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 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 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.