??? It's trivial to interrupt and resume a ZFS send, full or incremental. It's a stream like any other. Just suspend the sending process.
Job control in the shell works, but for production use I'd suggest writing a small program pair to do this over a socket interface. That would provide a nice framework for implementing flow control based on system loads and avoid any issues on the receiving end w/ timeouts in a remote shell. Have Fun! Reg --- On Tue, 3/29/11, Roy Sigurd Karlsbakk <[email protected]> wrote: > From: Roy Sigurd Karlsbakk <[email protected]> > Subject: Re: [OpenIndiana-discuss] [zfs-discuss] zfs incremental send? > To: "Peter Jeremy" <[email protected]> > Cc: "ZFS Discussions" <[email protected]>, "Discussion list for > OpenIndiana" <[email protected]>, "Illumos Developers" > <[email protected]> > Date: Tuesday, March 29, 2011, 5:10 AM > ----- Original Message ----- > > On 2011-Mar-29 02:19:30 +0800, Roy Sigurd Karlsbakk > > <[email protected]> > wrote: > > >Is it (or will it) be possible to do a > partial/resumable zfs > > >send/receive? If having 30TB of data and only a > gigabit link, such > > >transfers takes a while, and if interrupted, will > require a > > >re-transmit of all the data. > > > > zfs send/receive works on snapshots: The smallest > chunk of data that > > can be sent/received is the delta between two > snapshots. There's no > > way to do a partial delta - defining the endpoint of a > partial > > transfer or the starting point for resumption is > effectively a > > snapshot. > > I know that's how it works, I'm merely pointing out that > changing this to something resumable would be rather nice, > since an initial transfer or 30 or 300 terabytes may easily > be interrupted. > > Vennlige hilsener / Best regards > > roy > -- > Roy Sigurd Karlsbakk > (+47) 97542685 > [email protected] > http://blogg.karlsbakk.net/ > -- > I all pedagogikk er det essensielt at pensum presenteres > intelligibelt. Det er et elementært imperativ for alle > pedagoger å unngå eksessiv anvendelse av idiomer med > fremmed opprinnelse. I de fleste tilfeller eksisterer > adekvate og relevante synonymer på norsk. > > _______________________________________________ > OpenIndiana-discuss mailing list > [email protected] > http://openindiana.org/mailman/listinfo/openindiana-discuss > _______________________________________________ OpenIndiana-discuss mailing list [email protected] http://openindiana.org/mailman/listinfo/openindiana-discuss
