drdb - used in Linux HA clusters.
Greg
On Wed, 2006-01-25 at 10:17 -0800, sean.upton@xxxxxxxxxxxxx wrote:
> I'm just a lurker on this list, and have wondered this myself, so I have no
> idea if this breaks compatibility with IET, but from the little bit of
> reading I have done, you might consider RAID1/mirror over two targets
> (possible?) on high-speed LAN (synchronous == lower performance?), or
> http://sourceforge.net/projects/pratima for async (lower bandwidth or remote
> facility) connections (compatibility with IET?).
>
> I believe this is an intercepting proxy block device for all writes - passed
> synchronously to the underlying block device, and buffered for
> out-of-band/in-order transmission of same blocks written to a remote device.
>
>
> Few commercial FC/iSCSI storage devices or gateways do async replication
> themselves. Most of the commercial FC and iSCSI SAN products I've looked at
> require separately licensed host-based software that SAN vendors OEM on a
> per-box basis to do async replication - something like Pratima might be free
> equivalent?
>
> Sean
>
> > -----Original Message-----
> > From: iscsitarget-devel-admin@xxxxxxxxxxxxxxxxxxxxx
> > [mailto:iscsitarget-devel-admin@xxxxxxxxxxxxxxxxxxxxx] On
> > Behalf Of Kyle Hutson
> > Sent: Wednesday, January 25, 2006 9:16 AM
> > To: iscsitarget-devel@xxxxxxxxxxxxxxxxxxxxx
> > Subject: [Iscsitarget-devel] Data replication?
> >
> > Anybody have any slick solutions for replicating an iet
> > volume? I've seen it mentioned on some commercial iSCSI
> > feature lists (Left Hand and EqualLogic), where they
> > apparently periodically create an online block-level backup
> > to another device.
> >
> > I realize this isn't built into IET itself, but has anybody
> > found any good solutions (and no, 'dd' doesn't qualify as a
> > "good solution") for this?
> >
> >
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>
>
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