Anantha N. Srirama writes:
> Agreed, I guess I didn't articulate my point/thought very well. The
> best config is to present JBoDs and let ZFS provide the data
> protection. This has been a very stimulating conversation thread; it
> is shedding new light into how to best use ZFS.
>
>
I would say:
To enable the unique ZFS feature of self-healing
ZFS must be allowed to manage a level of
redundancy: mirroring or Raid-z.
The type of LUNs (JBOD/Raid-*/iscsi) used is not
relevant in this statement.
Now, if one also relies on ZFS to reconstruct data in the
face of disk failures (as opposed to storage based
reconstruction), better make sure that single/double disk
failures do not bring down multiple LUNS at once. So better
protection is achieved by configuring LUNS that maps to
seggregated sets of physical things (disks & controllers).
-r
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