I tried a home NAS with ZFS, then BTRFS. Those filesystems needs tons of RAM 
(~1 GB of RAM by TB of disk), preferably ECC.
I found it very expensive for home usage, so I wouldn't recommend it.
Recovy systems were also inexistent at the time (no btrfsck), I don't know if 
it has improved since.

I ended with LVM : cheap to implement and very easy to extend. I am very happy 
with it.


-----Message d'origine-----
De : owner-m...@openbsd.org <owner-m...@openbsd.org> De la part de Rafael 
Envoyé : vendredi 15 novembre 2019 14:35
À : Jan Betlach <jbetl...@gmail.com>
Cc : misc@openbsd.org
Objet : Re: Home NAS

My experience with ZFS (FreeNAS for the most part) is that it becomes more 
"expensive" to expand your pool after the fact (for a couple of different 
reasons, see below), but if 5TB is all you're ever going to need in this 
specific case, I think you should be fine and can take advantage of ZFS 
features like you said.

I have sources for this at home (a couple of articles and link to a forum 
thread), but these are saved on my desktop at home. Just let me know and I'll 
share them with you later.

On Thu, Nov 14, 2019, 8:27 AM Jan Betlach <jbetl...@gmail.com> wrote:

> Hi guys,
> I am setting up a home NAS for five users. Total amount of data stored 
> on NAS will not exceed 5 TB.
> Clients are Macs and OpenBSD machines, so that SSHFS works fine from 
> both (no need for NFS or Samba).
> I am much more familiar and comfortable with OpenBSD than with FreeBSD.
> My dilema while stating the above is as follows:
> Will the OpenBSD’s UFS stable and reliable enough for intended 
> purpose? NAS will consist of just one encrypted drive, regularly 
> backed to hardware RAID encrypted two-disks drive via rsync.
> Should I byte the bullet and build the NAS on FreeBSD taking advantage 
> of ZFS, snapshots, replications, etc? Or is this an overkill?
> BTW my most important data is also backed off-site.
> Thank you in advance for your comments.
> Jan


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