Backups: Difference between revisions

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Backups are run as follows:
= Policy =


* Weekly starting Friday night:  /nfs/home/
{{TOCright}}
* Quarterly (or on demand) on the first day of the quarter:  /nfs/db, /nfs/store
There are at least three ways to make backups:   
* Never: /nfs/work
* a) We give you a 5TB portable drive, you keep it and write to it. Please ask for one!
* 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.
* 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:


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.
== 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)


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.
== 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 [[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 =
* [[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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