to gmirror or to ZFS

[aurfalien]

On Jul 15, 2013, at 9:23 PM, Warren Block wrote:

> On Mon, 15 Jul 2013, aurfalien wrote:
> 
>> ... thats the question :)
>> 
>> At any rate, I'm building a rather large 100+TB NAS using ZFS.
>> 
>> However for my OS, should I also ZFS or simply gmirror as I've a dedicated pair of 256GB SSD drives for it.  I didn't ask for SSD sys drives, this system just came with em.
>> 
>> This is more of a best practices q.
> 
> ZFS has data integrity checking, gmirror has low RAM overhead.  gmirror is, at present, restricted to MBR partitioning due to metadata conflicts with GPT, so 2TB is the maximum size.
> 
> Best practices... depends on your use.  gmirror for the system leaves more RAM for ZFS.

Perfect, thanks Warren.

Just what I was looking for.

- aurf