[Dirvish] Dirvish speed and security

[Leopold Palomo Avellaneda]

A Dilluns 26 Maig 2008, Keith Lofstrom va escriure:
> On Mon, May 26, 2008 at 03:31:01PM +0200, Leopold Palomo-Avellaneda wrote:
> > I'm using dirvish 1.2.1-1, from a debian etch. I have created my vaults
> > and configured and running the complete system. I have a nfs mount where
> > I put the backup. It simply works.
> >
> > Howeber, I have a very poor transfer rate. To create the init backup I
> > need two days to transfer about 90G, and some days, if we have a lot of
> > modifications, the dirvish have not finished their work, so, when we work
> > again the backup is not finished occasioning:
>
> If your data rate is low, you may want to make more, smaller images.  That
> way you can do the initialization in multiple steps.  You should also
> arrange your data to minimize the backup effort - dateext for logrotate,
> maildir instead of mbox mail storage, etc.  Lastly, if your transfer rate
> is very low, consider running backups less often than once a day.  If you
> are using smaller images, then you can run them in two sets on alternate
> days, perhaps using two different master files selected by scripts from
> cron.

Ok,

but why it's so slow? I would like to backup home and I don't want to make 
different sets. And I would like to backup once a day. There's no another way 
to do it?

> > About security, the permissions to the log file are r-r-r, so everybody
> > could read it. There's some way that I could change this mask in dirvish?
>
> Is this to prevent users from seeing other user's changes?

yes and see the name of the files?

> I keep my banks in a subdirectory accessable to root only, and unmount
> the partition they are in when I am not doing backups.  I don't want to
> make the dirvish banks accessable to general users - if something needs
> to be restored, it is best if a sysadmin does it.

Ok, I see. I should do it.

> If you want to keep the user files accessable, but not the logs, perhaps
> you can set up a wrapper shell script that chmods the bank to 700 during
> backup, chmods the log files to 400 after backup, then chmods the bank
> back to 755 at the end.

Not necessary, umount that's all.

Thanks,

Leo



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