Re: [9fans] A potentially useful venti client

[Ole-Hjalmar Kristensen <ole.hjalmar.kristensen@gmail.com>]

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Thanks for the tip about mounting with 9fs. I have used vacfs on Linux ,
though.
But why so slow? Did you import a root with lots of backup versions? It was
partly because of that I made this client which can import venti blocks
without needing to traverse a file tree over and over again.

On Tue, Dec 12, 2017 at 4:45 PM, Steven Stallion <sstallion@gmail.com>
wrote:

> Get ready to wait! It took almost a month for me to import about 30GB
> from a decommissioned file server. It was well worth the wait though -
> if you place the the resulting .vac file under /lib/vac (or
> $home/lib/vac) you can just use 9fs to mount with zero fuss.
>
> On a related note, once sources starting having issues with
> availability, I started running nightly snaps of my contrib directory
> via cron:
>
> contrib=/n/sources/contrib/$user
> 9fs sources
> @{cd $contrib && vac -a $home/lib/vac/contrib.vac .} >[2]/dev/null
>
> Now I have a dump-like history of changes I've made to my contrib
> directory without the need to connect to sources:
>
> % 9fs contrib.vac
> % lc /n/contrib
> 2015    2016    2017
>
> Cheers,
> Steve
>
> On Tue, Dec 12, 2017 at 8:07 AM, Steve Simon <steve@quintile.net> wrote:
> > printarenas is a script - it walks through all your arenas at each
> offset.
> >
> > You could craft another script that remembers the last arena and offset
> you successfully
> > transferred and only send those after that.
> >
> > I think there is a pattern where you can save the last arena,offset in
> the local
> > fossil. Then you could mount the remote venti to check that last
> arena,offset
> > that actually arrived and stuck to the disk on the remote site.
> >
> > On a similar subject I have 10 years of backups from a decomissioned
> work server
> > that I need to merge into my home venti one of these days...
> >
> > -Steve
> >
>
>

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