Date creation changed for 1969-12-31

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  • Last Post 15 April 2016
julien cohen-adad posted this 13 April 2016

Hi,

I run an OSX server with Yosemite.  I keep seeing my files changing creation and modification dates to 1969-12-31. This is highly problematic.

Thanks,

Julien

R P posted this 15 April 2016

Hi Julien,

1969-12-31 is what you will see if the OS X clock gets zeroed out. This is usually the desult of a dead or dying PRAM battery, the PRAM is where the time information is stored.

The Pegasus does not have a real-time clock and it does not set file timestamps. The Pegasus appears as block-level storage to OS X, and OS X does all file management, including setting timestamps.

So it would look like your MAC may have a dead or dying PRAM battery.

These batteries are usually user replaceable, but the details of replacement depend on which MAC you have. The Apple forums may be of help here.

Regards,

Rich

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