Backing up programs
dany_list at natzo.com
Wed Dec 31 10:21:55 PST 2003
On my file server I have 2 drives. I looked at RAID but it doesn't help
solving the major issue ... me, user removing files that are not
supposed to be removed so incremental backup is a plus.
On the first one there is the linux system (sorry... I promise I will
switch to fbsd) as well as data (2 directories) :
|---- user 1 current <---> UNISON with laptop/desktop...
|----- user 1 backup <---- RSYNC-BACKUP of "user 1 current",
| ---- linux backup <----- RSYNC of the file system from
the first drive excluding data
| ----- user 1 backup (2) <----- RSYNC of the user 1 backup
directory (already incremental in the first place)
I use 3 different programs :
- Unison : 2-way synchronization using rsync/ssh, multi platform
graphical interface. I can have the same files on my file server, laptop
running win2k as well as my desktop running Linux/BSD. Very convenient
especially with laptops when you can't be connected all the time.Very
fast too (only transmit diffs)
- rsync : typical rsync that will mirror the source to the destination
- rsync-backup : it's based on rsync but you get the advantage of
incremental backups so you can restore from a specific date. You can
also purge the backup by removing old stuff.
A couple of cron jobs take care of the different backups at night.
I don't know if that answers to your question but I thought that could
give you some ideas.
Francisco Reyes wrote:
>With every HD problem I loose less and less data. On my last episode I
>lost only the current day's worth of data (backup at night). However I
>realised that I also need to backup programs installed on the machine. It
>takes a long time to rebuild all packages (I had a list of ports I had
>How do others backup their programs?
>I am undecided between trying to backup the entire /usr/local and making
>packages of my critical ports and burning that to CDs.
>I also took care of all system files, but I realized that backing up all
>of /etc wasn't so helpfull if I didn't know which files I used. I also, as
>of last crash, am going to backup /usr/src since restoring all of /etc
>only makes sense with matching sources.
>The one thing I have against trying to backup all of /usr/local is that
>something like PostgreSQL may cause the backup problems whereas the
>package solution will be a one time deal and will not affect production.
>The other thing I learnt that needs to be backed up is the /usr/ports
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