Re: Backing up programs

From: Dany (dany_list_at_natzo.com)
Date: 12/31/03

  • Next message: Francisco Reyes: "Re: Backing up programs" 
    Date: Wed, 31 Dec 2003 13:24:07 -0500
To: Francisco Reyes <lists@natserv.com>

    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) :

    DISK 1
    /
    OS
    current
          |
          |---- user 1 current <---> UNISON with laptop/desktop...

    backup
          |
          |----- user 1 backup <---- RSYNC-BACKUP of "user 1 current",
    incremental backup

    DISK 2
    /
    backup
         |
         | ---- 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.

    Dany

    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
    >installed).
    >
    >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
    >directory.
    >
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    >

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