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What causes a HD to get corrupted?

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  • #1
    masameet
    Veteran Member
    • Jun 2008
    • 4487

    What causes a HD to get corrupted?

    And how can I prevent further corruption to the HD?

    Had to repair my iMac's HD last night using the start-up CD. Not sure if I lost any files. Looked at the log in Console and I have no idea what all that info there means.
    x

    "Let those find fault whose wit's so very small,
    They've need to show that they can think at all;
    Errors, like straws, upon the surface flow;
    He who would search for pearls, must dive below." -- John Dryden
    Tags: None
    • #2
      Hoologan
      CGN/CGSSA Contributor
      • Feb 2010
      • 1254
      Stop hanging out on barf
      sigpic

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        • #3
          dotalchemy
          Senior Member
          • Apr 2011
          • 958
          Posting some of the log would help.
          1928 Tula 91/30 | 1944 Izhevsk M44 | As yet unknown 91/30 and M44 - still in the box | 1976 Walther P-1
          ...Daddy, what else did you leave for me?

          "The beauty of the Second Amendment is that it will not be needed until they try to take it" - Thomas Jefferson

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            • #4
              JDay
              I need a LIFE!!
              • Nov 2008
              • 19393
              Power failure and shock are the two most common causes. The best way to handle this is to keep backups. I make an incremental image of my main system nightly. If there is a failure I'm back up and running in under an hour.
              Oppressors can tyrannize only when they achieve a standing army, an enslaved press, and a disarmed populace. -- James Madison

              The Constitution shall never be construed to authorize Congress to prevent the people of the United States, who are peaceable citizens, from keeping their own arms. -- Samuel Adams, Debates and Proceedings in the Convention of the Commonwealth of Massachusetts, 86-87 (Pearce and Hale, eds., Boston, 1850)

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                • #5
                  masameet
                  Veteran Member
                  • Jun 2008
                  • 4487
                  Originally posted by Hoologan
                  Stop hanging out on barf
                  Left it months ago.
                  x

                  "Let those find fault whose wit's so very small,
                  They've need to show that they can think at all;
                  Errors, like straws, upon the surface flow;
                  He who would search for pearls, must dive below." -- John Dryden

                    Comment

                    • #6
                      masameet
                      Veteran Member
                      • Jun 2008
                      • 4487
                      Originally posted by dotalchemy
                      Posting some of the log would help.
                      x

                      "Let those find fault whose wit's so very small,
                      They've need to show that they can think at all;
                      Errors, like straws, upon the surface flow;
                      He who would search for pearls, must dive below." -- John Dryden

                        Comment

                        • #7
                          JDay
                          I need a LIFE!!
                          • Nov 2008
                          • 19393
                          Run a SMART scan on the drive and check it for errors, it could be dying.
                          Oppressors can tyrannize only when they achieve a standing army, an enslaved press, and a disarmed populace. -- James Madison

                          The Constitution shall never be construed to authorize Congress to prevent the people of the United States, who are peaceable citizens, from keeping their own arms. -- Samuel Adams, Debates and Proceedings in the Convention of the Commonwealth of Massachusetts, 86-87 (Pearce and Hale, eds., Boston, 1850)

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                            • #8
                              Californio
                              CGN/CGSSA Contributor - Lifetime
                              CGN Contributor - Lifetime
                              • Dec 2006
                              • 4169
                              Do you have a UPS? I swear they really do help.

                              Also look for recalls, my old G5 crashed a drive, found out they had a recall on the Power Supply. Got a new drive and PS from them.
                              "The California matrix of gun control laws is among the harshest in the nation and are filled with criminal law traps for people of common intelligence who desire to obey the law." - U.S. District Judge Roger T. Benitez

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                                • #9
                                  hcbr
                                  Veteran Member
                                  • Jul 2010
                                  • 4733
                                  Hard drives are hard to "prevent" corruption, considering they are mechanical in nature, and have moving parts. All you can do is be proactive and do preventative maintenance (i.e. backup, defrag, etc.) and that's all you really can do. When a hard drive fails, it's for a number of reasons (bad sectors, error on read/write heads, non functioning motor, bad controller board)

                                  All this is unpredictable. My advise is to just make sure you have a spare drive handy and use time capsule or create a backup, and call it a day, that or if you have the money/storage , go up all the important files on the cloud.
                                  Be the change that you wish to see in the world.Mahatma Gandhi

                                  "A bullet sounds the same in every language..."
                                  ― Stewie Griffin (Family Guy Episode: Stewie Griffin: The Untold Story 2005)

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                                    • #10
                                      JDay
                                      I need a LIFE!!
                                      • Nov 2008
                                      • 19393
                                      Originally posted by hcbr
                                      My advise is to just make sure you have a spare drive handy
                                      Only problem is that it's an iMac, i.e. no user serviceable parts. Especially now that they use proprietary screws and hard drives/drive cables.

                                      http://gigaom.com/apple/imac-drives-not-meant-to-be-replaced-and-i-hate-it/
                                      Oppressors can tyrannize only when they achieve a standing army, an enslaved press, and a disarmed populace. -- James Madison

                                      The Constitution shall never be construed to authorize Congress to prevent the people of the United States, who are peaceable citizens, from keeping their own arms. -- Samuel Adams, Debates and Proceedings in the Convention of the Commonwealth of Massachusetts, 86-87 (Pearce and Hale, eds., Boston, 1850)

                                        Comment

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