sets
over time. The reason I chose this approach over having a bunch of
2-disk mirrors striped is because similar calculations resulted in the
following:
- 11 * (2-disk mirror): space=11 TB, mttdl=69 years, iops=1738 (2
hot-spares not inc in mttdl calc)
- 4 * (4+2 raidz2 set): space=16 TB, mttdl=8673.5 years, iops=316
So you see, I get more space and resiliency, but not as good perfomance
(though it exceeds my needs)
Thanks,
Kent
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