I ran back through my old notes. Turns out I inflated the numbers a
bit - it was about a week rather than a month. I suspect the main
culprit is the fact that 9p doesn't support multiple outstanding. I
wasn't in much of a hurry at the time, so I'm sure there are more
efficient ways than simply firing up cwfs and using vac -s.
On Tue, Dec 12, 2017 at 12:42 PM, Ole-Hjalmar Kristensen
<ole.hjalmar.kristen...@gmail.com> wrote:
> 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 <sstall...@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 <st...@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
>> >
>>
>
