Date: Tue, 3 May 2011 23:41:09 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable List <freebsd-stable@freebsd.org> Subject: Re: ZFS vs OSX Time Machine Message-ID: <6B48340C-9A34-41BC-A332-4D0D703E660F@gsoft.com.au> In-Reply-To: <20110429010829.GA36744@icarus.home.lan> References: <537A8F4F-A302-40F9-92DF-403388D99B4B@gsoft.com.au> <20110428195601.GA31807@icarus.home.lan> <AF725CFF-86A4-4D65-A26E-496F6B9BD33E@gsoft.com.au> <20110429010829.GA36744@icarus.home.lan>
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On 29/04/2011, at 10:38, Jeremy Chadwick wrote: >> The OSX box is connected via an Airport Express (11n). >=20 > Can you connect something to it via Ethernet and attempt an FTP = transfer > (both PUT (store on server) and GET (retrieve from server)) from a > client on the wired network? Make sure whatever you're PUT'ing and > GET'ing are using the ZFS filesystem. Don't forget "binary" mode too. I tried dd'ing /dev/zero over SMB and got 40MB/sec (although I'm not = using AIO yet..) FTP'ing a 300 MB file averages 60-70MB/sec (the speed of my laptop HD) ttcp between the hosts hits wire speed (100MB/sec) >> OK. I don't think TM can use CIFS, I will try ISCSI as someone else = suggested, perhaps it will help. >=20 > Be aware there are all sorts of caveats/complexities with iSCSI on > FreeBSD. There are past threads on -stable and -fs talking about them > in great detail. I personally wouldn't go this route. >=20 > Why can't OS X use CIFS? It has the ability to mount a SMB = filesystem, > right? Is there some reason you can't mount that, then tell TM to = write > its backups to /mountedcifs? It looks like I had a dodgy disk which was being tickled by the time = machine backup (eg dodgy sector where the backup was located) so I have = been chasing a ghost :) However, thanks to everyone for your helpful suggestions! I still haven't tried iSCSI, given I can't do a bare metal restore from = it it doesn't seem worth it (also I don't have the time..) -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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