Difference between revisions of "Backups"

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* Home directories (/home) are backup up daily with a 14-day retention period for file versions.
 
* Home directories (/home) are backup up daily with a 14-day retention period for file versions.
 
** You can thus possibly ask the system administrator to restore  a copy that existed in the previous 14 days.  
 
** You can thus possibly ask the system administrator to restore  a copy that existed in the previous 14 days.  
* Lustre data directories (/lustre/users) are replicated every evening. Multiple versions of files are not retained.  
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* Due to its large volume, Lustre data directories (/nlustre/users) are replicated every week from Friday evening 18h00. Multiple versions of files are not retained.  
** If you overwrite a file, it will be replicated around 19:00 that day. If you alert the system administrator before then, he may possibly be able to restore the copy from the previous day.
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** If you overwrite a file, it will be replicated during the following week. If you delete a file, it will be deleted from the replication site at replication time. If you alert the system administrator before replication happens, he *may* possibly be able to restore the copy from the previous week.
 
* Please contact the system administrator (johann.swart at up.ac.za) if restores are needed.
 
* Please contact the system administrator (johann.swart at up.ac.za) if restores are needed.

Latest revision as of 12:39, 3 September 2018

  • Home directories (/home) are backup up daily with a 14-day retention period for file versions.
    • You can thus possibly ask the system administrator to restore a copy that existed in the previous 14 days.
  • Due to its large volume, Lustre data directories (/nlustre/users) are replicated every week from Friday evening 18h00. Multiple versions of files are not retained.
    • If you overwrite a file, it will be replicated during the following week. If you delete a file, it will be deleted from the replication site at replication time. If you alert the system administrator before replication happens, he *may* possibly be able to restore the copy from the previous week.
  • Please contact the system administrator (johann.swart at up.ac.za) if restores are needed.