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Re: [Bacula-users] Encrypion & compression during transmission from remote site
2008-09-08 05:23:40
Hi,
There is away of doing this economically with rsync over ssh (use keys).
I know you don't want to use ssh, but it really isn't that hard.
You need lots of storage on your server, essentially you have a local
copy of their data, and invoke bacula on that.
The trick is to manipulate file names.
Suppose your remote backup is 1Gb of the form mysql-YYYY-MM-DD.sql
Copy this file to myqsl.sql and then rsync that file against the copy
on your server.
(If the filename keeps changing, rsync is just a copy and the advantage
is lost)
Then take a backup of the remote files on your server and time stamp
that.
( I use tar and put the date into the filename., then use 'find' to
delete copies older than XX days.)
You can do this by having the client run a script on your server via
ssh after performing the rsync.
Now, what you get is the enormous speed increase of rsync, the security
of ssh public keys.
And even better, ssh compresses.
You can even do this on a clients windows box using cwrsync.
It needs a little bit of shell programming to get the correct filename
and to archive your copy of his tree.
Restoring is easy since you have the latest copy uncompressed on your
server. scp or even rsync it backwards.
That how I manage my MS SQL backups.
An bacula backs up the whole shebang once or twice a week.
--John
Bill Damage wrote:
Hi, if I do a mysqldump it creates a huge text file which
compresses to 1/10 its size if zipped. What I'm wondering is if this is
needed as I'm only doing it to shorten the transmission time, IOW does
bacula compress traffic as its being transmitted automatically? Related
to this is security - is there anything in place without having to set
up ssh tunnels etc (i.e. over and above what you'd get with http/ftp
transmissions) ? Thanks.
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