Backups: Difference between revisions

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= Policy =  
= Policy =  
Backups are run as follows:
* Weekly starting Friday night:  /nfs/home/
* Quarterly (or on demand) on the first day of the quarter:  /nfs/db, /nfs/store
* Never: /nfs/work
* No other files are backed up routinely. If you have files elsewhere, we recommend the use of Crashplan to copy files to /nfs/home/<userid> whence they will be backed up.


We have four save packs that we rotate for /nfs/home. We set aside one of these savepacks quarterly, on the first backup of the quarter, as an offsite backup. Thus at any time there is a weekly backup made starting Friday night for the last four weeks, and a quarterly backup for the last four quarters.
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There are at least three ways to make backups: 
* a) We give you a 5TB portable drive, you keep it and write to it. Please ask for one!
* b) Use CrashPlan/rsync and/or DropBox/Sync/Box.com to create backups in the cloud.
* c) We backup /nfs/home and some other disks, as follows:


= Note =
== Monthly backups ==
At time of writing, this policy is only implemented on [[Cluster 2]].  We are currently implementing it on [[Cluster 1]] and [[Cluster 0]].  We will update this page when those two systems adhere to the stated policy. In the meantime, ask us if you have any doubts.
* Cluster 2: nfs-home:/nfs/home/ ('''/nfs/home''')
* Cluster 2: nfs-soft:/nfs/soft ('''/nfs/soft''')
* Cluster 2: wiki
* Cluster 2: selected sysadmin files (alpha, beta, config files)
 
== Most disks are never backed up ==
 
== Implicit backups ==
* we backup ZINC20 and ZINC-22 to AWS and Wynton.  
* all software is in github/gitlab and is thus backed up continuously


= Restore =  
= Restore =  
To have files restored from backup, please write to the [[sysadmin]]s, stating file/directory name, the approximate time of when it was created in the form you want restored and when that copy was deleted or damaged.
To have files restored from backup, please write to the [[sysadmin]]s, stating file/directory name, the approximate time of when it was created in the form you want restored and when that copy was deleted or damaged.  Better: use your own USB drive.


= See Also =  
= See Also =  
* [Disk space policy]
* [[Disk space policy]]
 
 


Return to [[:Category:Sysadmin | system administrator's guide]].
[[Category:Sysadmin]]
[[Category:Internal]]
[[Category:Internal]]
[[Category:Sysadmin]]
[[Category:Policy]]

Latest revision as of 23:07, 24 May 2024

Policy

There are at least three ways to make backups:

  • a) We give you a 5TB portable drive, you keep it and write to it. Please ask for one!
  • b) Use CrashPlan/rsync and/or DropBox/Sync/Box.com to create backups in the cloud.
  • c) We backup /nfs/home and some other disks, as follows:

Monthly backups

  • Cluster 2: nfs-home:/nfs/home/ (/nfs/home)
  • Cluster 2: nfs-soft:/nfs/soft (/nfs/soft)
  • Cluster 2: wiki
  • Cluster 2: selected sysadmin files (alpha, beta, config files)

Most disks are never backed up

Implicit backups

  • we backup ZINC20 and ZINC-22 to AWS and Wynton.
  • all software is in github/gitlab and is thus backed up continuously

Restore

To have files restored from backup, please write to the sysadmins, stating file/directory name, the approximate time of when it was created in the form you want restored and when that copy was deleted or damaged. Better: use your own USB drive.

See Also

Return to system administrator's guide.

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