Been testing Zvols, HFS+ formatted and Spotlight does seem to like them, which 
technically means, Mail, iPhoto, etc., etc., can function normally.


--
Jason Belec
Sent from my iPad

> On Feb 18, 2014, at 7:56 AM, ilove...@icloud.com wrote:
> 
> The best description of the current status of the Open ZFS port is here: 
> State of osx.zfs Dec 2013
>  
>> Can I use your script to compile and install OpenZFS
> Yes you can use the script to install it, as outlined here 
> http://zerobsd.tumblr.com/post/62586498252/os-x-with-zfs
> 
>> maybe even mount the ZEVO pools…
> Yes pool version 5000 is backwards compatible with pool version 28. It is 
> basically pool version 28 plus feature flags: 
> http://open-zfs.org/wiki/Features
> It may be a better idea to start with a fresh pool so that you can take 
> advantage of lz4 compression.
> 
> zpool create -o ashift=13 -O casesensitivity=insensitive -O compression=lz4 
> -O atime=off -O normalization=formD -f tank …
> 
> If you intend never to replace any of the disks with SSD, ashift=12.
>  
>> and expect it to be stable?
> Yes, it is pretty stable at this point. You might rarely hit a kernel panic 
> or not be able to export the pool with a forced shutdown, neither of which 
> should cause any actual harm to your data.
> 
>> I would REALLY like to have features like case insensitivity and UTF8 
>> normalization.
> Yes it has those features.
> 
>> Also it would be nice if the mounted filesystems were actually visible in 
>> volumes.
> The default is for the pool foo to mount at /foo, and a dataset foo/bar to 
> mount at /foo/bar. I explained the reason we do not use /Volumes (at least 
> not yet) here: https://github.com/zfs-osx/zfs/issues/64
> Even though foo mounts at /foo not /Volumes/foo, it will still appear as a 
> volume with a disk icon in Finder. Ditto for foo/bar, etc.
> 
>> Can I use it for my iPhoto, iTunes and general file storage?
> Yes you can use it for iPhoto, iTunes and general file storage, but do not 
> use it for an entire home directory yet.
> 
>> Can it be scanned by Spotlight?
> No Spotlight does not work yet. However, if you want Spotlight, you can use 
> either a sparsebundle or zvol. zvols are not available on ZEVO, so ZEVO users 
> are often unfamiliar with them. Here's a description of their use on Linux:
> http://zfsonlinux.org/example-zvol.html
> 
> The only difference on OS X would be that you'd want to use only -b 512 or -b 
> 4096 (our default is 4096), and an HFS+ file system.
> 
>> Thank you, if OpenZFS is not an option for everyday use then I will go for 
>> this.
> If you have independent backups, then this is primarily a question of whether 
> you value stability or new features more. If you do not have independent 
> backups, this conversation is moot because your one and only concern should 
> be creating an independent backup of all of your data. By "independent 
> backups," I mean that if every disk in your zpool is tossed in the swimming 
> pool, you still have your data because it is available somewhere entirely 
> separate from your zpool. Ideally, the backup is offsite, or you have both an 
> independent local back and an independent offsite backup.
> 
>> Thank you!
> You're welcome.
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