input/howto/backup.creole

   1 = Debian backup =
   2
   3 backuphost.debian.org alias backup.debian.org is Debian's backup machine.
   4
   5 == Backup organisation ==
   6
   7 {{{/srv/backup.debian.org}}} contains two directories, {{{staging}}} and
   8 {{{backup}}}.  The latter contains the backup and is organised in directories
   9 with date directories that contain all the files from that particular day.  The
  10 number of kept copies is configured in files in {{{/etc/da-backup-manager/}}}.
  11
  12 The {{{/staging/}}} directory is used by the clients, i.e. the .debian.org
  13 hosts that have something valuable to backup.  The contents of the particular
  14 directories is pushed from root to root@backup.debian.org via rsync via a
  15 restricted SSH session based on key-authentication.
  16
  17 Directories:
  18
  19 {{{
  20   /srv/backup.debian.org/staging/
  21                                  wiki.debian.org
  22                                  cvs.debian.org
  23                                  ...
  24
  25   /srv/backup.debian.org/backup/
  26                                wiki.debian.org/
  27                                                20050909
  28                                                20050910
  29                                                20050911
  30                                                ...
  31                                cvs.debian.org/
  32                                               20050909
  33                                               20050910
  34                                               20050911
  35                                               ...
  36                                  ...
  37 }}}
  38
  39 == Adding new backup directories ==
  40
  41 * install da-backup on the client
  42 * create a crontab that runs da-backup daily at some convenient time
  43 * configure the directories in {{{/etc/da-backup}}}
  44 * configure how many copies of the directory should be kept in
  45   backuphost's {{{/etc/da-backup-manager/}}}
  46 * run {{{da-backup -v}}} on the client to see if it all works.
  47
  48
  49 * Backup items should be called {{{<host>/<directory>}}}.
  50   Historically we also used {{{services/<servicename>}}}.
  51
  52 == Consistency checks ==
  53
  54 * Run {{{sudo -u nagios /usr/lib/nagios/plugins/dsa-check-dabackup-server}}}
  55
  56 == Restoring specific files ==
  57
  58 * Login to the bacula director {{{dinis.debian.org}}}
  59 * run {{{sudo bconsole}}}
  60 * Use the {{{restore}}} command
  61 * Choose "find the job ids of the most recent backup for a client" (9)
  62 * Choose the server
  63 * Choose "enter a list of directories to restore for found job ids" (11)
  64 * Login to the server
  65 * Look at the files in {{{/var/tmp/bacula-restores/}}}
  66 * Clean up the files in {{{/var/tmp/bacula-restores/}}}