Hi: (Warning, new zfs user question)
I am setting up an X4500 for our small engineering site file server.
It's mostly for builds, images, doc archives, certain workspace
archives, misc
data.
I'd like a trade off between space and safety of data. I have not set
up a large
ZFS system before, and have only played with simple raidz2 with 7 disks.
After reading
"http://blogs.sun.com/relling/entry/raid_recommendations_space_vs_mttdl"
I am leaning toward a RAID-Z2 config with spares, for approx 15
terabytes, but I
do not yet understand the nomenclature and exact config details.
For example, the graph/chart shows that 7+2 RAID-Z2 with spares would
be a good
balance in capacity and data safety, but I do not know what to do with
that number, how
it maps to an actual setup? Does that type of config also provide a
balance between
performance and data safety?
Can someone provide an actual example of how the config should look?
If I save two disks for the boot, how do the other 46 disks get configured
between spares and zfs groups?
Thanks,
Neal
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