[zfs-discuss] ZFS on RAID-5 array

Gordan Bobic gordan.bobic at gmail.com
Thu Apr 12 15:34:46 EDT 2018

On Thu, Apr 12, 2018 at 8:31 PM, Alex Chekholko <alex at calicolabs.com> wrote:

> "Can you illustrate a specific case where ZFS on RAID5 will yield better
> performance than RAIDZ of same geometry, that is NOT dependent on ensuring
> good alignment as per what I described?"
> Yeah, in the case where you are provided LUNs you don't control and can't
> run your own disks :)  I've run ZFS on systems where the storage was
> provisioned off some enterprise SAN and buying whiteboxes was not an option.

Except that isn't an answer to the specific question that I asked.

> Even if the OP controls their FC array, it may not have an option to
> present each disk separately. And buying new hardware may not be an option.

The OP was asking for pros and cons, which implies that he has a choice.
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