Date: Sun, 12 Sep 2010 17:15:13 -0700 From: Freddie Cash <fjwcash@gmail.com> To: freebsd-fs@freebsd.org Subject: Re: FreeNAS vs OpenSolaris vs Nexenta ZFS Benchmarks Message-ID: <AANLkTi=_VVZYLjqCZ5oNSsqABWKsK-OObvxK46-_Kk17@mail.gmail.com> In-Reply-To: <201009121640.39157.josh@tcbug.org> References: <4C8D234F.40204@quip.cz> <alpine.BSF.2.00.1009122134510.52130@fledge.watson.org> <201009121640.39157.josh@tcbug.org>
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On Sun, Sep 12, 2010 at 2:40 PM, Josh Paetzel <josh@tcbug.org> wrote: > I'm a tad confused about the whole "sharing a ZFS filesystem over iSCSI".= =C2=A0I > thought iSCSI was used to eport LUNs that you then put a filesystem on wi= th a > client. (Everyone here probably already knows this, but thought I'd pass it along anyway.) Correct. You create ZFS volumes (zfs create -V), which appear as block devices (/dev/zvol/poolname/volumename), which are then exported via iSCSI to remote clients. The remote clients then format the iSCSI LUN any way they please, with any filesystem they want (treating it just like a normal, local harddrive). No ZFS filesystem is involved. > iSCSI on FreeBSD is fairly slow compared to other solutions, I think ther= e is > some very preliminary work to fix that going on. Using which target (iscsi-target or istgt)? Or are they both slow? --=20 Freddie Cash fjwcash@gmail.com
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