ZFS vs OSX Time Machine

[George Kontostanos]

I am using TM over smb on a ZFS Raidz1 pool of my fileserver with no
problems whatsoever.

NAME                          USED  AVAIL  REFER  MOUNTPOINT
tank/apple                   37.2G  82.8G  37.2G  /tank/apple

Oldest backup 14 December 2009

On Thu, Apr 28, 2011 at 9:25 PM, Chuck Swiger <cswiger at mac.com> wrote:

> On Apr 28, 2011, at 7:03 AM, Daniel O'Connor wrote:
> > Does anyone else use ZFS to store TM backups?
> >
> > I find that whenever my laptop (over wifi!) starts a TM the ZFS machine
> it's backing up to grinds to a halt.. Other systems streaming stuff over NFS
> from it also tend to stall..
> >
> > I presume that TM is doing something which causes ZFS some issues but I'm
> not sure how to find out what the real problem is let alone how to fix it..
>
>
> Caveat: Time Machine is a viable backup system, but you're outside the
> configurations which it supports.
>
> TM really wants the backup to be located on an HFS+ filesystem because it
> makes very extensive use of hard links-- including hard links to
> directories-- which are not widely supported by other Unix filesystems.
>  Even if you choose to continue using ZFS storage, please note that you'll
> obtain significantly better results by using AFP instead of NFS filesharing.
>
> Wikipedia has useful info here:
>
>  http://en.wikipedia.org/wiki/Time_Machine_%28Mac_OS%29
>  http://en.wikipedia.org/wiki/Apple_Filing_Protocol
>
> Regards,
> --
> -Chuck
>
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-- 
George Kontostanos
aisecure.net <http://www.aisecure.net>