Difference between revisions of "Category:Backups"

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The CS IT Support Group performs tape-based backups nightly of data changed on the /users (grad net) and /home (ugrad net) file systems.  We are able to restore many files for users as needed.  We can do restores during the regular work day..  (In certain instances, we can restore CS mailboxes that reside in our /var/mail directories or in your home directory.  But, these are special cases.
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==CS Provides Backup And Restore Services==
  
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If you delete a home directory file that you realize you need back, send an e-mail to [mailt:support@cs.jhu.edu support@cs.jhu.edu] with the following information:
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===Nightly Backups & File Restoration===
  
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Which network (grad or ugrad) on which you deleted the file(s)/
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:The CS IT Support Group performs nightly tape- and disk- based backups of data on:
  
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The exact path to the file(s) in question.
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:* The '''/users''' filesystem (Grad/Research Net)
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:* The '''/home'''  filesystem (Ugrad Net)
  
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When you deleted the file(s)?
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:We are able to [[BACKUPS_-_Requesting_Restoration_of_a_Deleted_File | restore]] many files for users as needed.
  
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The last time (approx date and time please) that you recall the file was in-tact. We will search our backups for the files prior to that time (which may be similar to the answer above.)
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===[https://support.cs.jhu.edu/wiki/Self-Service_File_Recovery Self-Service File Recovery] For ''Grad/Research Net'' and ''Ugrad Net'' Users===
  
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We will respond back with any further questions or when your restore is complete.  Sometimes, we may choose not to overwrite an existing file in your directory.  In those cases, the restored file will have a .R suffix appended to its filename.
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:In addition to our tape & disk-based backups, we also perform special automatic ''online'' backups of the <code>/users</code> filesystem on the ''Grad/Research Net'' and on the <code>/home</code> filesystem on the ''Ugrad Net''  that allows ''[[Self-Service File Recovery]]'' in many cases, so you don't need to wait for us to do certain file restores.
  
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===Restoring CS Email Inboxes===
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:Email ''folders'' are typically kept in the user's home directory, so they are treated just like any other folders to be restored.  Email ''inboxes'', however, are different, as they reside in a different location on our server.
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:In certain instances, we can restore CS e-mail inboxes that reside on our CS email servers back into the systems' '''/var/spool/mail (/var/mail)''' directories or into your home directory.  We back up these mail spools daily, and if requested, we'll restore the most recent version of the spool that we can.
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:Please email [mailto:support@cs.jhu.edu support@cs.jhu.edu] with details on what you need restored to your inbox.  We typically do not restore individual messages, but rather, whole inboxes.)
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<br>
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'''NOTE:''' We only handle file restore requests during the regular M-F 8:30 to 5pm work day.
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[[Category:All]]
 
[[Category:All]]

Latest revision as of 20:52, 22 September 2023

CS Provides Backup And Restore Services

Nightly Backups & File Restoration

The CS IT Support Group performs nightly tape- and disk- based backups of data on:
  • The /users filesystem (Grad/Research Net)
  • The /home filesystem (Ugrad Net)
We are able to restore many files for users as needed.

Self-Service File Recovery For Grad/Research Net and Ugrad Net Users

In addition to our tape & disk-based backups, we also perform special automatic online backups of the /users filesystem on the Grad/Research Net and on the /home filesystem on the Ugrad Net that allows Self-Service File Recovery in many cases, so you don't need to wait for us to do certain file restores.

Restoring CS Email Inboxes

Email folders are typically kept in the user's home directory, so they are treated just like any other folders to be restored. Email inboxes, however, are different, as they reside in a different location on our server.
In certain instances, we can restore CS e-mail inboxes that reside on our CS email servers back into the systems' /var/spool/mail (/var/mail) directories or into your home directory. We back up these mail spools daily, and if requested, we'll restore the most recent version of the spool that we can.
Please email support@cs.jhu.edu with details on what you need restored to your inbox. We typically do not restore individual messages, but rather, whole inboxes.)



NOTE: We only handle file restore requests during the regular M-F 8:30 to 5pm work day.