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Differences between revisions 3 and 19 (spanning 16 versions)
⇤ ← Revision 3 as of 2007-08-27 15:23:22 →
Size: 806
Editor: MichaelOlson
Comment: Refactor into separate sections
← Revision 19 as of 2008-11-11 03:27:37 → ⇥
Size: 1995
Editor: MichaelOlson
Comment: Document backup-manager
Deletions are marked like this. Additions are marked like this.
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This page describes the procedure for accessing and using our off-site backups. 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.
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== Getting access == <<TableOfContents>>

== Backups of AFS Volumes ==

=== Navigating the available backups ===

Using backup-manager:
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ssh FOO_admin@deleuze.hcoop.net

aklog -c megacz.com		 backup-manager list
backup-manager list YYYY.MM.DD
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== Navigating the available backups == === Retrieving a backup ===

Using backup-manager:
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cd /afs/megacz.com/hcoop-backup/

cd $DESIRED_BACKUP_DATE		 backup-manager get YYYY.MM.DD $VOLNAME.dump.gz.aescrypt
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== Mounting a backup volume == === Restoring the volume dump to a volume with a new name ===

Using backup-manager:
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cat $VOLNAME.dump.bz2.aescrypt | \
  ccrypt -cdk /etc/backup-encryption-key | \
  bunzip2 | \
  vos restore deleuze /vicepa $VOLNAME.restored

fs mkm /afs/hcoop.net/.../tmp-mount $VOLNAME.restored		 backup-manager restore YYYY.MM.DD VOLNAME.dump.gz.aescrypt $VOLNAME.restored
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== Restoring a particular file == Manually:
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# examine /afs/hcoop.net/.../tmp-mount cat /vicepa/hcoop-backups/restored/$VOLNAME.dump.gz.aescrypt | \
  ccrypt -cdk /etc/backup-encryption-key | \
  gunzip | \
  vos restore deleuze /vicepa $VOLNAME.restored
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== Unmounting the backup volume == === Mounting the newly restored volume onto the filesystem ===
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fs rm /afs/hcoop.net/.../tmp-mount fs mkm /afs/hcoop.net/.old/tmp-mount $VOLNAME.restored
vos release old
}}}

=== Restoring a particular file ===

{{{
# examine /afs/hcoop.net/.old/tmp-mount
}}}

=== Unmounting the restored volume ===

{{{
fs rm /afs/hcoop.net/.old/tmp-mount
vos release old
}}}

=== Renaming the restored volume so it takes the place of the damaged/corrupted/erased volume ===

Do this if you want to restore an entire volume. This deletes the old volume and replaces it with the backup.

{{{
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}}}
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do-singing-and-rejoicing-thing === Removing the restored volume ===

If you only wanted to restore a few files from the volume, you should remove the local copy of the backup volume when done.

{{{
vos remove -id $VOLNAME.restored
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== Database Backups ==

{{{
cd /vicepa/hcoop-backups/restored
mkdir db
cd db
cat ../databases.tar.gz.aescrypt | \
  ccrypt -cdk /etc/backup-encryption-key | \
  gunzip | \
  tar -xvzf -
}}}

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.

Contents

  1. Backups of AFS Volumes
    1. Navigating the available backups
    2. Retrieving a backup
    3. Restoring the volume dump to a volume with a new name
    4. Mounting the newly restored volume onto the filesystem
    5. Restoring a particular file
    6. Unmounting the restored volume
    7. Renaming the restored volume so it takes the place of the damaged/corrupted/erased volume
    8. Removing the restored volume
  2. Database Backups

1. Backups of AFS Volumes

Using backup-manager: 

backup-manager list
backup-manager list YYYY.MM.DD

1.2. Retrieving a backup

Using backup-manager: 

backup-manager get YYYY.MM.DD $VOLNAME.dump.gz.aescrypt

1.3. Restoring the volume dump to a volume with a new name

Using backup-manager: 

backup-manager restore YYYY.MM.DD VOLNAME.dump.gz.aescrypt $VOLNAME.restored

Manually: 

cat /vicepa/hcoop-backups/restored/$VOLNAME.dump.gz.aescrypt | \
  ccrypt -cdk /etc/backup-encryption-key | \
  gunzip | \
  vos restore deleuze /vicepa $VOLNAME.restored

1.4. Mounting the newly restored volume onto the filesystem

fs mkm /afs/hcoop.net/.old/tmp-mount $VOLNAME.restored
vos release old

1.5. Restoring a particular file

# examine /afs/hcoop.net/.old/tmp-mount

1.6. Unmounting the restored volume

fs rm /afs/hcoop.net/.old/tmp-mount
vos release old

1.7. Renaming the restored volume so it takes the place of the damaged/corrupted/erased volume

Do this if you want to restore an entire volume. This deletes the old volume and replaces it with the backup. 

vos remove $VOLNAME
vos rename $VOLNAME.restored $VOLNAME

1.8. Removing the restored volume

If you only wanted to restore a few files from the volume, you should remove the local copy of the backup volume when done. 

vos remove -id $VOLNAME.restored

2. Database Backups

cd /vicepa/hcoop-backups/restored
mkdir db
cd db
cat ../databases.tar.gz.aescrypt | \
  ccrypt -cdk /etc/backup-encryption-key | \
  gunzip | \
  tar -xvzf -

BackupInfo (last edited 2019-03-31 19:34:13 by ClintonEbadi)