Your hope is my hope, but there isn't a lot of runtime on ZFS as yet.  I 
recommend a SSD and copies=2. 

> On Aug 5, 2017, at 8:07 AM, Jim Pingle <li...@pingle.org> wrote:
> 
>> On 8/5/2017 8:59 AM, Arthur Wiebe wrote:
>> This is more out of curiosity to verify that I'm correct, with pfSense 2.4
>> using ZFS will that solve the issue where an SG appliance will stop booting
>> because of a corrupt filesystem and require a reinstall?
>> 
>> I've had too many cases where for whatever reason a box was shutdown
>> improperly (could be the client unplugging it for example) and the system
>> became corrupt and worked fine after re-installing the OS.
>> 
>> I'm hoping that ZFS with it's data integrity and rollback features will
>> solve this issue.
>> 
>> Am I right? And if so we should consider re-installing existing
>> installations with pfSense 2.4 so that it installs using ZFS?
> 
> ZFS is self-healing and though we have not been able to reproduce the
> corruption issues seen by some with UFS, all evidence points to ZFS not
> being susceptible to those problems.
> 
> ZFS does have increased RAM requirements so you have to be mindful of
> RAM usage and enabled features so that you don't run yourself out of
> memory. On systems with 4GB or RAM of more, it should be safe to use. It
> also requires a 64-bit OS, but any of the SG devices would be 64-bit so
> that shouldn't be a concern.
> 
> Jim
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