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Forums Storage & Archiving How do you sync your backups?

  • How do you sync your backups?

  • Simon Blackledge

    August 7, 2012 at 7:14 am

    How often do you all back your server/projects up ?Whats everyone using ?

    Do most people have 2 servers incase one falls over ?

    Currently I’m syncing server A with server B every hour.

    Just wondered what everyone else tend to do.


  • Bob Zelin

    August 12, 2012 at 2:22 pm

    Simon –
    you have too much time on your hands. Your server will not fail.
    Since I have been doing these shared storage systems since April 2008, I have seen one server boot drive fail. However, the large media RAID Arrays fail constantly. Drive failures in these RAIDs are constantly failing. Most people cannot afford a redundant large drive array. And for those that can afford it, I have found that these very large drive arrays can become corrupt, so doing an automatic backup is just as risky. I advise people to do a manual test (like with Apple Disk Utility Repair Disk) to make sure that there is no corruption on the array. And then use one of countless programs like Super Duper, Carbon Copy Cloner, Chronosync, Retrospect, etc. to create the clone.

    But since most people cannot afford a redundant drive array, I recommend alternatives, which can be anything from LTO (I like Cache-A) to small SATA or FW drives to backup individual projects.

    But as for the server itself failing – not likely.

    Bob Zelin

  • Simon Blackledge

    August 14, 2012 at 6:46 am

    Haha.. nice reply.. unfortunately.. as you know.. shit fails 😉

    And my time.. which I have little of.. is $$$

    Servers have failed in the past… the issue was a blown gfx card..

    As for costs.. time taken restoring to server – well.. actually going out and getting another or building as you don’t have a backup server! from tape..

    Vs Switching all machines pointing at one IP to another and bam.. up n running..

    = cheaper than loosing work + time.

    I understand when your talking 500TB etc.. but when were looking at 48TB its doable..

    Seriously.. you’d have ONE copy ? and a copy on tape? One! ..

    I use Chronosync that syncs the servers every other hour
    Plus all setups and scripts sync to dropbox every 30 mins
    This is not the whole array.. its a sync per live project.

    When you talk of corruption.. what have you seen? 16TB arrays? 48 ? syncing the whole thing ?
    Never had it on ours.

    Never been able to run ADU on external raids.. well atto hba ones.. always chucks an error..

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