HCoop Git - hcoop/zz_old/ikiwiki/blob - BackupInfo.mdwn

   1 This page describes the procedure for accessing and using our off-site backups.  Only admins can do this -- if you want to get some file or directory back from the dead and are not an admin, please contact the hcoop-sysadmin list for assistance.
   2
   3 == Backups of AFS Volumes ==
   4
   5 === Getting access ===
   6
   7 {{{
   8 ssh FOO_admin@deleuze.hcoop.net
   9
  10 aklog -c megacz.com
  11 }}}
  12
  13 === Navigating the available backups ===
  14
  15 {{{
  16 cd /afs/megacz.com/hcoop-backup/
  17
  18 cd $DESIRED_BACKUP_DATE
  19 }}}
  20
  21 === Restoring the volume dump to a volume with a new name ===
  22
  23 {{{
  24 cat $VOLNAME.dump.bz2.aescrypt | \
  25   ccrypt -cdk /etc/backup-encryption-key | \
  26   bunzip2 | \
  27   vos restore deleuze /vicepa $VOLNAME.restored
  28 }}}
  29
  30 === Mounting the newly restored volume onto the filesystem ===
  31
  32 {{{
  33 fs mkm /afs/hcoop.net/.old/tmp-mount $VOLNAME.restored
  34 vos release old
  35 }}}
  36
  37 === Restoring a particular file ===
  38
  39 {{{
  40 # examine /afs/hcoop.net/.old/tmp-mount
  41 }}}
  42
  43 === Unmounting the restored volume ===
  44
  45 {{{
  46 fs rm /afs/hcoop.net/.old/tmp-mount
  47 }}}
  48
  49 === Renaming the restored volume so it takes the place of the damaged/corrupted/erased volume ===
  50
  51 Do this if you want to restore an entire volume.  This deletes the old volume and replaces it with the backup.
  52
  53 {{{
  54 vos remove $VOLNAME
  55 vos rename $VOLNAME.restored $VOLNAME
  56 }}}
  57
  58 === Removing the restored volume ===
  59
  60 If you only wanted to restore a few files from the volume, you should remove the local copy of the backup volume when done.
  61
  62 {{{
  63 vos remove -id $VOLNAME.restored
  64 }}}
  65
  66 == Database Backups ==
  67
  68 {{{
  69 cat databases.tar.bz2.aescrypt | \
  70   ccrypt -cdk /etc/backup-encryption-key | \
  71   bunzip2 | \
  72   tar -xvzf -
  73 }}}